United
States
|
EPA
and CARB |
EPA
and CARB Emission Standards
To Control Nonroad Exhaust Emissions of Fire Pumps and Chain Saws
Lois P. Sicking, Mechanical
Engineer
Mark Zavala, Civil Engineering Technician
Introduction
New air emission regulations for all internal combustion engines impact fire
pumps and chain saws used in wildland fire suppression. San Dimas Technology
and Development Center (SDTDC) staff assessed the impact of these regulations
and determined what equipment meets these standards. According to the Environmental
Protection Agency (EPA), small internal combustion engines contribute 5 percent
of the total manmade hydrocarbons in ground-level ozone formation, resulting
in increased pollution-related urban health problems.
In 1995 the EPA established a regulatory process to set emission standards for several categories of nonroad engines at or below 25 hp. Allowable emission levels depend on engine size and use. Phase I and II standards for emission control of nonroad engines will continue to be phased in until the year 2007. Lower emission levels will be required in later years. Under the new regulations, engines are certified for a specific application/engine. For example, a chain saw manufacturer is responsible for certifying an engine/chain saw combination. A pump manufacturer who can show a low volume in sales, however, is responsible only for using an emission-certified engine for an engine/pump head combination.
The Canadian government and manufacturers, having entered into a memorandum of understanding regarding emissions standards, also agree to comply with the emissions standards and test procedures cited in EPA regulations.
When EPA Phase I went into effect in 1997, certain size classes of fire pumps and chain saws were discontinued. Pump manufacturers halted production of several 2-cycle lightweight water pumps, such as the Shindaiwa GP25, GP45, and STIHL® minilightweight portable pumps.
This SDTDC study found that chain saw manufacturers offer a full range of chain saw/engine combinations currently certified to EPA and California Air Resources Board (CARB) standards. The pump industry has also developed commercially available pumps that use EPA- and CARB-compliant engines. In the next step of the regulatory process, as required by EPA and CARB, all commercially available pumps will include an EPA-compliant engine.
When using an EPA-compliant engine, pump manufacturers who produce fewer than 10,000 units are not required to certify pump/engine combinations, unlike chain saw manufacturers, providing there is no available EPA- and CARB-compliant pump/engine combination, as is the current situation. If a manufacturer can prove a low-volume production status, the EPA Phase I certification overrides the mandated year 2001 deadline until model year 2009. Phase II would be required in the year 2010.
EPA penalties for noncompliance include a $25,000 fine to the manufacturer for each engine sold in the United States that is not EPA compliant. Federal law requires annual product certification with the EPA by manufacturers even if the products remain unchanged from the previous year’s certification. However, after a new product has been certified, a manufacturer can carry over the certification by paying the EPA an additional $1,400 per year per engine family, providing the product still meets the standards for the new year.
Background
The Clean Air Act of 1990 directed the EPA to study, and regulate if warranted,
the contribution of nonroad internal combustion engines to urban air pollution.
Because a 1991 EPA study documented higher-than-expected emission levels across
a broad spectrum of engines and equipment, the EPA is seeking emission reductions
for the following engine types:
The EPA developed a comprehensive strategy for reducing these emissions, including creating public awareness and implementing a regulatory process. The EPA has developed public information programs to teach consumers how to prevent pollution from nonroad engines by reducing gasoline spillage and choosing clean equipment.
These programs also inform consumers that electric equipment is cleaner than equipment powered by gasoline engines. Electrically powered lawn and garden tools, for example, produce essentially no pollution from exhaust emissions or from fuel evaporation. Even electric equipment is not pollution-free, however; power plants that generate the electricity do pollute.
Nonroad
Engine Emission Control
Most nonroad or off-highway equipment and vehicles are powered by engines that
burn gasoline or diesel fuel. Pollution from these engines is from byproducts
of the combustion process/exhaust and from evaporation of the fuel itself.
Until now, because of the nonroad
engines’ relatively low overall contribution to air pollution, emission
control for these engines has not been a major design consideration. Consequently,
these engines are not as clean as highway vehicles, which have been subject
to regulatory controls for more than 20 years. Emissions from nonroad engines
contribute as much as 15 to 20 percent of pollution in cities across the United
States. Those emissions, described below, include hydrocarbons, particulate
matter, nitrogen oxides, carbon monoxide, and carbon dioxide.
Hydrocarbons (HC) are unburned or partially burned fuel molecules
that react in the atmosphere to form ground-level ozone, a major component of
smog. Some hydrocarbons are toxic and may cause cancer or other health problems.
Hydrocarbon pollution from nonroad engines also occurs as fuel evaporation when
gasoline vapors are forced out of the fuel tank (for instance, during refueling)
or when gasoline spills and evaporates.
Particulate matter is an exhaust product primarily from diesel-fueled vehicles. These microscopic airborne particles damage the respiratory system and contribute to the smoke and odor associated with diesel exhaust.
Nitrogen oxides (NOx) result from subjecting nitrogen and oxygen in the air to the high temperature and high pressure conditions in an internal combustion engine. Nitrogen oxides react with hydrocarbons in the atmosphere to form ground-level ozone. They also contribute to acid rain.
