The Caterpillar C32 ACERT is a 32 L 12-cylinder turbocharged-aftercooled engine rated at 2100 rpm, producing up to 1120 kW. It powers generator sets from Caterpillar. It holds 72 L (19.0 gal) of oil and 55 L (14.5 gal) of coolant.
Also known as: Caterpillar C32 ACERT
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| Oil capacity | 72.0 L |
|---|---|
| Coolant capacity | 55.0 L |
| Displacement | 32.0 L |
| Cylinders | 12 |
| Aspiration | Turbocharged-Aftercooled |
| Rated speed | 2100 rpm |
| Gross power | 1120 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | 3890433 | Amazon eBay $34.97 FridayParts $71.99 | |||
| Oil filter | — | ||||
| Coolant | 80.0 L | — | |||
| Oil | Caterpillar Diesel Engine Oil 10W30 or 15W40 | 138.0 L | — | 500 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Engine oil | Change | 250 hr | Oil Change Interval as printed on the specification sheet | |
| Primary air filter element | Change | 250 hr | When changing the primary element at 250 operating hours (basis of the without-indicator filter-change comparison) | |
| oil | Change | 500 hr | Oil Change Interval | |
| Secondary air filter element | Change | 750 hr | When changing the secondary element at 750 operating hours (basis of the without-indicator filter-change comparison) |
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 |
|---|---|---|---|---|
| Other | Air compressor air flow | 374 | L/min (13.2 cfm) @ 1250 rpm | C7 ACERT, C9 ACERT |
| Other | Air compressor air flow | 445 | L/min (15.7 cfm) @ 1250 rpm | C11 ACERT, C13 ACERT, C15 ACERT, C18 ACERT |
| Other | Air compressor air flow | 467 | L/min (16.5 cfm) @ 1250 rpm | C7 ACERT, C9 ACERT |
| Other | Air compressor air flow | 889 | L/min (31.4 cfm) @ 1250 rpm | C11 ACERT, C13 ACERT, C15 ACERT, C18 ACERT |
| Other | Compression Ratio | 15.0:1 | ||
| Other | Radiator cooling package maximum elevation | 1524 | m (5000 ft) | with 50/50 water/Extended Life Coolant mixture |
| 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 | Rotation (from flywheel end) | Counterclockwise | from flywheel end | |
| Pressure | Attachments gear-type pump output pressure | 6895 | kPa | at 1,890 rpm |
| Pressure | Bulldozer relief valve setting | 22 750 | kPa | |
| Pressure | CarryDozer relief valve setting | 24 135 | kPa | |
| Pressure | Dump cylinder relief valve setting | 24 825 | kPa | |
| Pressure | Ripper (lift) relief valve setting | 22 750 | kPa | |
| Pressure | Ripper (lift) relief valve setting | 24 135 | kPa | |
| Pressure | Ripper (pitch) relief valve setting | 22 750 | kPa | |
| Pressure | Ripper (pitch) relief valve setting | 24 135 | kPa | |
| Pressure | Tilt cylinder relief valve setting | 24 300 | kPa | |
| Speed | Attachments gear-type pump output (D11T CD) | 670 | L/min | at 1,890 rpm |
| Speed | Attachments gear-type pump output (D11T) | 620 | L/min | at 1,890 rpm |
| Speed | Flexible Rated Speed | 1800-2100 | rpm | |
| Speed | Peak Torque Speed | 1400 | rpm | |
| Speed | Tilt cylinder flow (D11T CD) | 250 | L/min | |
| Speed | Tilt cylinder flow (D11T) | 155 | L/min | |
| Temperature | Radiator cooling package design ambient temperature | 48.9 | °C (120°F) | coolant mixture 50/50 (water/Caterpillar Extended Life Coolant), maximum elevation 1524 m (5000 ft) |
| Torque | Air compressor SAE "A" hydraulic pump drive maximum torque (374 L/min and 467 L/min compressors) | 60 | N•m (44 lb-ft) | C7, C9 ACERT |
| Torque | Air compressor maximum torque (374 L/min / 13.2 cfm @ 1250 rpm, C7/C9) | 60 | N·m (44 lb-ft) | 374 L/min (13.2 cfm) @ 1250 rpm |
| Torque | Air compressor maximum torque (467 L/min / 16.5 cfm @ 1250 rpm, C7/C9) | 60 | N·m (44 lb-ft) | 467 L/min (16.5 cfm) @ 1250 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 |
|---|---|---|---|---|---|
| Coolant | 50/50 (water/Caterpillar Extended Life Coolant) | below 48°C | Radiator cooling packages designed for up to 48.9°C (120°F) ambient up to a maximum elevation of 1524 m (5000 ft) | ||
| Coolant | 50/50 mixture water/Caterpillar Extended Life Coolant | below 48°C | Radiator cooling packages designed for up to 48.9° C (120° F) ambient; coolant sump refill capacities vary by oil sump/pan (18 L to 106 L service refill with new oil filter change) | ||
| Engine oil | Caterpillar Diesel Engine Oil 10W30 or 15W40 | 138.0 L | Oil change interval 500 hr | ||
| Engine oil | low sulfated ash oil | Required for U.S. EPA Tier 4 Final, EU Stage IV engines. | |||
| Fuel | Ultra Low Sulfur Diesel (ULSD) | Contains less than or equal to 15 parts per million sulfur (mg/kg); required for U.S. EPA Tier 4 Final, EU Stage IV engines. B20 biodiesel capability available. | |||
| Fuel | 35° API gravity at 60°F (16°C) | LHV 18,390 Btu/lb (42 780 kJ/kg) | Fuel at 85°F (29°C) weighing 7.001 lbs/U.S. gal (838.9 g/liter) | ||
| Fuel | 35º API | Lower heating value 42,780 kJ/kg (18,390 btu/lb) when used at 29º C (84.2º 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.
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 C32 ACERT engine has an oil capacity of 72.0 liters.
The Caterpillar C32 ACERT has a displacement of 32.0 liters with 12 cylinders.
The Caterpillar C32 ACERT powers 1 generator set(s), including Caterpillar C32 ACERT.
The Caterpillar C32 ACERT uses oil filter part numbers Caterpillar 3890434, Caterpillar 2P4005, Donaldson P551808.
The Caterpillar C32 ACERT uses fuel filter part numbers Caterpillar 3890433, Donaldson P551316, Wix 33685NP.
The Caterpillar C32 ACERT oil change interval is every 500 hours.