The Caterpillar C11 is a 11.1 L 6-cylinder ataac engine rated at 1500 rpm, producing up to 9.86 kW. It powers generator sets from Caterpillar, including the DE7.5E3S. It holds 4.9 L (1.3 gal) of oil and 1.9 L (0.5 gal) of coolant.
Also known as: Caterpillar C11
Part of the Caterpillar C11 engine family — 3 variants share parts & fitment.
| Oil capacity | 4.9 L |
|---|---|
| Coolant capacity | 1.9 L |
| Displacement | 11.1 L |
| Cylinders | 6 |
| Aspiration | ATAAC |
| Rated speed | 1500 rpm |
| Gross power | 9 kW |
This engine also powers 1 machine(s) on Power Equipment Info.
| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| oil | Change | 500 hr | 3000 Series service intervals increased to 500 hours as standard (3013C, 3024C, 3054, 3056) | |
| minor overhaul | Other | 20000 hr | 3600 engines designed to run 20 000 hours between minor overhauls using No. 2 fuel | |
| major overhaul | Other | 40000 hr | 3600 engines designed to run 40 000 hours between major overhauls using No. 2 fuel | |
| cylinder liners and pistons | Other | 80000 hr | 3600 cylinder liners and pistons designed for 80 000 hours using No. 2 fuel |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Pressure | Unit injector fuel injection pressure | 1240 | bar (18 000 psi) |
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 | No. 2 fuel | 3600 engines designed for 80 000 hours on No. 2 fuel; ratings based on API gravity of 35 at 15 C (60 F), LHV of 42 780 kJ/kg used at 29 C (84 F) with a density of 838.9 g/L |
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 |
|---|---|---|
| 8889837647 | LOCK RETAINER | other_service |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.
The Caterpillar C11 engine has an oil capacity of 4.9 liters.
The Caterpillar C11 has a displacement of 11.1 liters with 6 cylinders.
The Caterpillar C11 powers 1 generator set(s), including Caterpillar DE7.5E3S.