Carbon monoxide (CO) is a colorless, odorless, poisonous gas that results from incomplete fuel combustion.
Carbon dioxide (CO2) is the ultimate product from burning carbon-based fuel including gasoline. Carbon dioxide does not directly impair human health, but it is a “greenhouse gas” that contributes to the potential for global warming. As engine fuel economy declines, carbon dioxide emissions increase.
CARB
Regulations
In addition to the EPA regulations, the CARB has developed regulations in accordance
to the California Clean Air Plan. CARB Tier II regulations are currently more
stringent than EPA regulations for both handheld engines under 65 cc and nonhandheld
engines and will continue to be more stringent until 2003.
Starting in 2003, the EPA handheld standards will be more stringent than the CARB standards, depending on engine displacement. Proposed Tier III CARB regulations however are more stringent than the EPA regulations after 2005. These drafted regulations are scheduled for CARB action in December 2002.
Pumps with engine displacement of 40 cc or greater are exempt from CARB emission requirements. Chain saws over 45 cc are limited to Federal EPA control. CARB has authority over all handheld engines, except those established as farm and construction engines. CARB regulations and a preemption list appear on the CARB Web site http://www.carb.ca.gov. Click on Off-Road Mobile Source Emission Reduction Program, Small Off-Road Engines and Equipment Less Than 25 Horsepower, and formal regulatory documents page.
EPA
Regulations
EPA Phase I emission standards, referenced in 40 CFR Parts 9 and 90 of July
3, 1995, have been in effect since production model year 1997. (The most recent
version of the EPA emissions regulations is found in 40CFR90 of July 7, 2000.)
The EPA estimates that Phase I regulations will reduce hydrocarbon pollution
from engines by an average 33 percent, compared to hydrocarbons released by
unregulated engines.
EPA Phase II emission standards, which are more stringent than Phase I standards, are expected to further reduce the hydrocarbons and reduce oxides of nitrogen by an additional 59 percent beyond the reduction resulting from the current Phase I standards. EPA Phase II also changes engine classes and adds a required useful life period determination. The Phase II standards are scheduled for phasing in between 2001 and 2007. The first year of Phase II is similar to Phase I except for additional durability testing. In the second year and in subsequent years for particular models up to 6 years, the emission standards become increasingly stringent. See table 1 for emission by engine displacement and classification.
EPA
Phase I nonhandheld engine classes:
Class I—engines less than 225 cc in displacement; or
Class II—engines greater than or equal to 225 cc in displacement.
Engines powering
equipment defined as handheld:
Class III—engines less than 20 cc in displacement; or
Class IV—engines equal to or greater than 20 cc and less than 50 cc in displacement; or
Class V—engines equal to or greater than 50 cc in displacement.
Table
1–EPA and CARB emission regulations. |
||||||||
---|---|---|---|---|---|---|---|---|
Class
↓ /MY → |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
CARB
- California Air Resources Board – Tier 2 No handheld / nonhandheld
definitions |
||||||||
0
to 65 cc Classes III, IV, and V |
72
g/k W-h CO=536→ |
←
|
←
|
←
|
←
|
←
|
←
|
←
|
65
to < 225 cc Class I |
Special
agreement engines |
Special
agreement engines |
All
horizontal 16.1g/kW-hr CO=467→ |
←
|
←
|
←
|
all
vertical |
←
|
≥
225 cc Class II |
B&S
and Tecumseh TE engines |
Same
as 2000 |
All
engines 12.0g/kW-hr CO=467→ |
←
|
←
|
←
|
←
|
←
|
EPA
– Environmental Protection Agency – Phase 2 Nonhandheld classes
1, 1A, 1B, & 2 Handheld classes 3, 4, & 5
|
||||||||
<
20 cc Handheld Class III |
Phase
I
|
Phase
I
|
238
g/kW-hr CO=805→ |
175
g/kW-hr (2003) |
113
g/kW-hr |
50
g/kW-hr |
50
g/kW-hr |
50
g/kW-hr |
20
to < 50 cc HH Class IV |
196
g/kW-hr CO=805→ |
148
g/kW-hr (2003) |
99
g/kW-hr |
50
g/kW-hr |
50
g/kW-hr |
50
g/kW-hr |
||
≥
50 cc HH Class IV |
Phase
I |
Phase
I |
143
g/kW-hr CO=603→ |
119
g/kW-hr |
96
g/kW-hr |
72
g/kW-hr |
||
0
< 66 cc Class IA |
Phase
I |
50
g/kW-hr CO=610→ |
←
|
←
|
←
|
←
|
←
|
←
|
66
< 100 cc Class IB |
Phase
I |
40
g/kW-hr CO=610→ |
←
|
←
|
←
|
←
|
←
|
←
|
100
< 225 cc Class I |
Phase
I |
←
|
←
|
August
new designs 16.1g/kW-hr CO=610→ |
←
new |
←
new |
←
new |
August
all engines 16.1g/kW-hr |
≥
225 cc Class II |
Phase
I |
18
g/kW-hr CO=610→fi |
16.6
g/kW-hr |
15.0
g/kW-hr |
13.6
g/kW-hr |
12.1
g/kW-hr |
←
|
←
|
Standard
shown is HC + NOx or CO in grams/kilowatt-hour. California regulation
is written in grams/horsepower-hour; those values have been translated
to kilowatt for easy comparison with the EPA regulation.
|
||||||||
The
EPA definition of handheld remains similar in Phase II to the original
in Phase I, but Classes I-A and I-B have been added for non-handheld engines
of smaller displacement. Meanwhile California has dropped the handheld/nonhandheld
distinction and uses a simpler displacement split between classes.
|
EPA Phase II describes two new engine classes: classes I-A and I-B, in addition to classes I and II defined in Phase I. Engine classes are specified by engine displacement and by the type of equipment the engine powers—either handheld or nonhandheld. Each of the seven Phase II engine classes has a unique set of emission standards.
