The Caterpillar CM43-7 is a 620 L engine. It powers generator sets from Caterpillar, including the CM43.
Also known as: Caterpillar CM43-7
Part of the Caterpillar CM43 engine family — 19 variants share parts & fitment.
| Displacement | 620.0 L |
|---|
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | Gross Input Torque (TH55-E70) | 12 667 | N•m (9350 lb-ft) | |
| Other | Gross Input Torque (TH55-E90) | 12 677 | N•m (9350 lb-ft) | |
| Other | Rating condition (diesel 7 L and higher) | 99 kPa (29.31 in Hg) dry barometer, 25°C (77°F) | SAE J1995 inlet air standard | |
| Other | Rating condition (diesel up to 6.6 L) | 100 kPa (29.5 in Hg) total barometric pressure, 1 kPa (.295 in Hg) vapor pressure, 25°C (77°F) | ISO/TR14396 inlet air standard | |
| Other | Rating condition (gas) | 100 kPa (29.61 in Hg) and 25°C (77°F) | SAE J1349 standard | |
| Other | Stall Torque Ratio (TH55-E70) | 2.23 | ||
| Other | Stall Torque Ratio (TH55-E90) | 2.23 | ||
| Pressure | WS255 pump plunger load | 238,000 | lb (107,960 kg) | |
| Pressure | WS273XD pump plunger load | 275,000 | lb (124 738 kg) | |
| Pressure | WS305XD pump plunger load | 250,000 | lb (113 398 kg) | |
| Speed | Maximum Input Speed (TH55-E70/TH55-E90 transmissions) | 1970 | rpm | |
| Speed | Rated Input Speed (TH55-E70/TH55-E90 transmissions) | 1900 | rpm |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Fuel | 35° API gravity, LHV 42 780 kJ/kg (18,390 btu/lb) | SAE J1995 | Diesel engines 7 liter and higher; used at 29°C (84.2°F) with density 838.9 g/L | ||
| Fuel | EPA 2D 89.330-96 | EPA 2D 89.330-96 | Diesel engines up to 6.6 liter; density 0.845-0.850 kg/L @ 15°C (59°F); fuel inlet temperature 40°C (104°F) | ||
| Fuel | dry natural gas, LHV 35.54 MJ/Nm3 (905 btu/ft3) | Gas ratings based on SAE J1349 standard conditions of 100 kPa (29.61 in Hg) and 25°C (77°F) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Part # | Description | Category |
|---|---|---|
| 16CM43-0001 | Cylinder Head Assembly | Service part / kit |
| 16CM43-0002 | Piston Assembly | Service part / kit |
| 16CM43-0003 | Connecting Rod Assembly | Service part / kit |
| 16CM43-0004 | Crankshaft Assembly | Service part / kit |
| 16CM43-0005 | Valve Train Assembly | Service part / kit |
| HT5/HT6 | Settling tank | Service part / kit |
| LEXE0583-00 | January 2013 | Service part / kit |
| HP1/HP2 | Fuel pressure pump | Pump |
| HP3/HP4 | Fuel oil circulating pump | Pump |
| HP5/HP6 | Heavy fuel transfer pump (separator) | Pump |
| HS1/HS2 | Heavy fuel separator | Separator |
| 16CM43-0006 | Turbocharger Assembly | Turbocharger |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Caterpillar CM43-7 has a displacement of 620.0 liters.
The Caterpillar CM43-7 powers 1 generator set(s), including Caterpillar CM43.