The Caterpillar C11 ACERT is a 11.1 L 6-cylinder turbocharged aftercooled (ta) engine rated at 1800 rpm, producing up to 336 kW. It powers generator sets from Caterpillar, including the 725.
Also known as: Caterpillar C11 ACERT
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| Displacement | 11.1 L |
|---|---|
| Cylinders | 6 |
| Aspiration | Turbocharged Aftercooled (TA) |
| Rated speed | 1800 rpm |
| Gross power | 336 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | 2 micron high performance | 1165436 | Amazon eBay | ||
| Oil filter | 3890434 | Amazon $148.00 eBay $82.42 PartsGeek $30.97 |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Torque | Bearing Nut Torque (129-3253 Spanner Socket, 121-9871 Bearing Nut) | 2375 | N·m | |
| Torque | Bearing Nut Torque (129-3254 Spanner Socket, 119-3711 Bearing Nut) | 2375 | N·m | |
| Torque | Locknut torque (260-0626 Spanner Socket Assembly, 1T-0229 High Torque Locknut) | 985 | N·m | |
| Torque | Solenoid nut torque (FT3198 Solenoid Tool, 352-2733 solenoid) | 3.75 | Nm | +/- .75 |
| Torque | Tightening torque for 369-5916 Lifting Eyebolt (M12 Hex Bit) | 115 | N·m | |
| Torque | Working torque capacity of locknut spanner wrenches (126-6608 / 126-6609) | 950 | N·m |
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 | SAE J1995 | Reference rating fuel: lower heating value 42,780 kJ/kg (18,390 btu/lb) at 29°C (84.2°F), density 838.9 g/L | ||
| Fuel | 35º API | SAE J1995 | Rating conditions fuel: gravity 35º API, lower heating value 42,780 kJ/kg (18,390 btu/lb) used at 29º C (84.2º F) with a density of 838.9 g/L | ||
| Fuel | 35º API gravity | Performance measured using a standard fuel with fuel gravity of 35º API having a lower heating value of 42,780 kJ/kg (18,390 btu/lb) when used at 29º C (84.2º F) with a density of 838.9 g/L. All rating conditions based on SAE J1995, inlet air standard conditions of 99 kPa (29.31 in. Hg) dry barometer and 25ºC (77ºF) temperature. |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Tools: 207-3440 Loading Mandrel, 207-3442 Ring Pusher, 207-3444 Seal Sizer, 8F-8178 Bolt
Tools: 8T-5243 Adapter Group, 7B-2499 Ring, 6H-4158 Pin, 5F-9306 Arm, 8S-9975 Ram Adapter, 9S-8900 Cylinder Group
Tools: 174-5354 STOR Plug Assembly, 134-2562 Guides, 9S-9334 Plugs, 6N-9155 Pin
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
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 ACERT has a displacement of 11.1 liters with 6 cylinders.
The Caterpillar C11 ACERT powers 1 generator set(s), including Caterpillar 725.
The Caterpillar C11 ACERT uses oil filter part numbers Caterpillar 3890434, Donaldson P551808, Wix 57792.
The Caterpillar C11 ACERT uses fuel filter part numbers Caterpillar 1165436, Donaldson P550625, Wix 33640.