The EPA anticipates that implementation of Phase II standards will generate significant reductions in emissions from the seven classes of engines with small increases in cost. It estimates the average price increase for handheld equipment to be $20 for Class III, $23 for Class IV, and $56 for Class V engines. (See the March 2000 EPA fact sheet, “Final Phase 2 Standards for Small Spark-Ignition Handheld Engines,” EPA420-F-00-007.) Engine manufacturers, however, have stated that the actual cost will be significantly higher than the EPA estimates.
Certification is accomplished by full emissions testing at 0 hours and again at the hours required for the chosen category for the useful life period: for example, 300 hours. To be certified the engine must be in compliance during both tests because emissions change in relation to an engine’s wear life, sometimes significantly. It is not unusual for a 2-cycle engine to meet the standards at 0 hours and then fail at 20 hours of use.
EPA
Phase II nonhandheld engine classes are as follows:
Class I-A—engines less than 66 cc in engine displacement; or
Class I-B—engines greater than or equal to 66 cc but less than 100 cc displacement; or
Class I—engines greater than or equal to 100 cc but less than 225 cc displacement; or
Class II—engines greater than or equal to 225 cc in displacement.
EPA Phase
II handheld engine classes are as follows:
Class III—engines less than 20 cc in displacement; or
Class IV—engines equal to or greater than 20 cc and less than 50 cc in displacement; or
Class V—engines equal to or greater than 50 cc in displacement.
EPA
Phase II Useful Life Periods
EPA Phase II requires manufacturers to declare the applicable useful life category
for each engine family at the time of certification as described in 40CFR90.105.
Such shall be the category, which most closely approximates the expected useful
lives of the equipment into which the engines are anticipated to be installed
as determined by the engine manufacturer.
The next step, and as currently required by EPA and CARB regulations, is for pump manufacturers to provide only EPA- and CARB-compliant engines for pumps. To this end, manufacturers are phasing out several pump lines in the next 2 years, as indicated in appendix A.
The EPA has allowed small pumps as a category that by careful definition certify to the standard of the less-stringent handheld regulation. In 2002 that standard is 196 g of HC + NOx or CO. By contrast, the Honda engines in this category are certified below 50 g, which is the handheld requirement for 2005.
Briggs & Stratton (B&S) confirms that all engines sold by B&S in the United States are EPA and CARB compliant through model year 2002. In addition, the Vanguard Model 3504 engine used in the BB4 class pumps is EPA Phase II compliant for Class II engines for 2005 and later model years, which is the lowest standard in the Phase II regulation for Class II engines. The Vanguard Model 3504 engine meets the CARB regulations for Tier II standards applicable to 2006 and later model years.
The SDTDC has studied engines typically procured for fire suppression regarding compliance with EPA and CARB standards. Appendix A provides detailed information regarding these new pumps and current pumps. All pump performance information was provided by the manufacturer and does not imply testing or endorsement of pump performance by SDTDC laboratories. (See the EPA Website for other pumps not listed here. The EPA Website for the downloadable certification files is located at www.epa.gov/otaq/certdata.htm.)
The SDTDC collected information from manufacturers regarding when an engine meets a future-year emission requirement. This information is provided in tables 2 to 4 for pumps and table 5 for chain saws.
See table 2 and appendix A for minilightweight pump comparison, table 3 and appendix A for lightweight pump class comparison, and table 4 and appendix A for the large class pump comparison.
Table
2–Minilightweight centrifugal portable pump comparison
(less than 30 lb) |
|||||||||
---|---|---|---|---|---|---|---|---|---|
Pump
Model |
Engine
Model |
Engine
EPA- Certified through year |
Dry
Weight (lb) |
Suction
(in) |
Discharge
(in) |
Number
(cycles) |
Power
(hp) |
Displacement
(cc) |
Oil/fuel
(mix) |
Shindaiwa GP450 | Shindaiwa | No | 17.2 | 1-1/2
|
1-1/2 | 2 |
2.3 |
44 |
50:1 |
Wildfire Mini-Mark | Robin ECO4ER | No | 14.3 | 1-1/2
NPSH |
1-1/2 NPSH | 2 |
2 |
40.2 |
25:1 |
Wildfire LAP | Honda | 2005 | 13.5 | 1-1/2
NPSH |
1-1/2 NPSH | 4 |
1.5 |
31 |
NA |
Wildfire Mini-Striker | Honda GXH50 | 2005 | 20 | 1-1/2
NPSH |
1-1/2 NPSH | 4 |
2.5 |
49 |
NA |
Mercedes Textiles Wick 70-4H | Honda GX31 | 2005 | 16.8 | 1-1/2
NPSH |
1-1/2 NPSH | 4 |
1.5 |
31 |
NA |
Mercedes Textiles Wick 100 | Solo | 2001 | 16.8 | 1-1/2
NPSH |
1-1/2 NPSH | 2 |
2.3 |
40 |
24:1 |
Mercedes Textiles Wick 100-4H | Honda GXH50 | 2005 | 20.2 | 1-1/2
NPSH |
1-1/2 NPSH | 4 |
2.5 |
49 |
NA |
Table
3–Lightweight centrifugal pump (31 to 60 lb) |
||||||||
---|---|---|---|---|---|---|---|---|
Pump
Model |
Engine
Model |
Engine
EPA- Certified through year |
No.
