Caterpillar C175-20 Engine
The Caterpillar C175-20 is a 105.8 L 20-cylinder ta engine rated at 1500 rpm, producing up to 2983 kW. It powers generator sets from Caterpillar, including the EPD0064-B, EPD0067-B and EPD0068-B. It holds 675 L (178.3 gal) of oil.
Also known as: Caterpillar C175-20
Part of the Caterpillar C175 engine family — 3 variants share parts & fitment.
Service parts for the C175-20
The cheapest captured merchant offer per filter — see the full cross-reference below for every OEM/aftermarket option.
Prices captured from merchant listings; some links are affiliate links. Verify against your serial number before ordering.
Engine specifications
| Oil capacity | 675.0 L |
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| Displacement | 105.8 L |
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| Cylinders | 20 |
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| Aspiration | TA |
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| Rated speed | 1500 rpm |
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| Gross power | 2983 kW |
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Maintenance schedule
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
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| Coolant | SCAC cooling / jacket water | | | | Generator temperature rise based on a 40 degree C ambient per NEMA MG1-32. |
| Engine oil | Lubricating oil | | | 675.0 L | Sump refill with filter; integral lube oil cooler, gear type lube oil pump |
| Fuel | 35 API gravity | | | | LHV of 42 780 kJ/kg (18,390 Btu/lb) at 29 C (85 F), weighing 838.9 g/liter (7.001 lbs/U.S. gal.) |
| Fuel | No. 2 diesel fuel, 35º API gravity | LHV 42 780 kJ/kg (18,390 Btu/lb) | | | Weighing 838.9 g/liter (7.001 lbs/U.S. gal.), used at 29º C (85º F). Consult Cat dealer for Low Sulfur fuel and Biodiesel capability. |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Parts cataloged across the Caterpillar C175 family
6| Part # | Description | Category |
|---|
| 378-3022 | Radial Seal Air Filter Retrofit Kits For Select Large Mining Trucks | air_filter |
| 150-ampere | Brushless Alternator | alternator |
| C175-16 | Engine Model | engine_model |
| 205645 | Fuel Water Separator | fuel_water_separator |
| 5P-7277 | Voltage Tester | other_service |
| LEPW0006-02 | C175-16 | other_service |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Aftermarket parts that fit this engine
17Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
Filters for this engine
- Air filter: Caterpillar 2310167 Donaldson P827653 Wix 46671
- Fuel filter: Caterpillar 3890433 Donaldson P551316 Wix 33685NP
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
Also used in
1- Caterpillar 797F — Dump Truck
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.
Common questions
What is the oil capacity of the Caterpillar C175-20?
The Caterpillar C175-20 engine has an oil capacity of 675.0 liters.
What is the displacement of the Caterpillar C175-20?
The Caterpillar C175-20 has a displacement of 105.8 liters with 20 cylinders.
Which generators use the Caterpillar C175-20 engine?
The Caterpillar C175-20 powers 9 generator set(s), including Caterpillar C175-20, Caterpillar EPD0064-B, Caterpillar EPD0067-B, Caterpillar EPD0068-B, Caterpillar EPD0069-B.
What fuel filter does the Caterpillar C175-20 use?
The Caterpillar C175-20 uses fuel filter part numbers Caterpillar 3890433, Donaldson P551316, Wix 33685NP.
What air filter does the Caterpillar C175-20 use?
The Caterpillar C175-20 uses air filter part numbers Caterpillar 2310167, Donaldson P827653, Wix 46671.