Engines · Nonroad diesel engines
Weichai Power nonroad diesel engines
EPA certification records list 15 nonroad diesel engine families from Weichai Power, model years 2009–2025. Rated power ranges from 560 to 1,398 kW (listed for 6 of 15 families), median 1,398 kW. Displacement spans 418 cc to 52.3 l. The most families were certified in 2010 (6).
Engine families15
Engine models9
Model years2009–2025
Power range560–1398 kWmedian 1398 kW
Displacement418 cc – 52.3 l
Rank in category#62of 75 makers by families
Power distribution
Number of engine families by rated power.
Families certified per year
Emission standards by year
How Weichai Power's certifications moved through emission standards.
| Year | Standards certified (families) |
|---|---|
| 2020 | Tier 2 (1) |
| 2021 | Tier 2 (1) |
| 2022 | Tier 2 (1) |
| 2023 | Tier 2 (1) |
| 2024 | Tier 2 (1) |
| 2025 | Tier 2 (1) |
Technical mix
Fuel
Diesel97-15 ppm Ultra Low Sulfur Diesel6
Configuration
4 Stroke Compression Ignition6
Most certified engine models
16M33G4D2/66Co., Ltd. Wp4D100E302Co., Ltd. Wp12D300E321Co., Ltd. Wp12D300E301Co., Ltd. Wp4D74E301Co., Ltd. Wp6D129E301Co., Ltd. Wp6D145E301Co., Ltd. Wp12D408E301Co., Ltd. Wp6D175E301
Engine families
| Family | Model | Year | Displacement | Power | Fuel | Standard |
|---|---|---|---|---|---|---|
SWEHL52.3EMS | 16M33G4D2/6 | 2025 | 52.3 l | 560 kW | 7-15 ppm Ultra Low Sulfur Diesel | Tier 2 |
RWEHL52.3EMS | 16M33G4D2/6 | 2024 | 52.3 l | 560 kW | 7-15 ppm Ultra Low Sulfur Diesel | Tier 2 |
PWEHL52.3EMS | 16M33G4D2/6 | 2023 | 52.3 l | 1,398 kW | 7-15 ppm Ultra Low Sulfur Diesel | Tier 2 |
NWEHL52.3EMS | 16M33G4D2/6 | 2022 | 52.3 l | 1,398 kW | 7-15 ppm Ultra Low Sulfur Diesel | Tier 2 |
MWEHL52.3EMS | 16M33G4D2/6 | 2021 | 52.3 l | 1,398 kW | 7-15 ppm Ultra Low Sulfur Diesel | Tier 2 |
LWEHL52.3EMS | 16M33G4D2/6 | 2020 | 52.3 l | 1,398 kW | 7-15 ppm Ultra Low Sulfur Diesel | Tier 2 |
AWEHL11.6ECU | Co., Ltd. Wp12D300E32 | 2010 | 11.6 l | — | Diesel | — |
AWEHL11.6EGR | Co., Ltd. Wp12D300E30 | 2010 | 11.6 l | — | Diesel | — |
AWEHL4.50AAA | Co., Ltd. Wp4D74E30 | 2010 | 4.5 l | — | Diesel | — |
AWEHL4.50WPG | Co., Ltd. Wp4D100E30 | 2010 | 4.5 l | — | Diesel | — |
AWEHL6.75AAA | Co., Ltd. Wp6D129E30 | 2010 | 418 cc | — | Diesel | — |
AWEHL6.75BBB | Co., Ltd. Wp6D145E30 | 2010 | 418 cc | — | Diesel | — |
9WEHL11.596W | Co., Ltd. Wp12D408E30 | 2009 | 11.6 l | — | Diesel | — |
9WEHL4.50WPG | Co., Ltd. Wp4D100E30 | 2009 | 4.5 l | — | Diesel | — |
9WEHL6.75WPG | Co., Ltd. Wp6D175E30 | 2009 | 6.8 l | — | Diesel | — |
Other nonroad diesel engines makers
Source
US Environmental Protection Agency engine certification data. Model year and manufacturer are decoded from EPA engine family codes (EPA codes:WEH). An engine family is a group of engines certified together; one family can cover several power ratings.
Engine calculators
Torque, power and BMEPPower from torque and RPM · Torque from power and RPM · Brake mean effective pressure (BMEP)Engine displacementDisplacement from bore, stroke and cylinders · Bore from displacement and stroke · Stroke from displacement and boreBSFC and thermal efficiencyBSFC from power and fuel flow · Fuel flow from power and BSFC · Thermal efficiency from BSFCCompression ratioStatic compression ratio · Chamber volume for a target compression ratio · Theoretical compression pressurePiston speedMean piston speed · Maximum RPM for a piston speed limit · Rod ratio, piston velocity and acceleration
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