of cycles |
Power
(hp) |
cc
(in) |
Dry
Weight (lb) |
Suction
(in) |
Discharge
(in) Displacement (cc) |
Wildfire Mark-3 | Rotax |
No |
2 |
8.5 |
185 |
55 |
1-1/2
9NH |
1-1/2
9NH |
Mercedes Textiles Wick 250 | Motorpower |
No |
2 |
8 |
134 |
31 |
1-1/2
9NH |
1-1/2
9NH |
Mercedes Textiles Wick 375 | Solo |
No |
2 |
10 |
210 |
53.5 |
1-1/2
9NH |
1-1/2
9NH |
Table
4–BB4 Class pump comparison (greater than 60 lb) Note:
The Mallory, Wildfire, and Mercedes BB4 are not on the lightweight pump
Qualified Products List at this time. |
||||||||
---|---|---|---|---|---|---|---|---|
Pump
Model |
Engine
Model |
Engine
EPA- Certified through year |
Dry
Weight (lb) |
Suction
(in) |
Discharge
(in) |
Number
(cycles) |
Power
(hp) |
Displacement
(cc) |
Mercedes Wick F200-13H | Honda GX-390 | 2005 |
117 |
2
NPSH |
1-1/2
NPSH |
4 |
13 |
389 |
Mercedes BN4200-13H | Honda GX-390 | 2005 |
123 |
2
NPSH |
1-1/2
NPSH |
4 |
13 |
389 |
Wildfire Striker II | Honda GX340K1 | 2005 |
119 |
2
NPSH |
1-1/2
NPSH |
4 |
11 |
337 |
Mallory MM4 | B&S Twin V Vanguard | 2005 |
143 |
2
NPSH |
1-1/2
NPSH |
4 |
18 |
690 |
Mallory M88 | Kohler | No |
130 |
1-1/2
9NH |
1-1/2
9 NH |
2 |
8 |
305 |
Mallory M88 | Honda | 2005 |
130 |
1-1/2
9NH |
1-1/2
9 NH |
4 |
9 |
270 |
Wildfire Ultra-striker | Honda GX390K1 | 2005 |
126 |
2
NPSH |
1-1/2
NPSH |
4 |
14/13 |
389 |
Wildfire BB4 | B&S Twin V Vanguard | 2005 |
143 |
2
NPSH |
1-1/2
NPSH |
4 |
18 |
694 |
Wildfire BB4(in development) | Honda | 2005 |
* |
2
NPSH |
1-1/2
NPSH |
4 |
20 |
* |
Mercedes Textiles Wick BN4200 | B&S Twin V Vanguard | 2005 |
137 |
2
NPSH |
1-1/2
NPSH |
4 |
18 |
694 |
Mercedes Textiles Wick BN4200-18H | Honda | 2005 |
140 |
2
NPSH |
1-1/2
NPSH |
4 |
18 |
614 |
* In development
EPA-
and CARB-Compliant Chain Saws
Chain saws used in wildland firefighting are classified as handheld equipment.
Class III saws that are less than 20 cc typically are not used in wildland firefighting.
Most chain saws are classified into class IV, with 20 to 49 cc. Some of the
larger saws are in class V, with more than 50 cc engine displacement.
The EPA divides engines into classes based on whether they are handheld or nonhandheld and on engine displacement. Classes I, I-A, I-B, and II are for nonhandheld equipment, while classes III, IV, and V are for handheld equipment.
EPA Phase II standards become effective in model year 2002 for engines in classes III and IV and model year 2004 for engines in class V. The new rules will make it difficult for chain saw compliance because of the unique operating characteristics of the saws.
The EPA requires that engine manufacturers
label all engines that are EPA compliant; or if the engine label is not readily
visible, the manufacturer should indicate compliance on the piece of equipment
itself. Because California requires that all emission-compliant engines have
an emission conformity label on the engine for engines sold in the State, some
engine labels cite compliance with both the EPA and CARB. (For a list of EPA
and CARB-certified engines used in chain saws for 2001, see table 5.)
Table
5–EPA/CARB-certified engines used in chain saws in wildland firefighting.
