Engines · Nonroad diesel engines
Impco nonroad diesel engines
EPA certification records list 12 nonroad diesel engine families from Impco, model years 1998–2004. Displacement spans 6.0 l to 8.1 l. Naturally aspirated engines make up 100% of families. The most families were certified in 2004 (2).
Engine families12
Engine models7
Model years1998–2004
Displacement6.0 l – 8.1 l
Rank in category#68of 75 makers by families
Families certified per year
Technical mix
Fuel
Propane7Dual-fuel 1(CNG or Gasoline)2LPG (Specs. need EPA approval)2Natural Gas1
Aspiration
Naturally aspirated12
Most certified engine models
Technologies, Inc. L18 LPG4Technologies, Inc L213Quantum Technologies, Inc. Lq4-Df Cng/Gas1Inc. Lq4-Cng1Inc1Technologies, Inc. L21 Lpg1Technologies, Inc. 6.0 & 7.0 Lpg1
Engine families
| Family | Model | Year | Displacement | Fuel |
|---|---|---|---|---|
4TJXH06.0583 | Quantum Technologies, Inc. Lq4-Df Cng/Gas | 2004 | 6.0 l | Dual-fuel 1(CNG or Gasoline) |
4TJXH06.0ZCU | Inc. Lq4-Cng | 2004 | 6.0 l | Natural Gas |
3TJXH06.0583 | Inc | 2003 | 6.0 l | Dual-fuel 1(CNG or Gasoline) |
2TJXH08.1502 | Technologies, Inc. L18 LPG | 2002 | 8.1 l | Propane |
2TJXH08.1505 | Technologies, Inc. L18 LPG | 2002 | 8.1 l | Propane |
1TJXH08.1502 | Technologies, Inc. L18 LPG | 2001 | 8.1 l | Propane |
1TJXH08.1505 | Technologies, Inc. L18 LPG | 2001 | 8.1 l | Propane |
YTJXH07.4502 | Technologies, Inc L21 | 2000 | 7.4 l | Propane |
YTJXH07.4505 | Technologies, Inc L21 | 2000 | 7.4 l | Propane |
XTJXH07.4502 | Technologies, Inc L21 | 1999 | 7.4 l | LPG (Specs. need EPA approval) |
XTJXH07.4505 | Technologies, Inc. L21 Lpg | 1999 | 7.4 l | Propane |
WTJXH07.0503 | Technologies, Inc. 6.0 & 7.0 Lpg | 1998 | 7.1 l | LPG (Specs. need EPA approval) |
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:TJX). 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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