All engines are air cooled. |
||||||
---|---|---|---|---|---|---|
Brand |
Model |
Displacement
(cc) |
Engine
family |
EPA-Certified
through year |
Power(kW) |
Rated
speed |
Husqvarna | 136 |
36 |
1PWES.0404CS |
2002 |
1.3
kW |
8,000 |
141 |
40 |
|||||
Jonsered | 2036 |
36 |
||||
2040 |
40 |
|||||
Poulan | 2250 |
36 |
1PWES.0424CS
|
2002
|
1.42
kW |
8,000
|
2450 |
36 |
|||||
2150 |
36 |
|||||
2050 |
36 |
|||||
2075 |
36 |
|||||
1950 |
36 |
|||||
2175 |
36 |
|||||
2025 |
36 |
|||||
Craftsman | 358.350370 |
36 |
||||
358.350440 |
36 |
|||||
358.350460 |
36 |
|||||
Poulan | 2550 |
42 |
||||
2375 |
42 |
|||||
2350 |
42 |
|||||
Craftsman
|
358.350380 |
42 |
||||
358.350480 |
42 |
|||||
Poulan Pro Poulan Craftsman | 220 |
42 |
1PWES.0464CS
|
2003
|
1.68
kW |
9,000
|
260 |
42 |
|||||
2900 |
46 |
|||||
2750 |
46 |
|||||
2775 |
46 |
|||||
358.35020 |
46 |
|||||
Poulan Pro | 295 |
46 |
||||
Poulan | 3450 |
54 |
1PWES.0605CA
|
2003 |
2.4
kW |
9,000 |
Poulan Pro | 330 |
54 |
||||
Poulan | 3750 |
60 |
||||
Poulan Pro | 380 |
60 |
||||
Poulan | Patriot
1900LE |
42 |
1PWES.0424CB |
2003
|
1.3
kW |
9,000
|
1950LE |
42 |
|||||
2050LE |
42 |
|||||
2075LE |
42 |
|||||
2150LE |
42 |
|||||
2175LE |
42 |
|||||
2375LE |
42 |
|||||
Craftsman | 358.35054 |
42 |
||||
358.35056 |
42 |
|||||
358.35057 |
42 |
|||||
358.35059 |
42 |
|||||
Poulan | 2550LE |
42 |
1PWES.0424CB |
2003 |
1.34
kW |
9,000 |
Poulan Pro | 260LE |
42 |
||||
Craftsman | 358.35058 |
42 |
||||
Husqvarna | 136
Low Emission |
36 |
1PWES.036CB |
2003 |
1.34
kW |
9,000 |
ANDREAS STIHL | 1A8XS.0354RD |
35 |
1A8XS.0354RD |
2001 |
2.199
bhp |
9,000 |
ANDREAS STIHL | 1A8XS.0354RD |
1A8XS.0354RD |
2001 |
2.199
bhp |
9,000 |
|
ANDREAS STIHL | 1A8XS.0474RA |
46.5 |
1A8XS.0474RA |
2001 |
1.904bhp |
7,500 |
ANDREAS STIHL | 1A8XS.0474RA |
1A8XS.0474RA |
2001 |
1.904
bhp |
7,500 |
|
ANDREAS STIHL | 1A8XS.0494RA |
48.7 |
1A8XS.0494RA |
2001 |
2.29
kW |
9,000 |
ANDREAS STIHL | 1A8XS.0494RA |
1A8XS.0494RA |
2001 |
2.29
kW |
9,000 |
|
ANDREAS STIHL | 1A8XS.0494RA |
1A8XS.0494RA |
2001 |
2.29kW |
9,000 |
|
Echo/Kiortiz Inc. | 1EHXS.0494RB |
49.3 |
1EHXS.0494RB |
2001 |
2.24
kW |
8,500 |
Echo/Kiortiz Inc. | 1EHXS.0494RB |
1EHXS.0494RB |
2001 |
2.24
kW |
8,500 |
|
John Deere | 1H2XS.0384RA |
38 |
1H2XS.0384RA |
2001 |
2.1
bhp |
9,000 |
John Deere | 1H2XS.0454RA |
45 |
1H2XS.0454RA |
2001 |
2.64
bhp |
9,000 |
McCulloch Corp. | 1MHXS.0384AA |
37.7 |
YMHXS.0384AA |
2001 |
1.12
kW |
8,000 |
McCulloch Corp. | 1MHXS.0384AA |
YMHXS.0384AA |
2001 |
1.12
kW |
8,000 |
|
Shindaiwa | 1SWXS.029403 |
28.5 |
YSWXS.029403 |
2001 |
1.6
hp |
9,000 |
Shindaiwa | 1SWXS.036404 |
35.5 |
YSWXS.036404 |
2001 |
1.7
bhp |
7,500 |
Shindaiwa | 1SWXS.036404 |
YSWXS.036404 |
2001 |
1.7
bhp |
7,500 |
|
Shindaiwa | 1SWXS.038405 |
37.7 |
YSWXS.038405 |
2001 |
2.2
hp |
9,000 |
Shindaiwa | 1SWXS.038405 |
YSWXS.038405 |
2001 |
2.2
hp |
9,000 |
|
Shindaiwa | 1SWXS.048413 |
47.9 |
YSWXS.048413 |
2001 |
2.2
hp |
9,500 |
Shindaiwa | 1SWXS.048413 |
WSWXS.048413 |
2001 |
2.2
kW |
9,500 |
|
Shin-Daiwa Kogyo | 1SWXS.074515 |
73.5 |
XSWXS.074515 |
2003 |
4.8
hp |
9,000 |
Future
EPA and CARB Certification Information
The published list of EPA emission-certified engines by model year appears on
the Web at http://www.epa.gov/oms/equip-ld.htm
The downloadable certification files are at http://www.epa.gov/otaq/certdata.htm
and can be accessed by using Excel or FileMaker Pro software. The database is
updated quarterly.
For further information regarding
EPA compliance of engines, contact Joe Hresko or John Guy at the EPA Certification
Department by e-mail at hresko.joe@epamail.epa.gov;
or by phone at 202–564–9275 or guy.john@epamail.epa.gov,
or by phone at 202–564–9276.
Replacement Parts and Repair
Manufacturers typically will continue to provide replacement parts for 7 to
10 years in support of engines out of production and are using some of the same
parts for new product lines. For example, in 1997, Shindaiwa ceased production
of the GP45 but continues to use many of the same parts in the new Shindaiwa
GP450 (see appendix B). This information is useful to service GP45 pumps already
in the national cache system. New or rebuilt parts can be used as long as they
are the same configuration material and heat treatment as the original part.
Replacement parts used in pumps and chain saws may not be manufactured by that
specific industry. For example, a local automotive supply store may be able
to supply bearings, point’s condenser, etc, identical to the original
equipment manufacturer. Matching parts lists are available for some of the wildland
pumps. (See the publication “Manitoba’s Alternate Parts Program
for Medium Pumps,” published by the Canadian Interagency Forest Fire Center.)
Older equipment that was produced before emission regulations took effect is not required to be retrofitted with emissions equipment when brought in for servicing.
Tampering with an Emission-Certified
Engine
Tampering with an emission-certified engine may reduce the life span and performance
of the engine. Tampering, which is against the law and subject to a civil penalty/fine,
includes the following:
Some manufacturers have equipped engines with special caps or plugs that limit or prevent adjusting the fuel mixture or engine timing. Removal of these special plugs and adjustments beyond the manufacturers’ specified limits is considered tampering.
In servicing an engine that has been tampered with, the EPA encourages repair technicians to restore the engine to the original certified configuration. This is required only if the repair is specific to the tampered with component/system.
Impact
of Emission Regulations
EPA and CARB air emission regulations have pushed engine manufacturers to optimize
current engine design to develop new product lines, and to support procurement
of fire equipment for wildland fire suppression activities. Engines are available
in each class of pump and chain saw to meet EPA and CARB 2001 emission requirements.
Not all pumps, however, are driven by EPA and CARB emission-compliant engines,
as indicated in tables 2, 3, and 4. All chain saw/engine combinations listed
in table 5 have been certified to the indicated year of compliance. Within the
next 2 years, the pump industry may be limited to only emission-compliant engines
on pumps in the commercial marketplace.
To meet more stringent emission requirements, more engine manufacturers have developed or are in the process of certifying new engines for the years 2002 and beyond. The EPA estimates an increase in cost of at least $20 to $52 for each engine to implement these new regulations. Manufacturers estimate an increase in cost up to two to four times the EPA estimate, or $80 to $200 per engine.
Because chain saw engine manufacturers continue to invest resources in developing emission technology that incorporates current and scheduled future emission requirements into the core product line, limited resources are available to invest in new engine technology, such as a commercially available 4-cycle chain saw. The technology of the 4-cycle engine is important to emission reduction. Two-cycle engines are lightweight, basic in design, inexpensive to produce, powerful, and can reach high engine speeds but they have much higher emissions and smoky exhaust, as compared to 4-cycle engines. Such pollutants occur when some of the air/fuel intake mixture of the 2-cycle engine is expelled during the exhaust cycle and combustion of oil, since oil is mixed with fuel to lubricate the crankshaft, cylinder walls, and connecting rod assembly. Consequently, designing a 2-cycle engine to meet the more stringent emission requirements is a great challenge. New engine technology has focused more on lightweight, miniaturized 4-cycle engines, or “mini” 4-cycle engines, for smaller displacement chain saws and pumps.
Some chain saw manufacturers allocate resources only to class engines with the highest sales volume and plan to cease production on other engines. A prominent chain saw manufacturer expects to cease production of its Class III engines in 2003 and of its Class V engines in 2004. The company will maintain production of Class IV engines of 20 to 49 cc. Consequently, fewer product lines will be available for the consumer to choose from and sales competition will decrease.
The EPA essentially restricts manufacturers to production in the model year indicated, but allows for distribution of current inventory, regardless of the year manufactured. Provisions within the regulations prevent manufacturers from “stockpiling” inventory before ceasing production of a product line. Consequently, the consumer will be able to buy new chain saws or pumps certified to a prior year, but in limited quantity.
EPA and CARB have an “average banking and trading” emissions program in which a manufacturer is given “credits” for producing cleaner-than-required engines. Manufacturers can trade these credits for permission to produce engines that do not meet the current regulations. In this way, the EPA continues to realize an overall improvement in air quality while providing incentive to the manufacturer. The current ratio for converting credits is approximately eight clean engines to one out-of-compliance engine. Each year the ratio of clean engines will increase, with fewer out-of-compliance engines sold under the credit program. The banking and trading program, which the EPA and CARB closely monitor, allows the consumer to buy a limited number of out-of-compliance pumps or saws.
For further information, please contact the SDTDC fire program by e-mail at mailroom:wo_sdtdc@fs.fed.us or by phone at 909–599–1267.
Appendix
A
Manufacturer Provided Information on Pumps Listed in Tables 4, 5.
All pump performance information was provided by the manufacturer and does not imply testing or endorsement of pump performance by SDTDC laboratories. (See the EPA Web site for other pumps not listed here.) The EPA Web site for the downloadable certification files is located at www.epa.gov/otaq/certdata.htm
Wildfire Lightning Attack Pump (LAP) pumpOptional Equipment
Tyco-Ansul Inc. DBA Wildfire
Tyco-Wildfire
www.wildfire-equipment.com ,
Phone: 800–426–5207, Fax: 819–849–0320
![]() |
Figure A1—LAP pump configuration. |
LAP
Pump (Lighting Attack Pump) |
![]() |
Figure A2—LAP pump performance curve. |
Mercedes Textiles Wick-70-4H
![]() |
Figure A3–Wick-70-4H pump configuration. |
Mercedes Textiles
16633 Hymus Blvd., Kirkland, Quebec, Canada H9H 4R9
http://www.mercedestextiles.com,
Phone: 514–697–0817, Fax: 514–697–5297
Wildfire Mini-Mark II
According to Wildfire, the Mini-Mark II will be phased out by December 2002.
Wildfire suggests that if pressure and flow are key, replace the Mini-Mark II
with the Mini-Striker. Wildfire suggests using the LAP pump when backpacking
or when having an external fuel tank is critical.
Optional equipment
![]() |
Figure A4–Mini-Mark II pump configuration. |
Mini-Mark
II |
![]() |
Figure A5–Mini-Mark II pump performance curve. |
Mercedes Textiles Wickman-100
Standard features
Optional equipment
![]() |
Figure A6–Wickman-100 pump configuration. |
Wickman-100 |
Figure A7–Wickman-100 performance curve. |
Shindaiwa GP450
Shindaiwa discontinued the GP25 in 1996 and GP45 in 1997 in response to the
EPA Phase I emission regulations that went into effect in September 1997.
Shindaiwa has a replacement pump and engine, the GP450, with 2.3 hp. This pump is comparable to the GP45. In fact, many of the GP450 parts are interchangeable with the GP45 and GP25. Shindaiwa will market the GP450 internationally only where EPA regulations are not in effect. The manufacturer states that the GP450 engine is essentially the same as that of the GP45. However, the pump assembly is different. See appendix B for replacement parts for the GP45.
Shindaiwa GP450
Shindaiwa Inc.
11975 SW Herman Road
Tualatin, OR 97062
www.shindaiwa.com
Phone: 503–692–3070 Fax: 503– 692–6696
Mercedes Textiles Wick-100-4H
![]() |
Figure A8–Wick-100-4H pump configuration. |
Wick-100-4H |
Figure A9–Wick-100-4H pump performance curve. |
Wildfire Mini-Striker
Standard features- Foam and retardant solutions pumping capability.
Optional equipment
![]() |
Figure A10–Mini-Striker pump configuration. |
Mini-Striker |
Figure A11–Mini-Striker pump performance curve. |
Wildfire Mark 26 - Out of production since 1997. Wildfire is investigating EPA/CARB-compliant replacement engine.
Mercedes Textiles Wick-250
Optional equipment
![]() |
Figure A12–Wick-250 pump configuration. |
Wick-250 |
Figure A13–Wick-250 pump performance curve. |
Mercedes Textiles Wick-375
This portable pump is not listed on the 5100-274c lightweight pump Qualified
Products List at this time.
Standard features
Optional equipment
![]() |
Figure A14–Mini-Striker pump configuration. |
Wick-375 |
Figure A15–Mini-Striker pump performance curve. |
Wildfire Mark 3
This pump is listed on the 5100-274c lightweight pump Qualified Products List.
Standard features
Optional equipment
![]() |
Figure A16–Mark 3 pump configuration. |
Wildfire Striker II
Optional equipment
![]() |
Figure A17–Striker II pump configuration. |
Wildfire
Striker II |
Figure A18–Striker II pump performance curve. |
Mercedes Textiles- Wick-N4200-13H
![]() |
Figure A19–Wick BN4200-13H pump configuration. |
Wick BN4200-13H |
Figure A20–Wick BN4200-13H performance curve. |
Mercedes Textiles Wick F200-13H
![]() |
Figure A21–Wick F200-13H. |
Wick F200-13H |
Figure A22–Wick F200-13H pump performance curve. |
Wildfire Ultra-Striker
Optional equipment
![]() |
Figure A23–Ultra-Striker pump configuration. |
Wildfire Ultra Striker |
Figure A24–Ultra-Striker pump performance curve |
Mercedes Textiles Wick-BN4200
![]() |
Figure A25–Wick BN4200 pump configuration. |
Wick BN4200 |
Figure A26–Wick BN4200 performance curve. |
Wildfire BB4
Optional equipment
![]() |
Figure A27–BB4 pump configuration. |
Wildfire BB4 |
Figure A28–BB4 pump performance curve. |
Mercedes Textiles Wick- B4200-18H
Mallory M88 with Kohler Engine
Mallory Company
1040 Industrial Way
PO Box 2068
Longview, WA 98632
www.malloryco.com
Phone: 800–625–5679 Fax: 360–577–4244
Mallory M88 with Honda Engine
Mallory MM11 with Honda Engine
Mallory MM4 with B&S Engine
Mallory MM4 with Honda Engine
Mallory M90 with B&S Engine
Mallory M90 with Kohler Engine
Mallory M90 with Honda Engine
Appendix
B
Shindaiwa GP45 and GP450 Mini-Lightweight Pump Part Interchangeability
The following Shindaiwa GP450 parts are interchangeable between the GP450 and GP45. | |
---|---|
Cylinder |
Crank Case Assembly: |
70000-15140 arrester
gasket 11206-04080 screw PM SPW |
20000-21140 crank case dowel pin |
Piston:
|
Rotor: |
20021-41341 thrust washer | 01600-10251 rotor spring washer |
Recoil
Starter Sub Assembly: |
|
20000-75130 recoil
starter ratchet |
20000-75150 friction
plate 20000-75170 friction plate screw 20010-75190 starter knob 70000-75230 starter pulley 11022-04160 bolt SPW |
Carburetor Assembly: |
|
20000-81910 stay
|
20000-81310 slow stop
screw 20010-81550 drain gasket 20000-81730 air cleaner screw 20010-81760 net B 20000-81770 cleaner cover |
Fuel tank: |
|
20010-85201 fuel
cap assembly |
20010-85301 fuel cock assembly |
Special Tool: |
|
22900-91180 plug wrench |
|
Puller Assembly: | |
22100-96121 lever center
bolt 20000-96140 lever bolt 20021-96420 stopper 20021-96621 boss bolt |
20000-96130 lever bolt
20000-96411 rotor spanner 20021-96611 puller 20021-96630 puller guide pin |
The following GP450 parts are not interchangeable with the GP45: | |
---|---|
Cylinder: | Crank Case Assembly: |
72905-15100 muffler
comp |
70062-21000 crank case
assembly 20124-31110 fan cover |
Piston: | Rotor: |
20021-41112
piston 20021-41311 piston pin 22152-41231 snap ring |
02403-03100 key 22011-11411 switch 20124-72520 bracket 20124-58110 pump shaft |
Carburetor
Assembly: |
Fuel tank |
20124-81000 carburetor
assembly 20124-81020 carburetor sub assembly 20124-81180 throttle valve 20124-81210 jet needle 20124-81230 needle jet 19404-00008 label choke |
20043-85410 fuel pipe 20124-86110 tank bracket |
Casing: | |
403-001 casing 401-002 packing 501-014 bolt 403-004 casing cover 501-005 bolt 501-006 seal packing 501-007 spring washer 501-008 washer 405-009 impeller 401-010 mechanical seal 405-011 inner casing 403-012 packing 401-013 valve case 403-014 tapping bolt 401-015 check valve 401-016 house joint |
401-017 packing 401-018 house coupling 403-019 bend 403-020 packing 501-012 plug 501-022 packing 501-021 plug 401-032 house band 405-033 strainer 405-036 base 401-038 cushion 405-030 handle 401-037 tapping screw 1001-024 spring nut 501-024 flange nut 405-034 bolt |
Puller Assembly: | Special Tool: |
20000-96104 puller
assembly 20000-96114 lever 20022-96210 air gap gauge 20021-96601 puller assembly 20000-96631 guide pin 20035-96630 guide pin |
70110-91100 tool set 19639-01100 poly bag |
Approximate English/Metric Conversion Factors for Units Used in this Document |
||||
---|---|---|---|---|
To
Change |
To |
Multiply
by |
||
feet gallons gallons/minute grams horsepower inches pounds quarts |
meters liters liters/second ounces watts millimeters kilograms liters |
|
![]() Project Leader, Fire Management San Dimas Technology & Development Center 444 East Bonita Avenue, San Dimas CA 91773-3198 Phone 909-599-1267; TDD: 909-599-2357; FAX: 909-592-2309 E-mail: mailroom_wo_sdtdc@fs.fed.us Information contained in this document has been developed for the guidance of employees of the Forest Service, United States Department of Agriculture (USDA), its contractors, and cooperating Federal and State agencies. The USDA assumes no responsibility for the interpretation or use of this information by other than its own employees. The use of trade, firm, or corporation names is for the information and convenience of the reader. Such use does not constitute an official evaluation, conclusion, recommendation, endorsement, or approval of any product or service to the exclusion of others that may be suitable. The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, sex, religion, age, disability, political beliefs, sexual orientation, or marital or family status. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write USDA, Director, Office of Civil Rights, Room 326-W, Whitten Building, 1400 Independence Avenue, SW, Washington, D.C. 20250-9410 or call (202) 720-5964 (voice and TDD). USDA is an equal opportunity provider and employer. |