The Caterpillar C7.1 ACERT™ is a 7.01 L 6-cylinder turbocharged-aftercooled engine rated at 1800 rpm, producing up to 129.4 kW. It powers generator sets from Caterpillar, including the XQ230 Tier 4 Final and XQP150. It holds 18.5 L (4.9 gal) of oil and 46.9 L (12.4 gal) of coolant.
Also known as: Cat C7.1 ACERT™
| Oil capacity | 18.5 L |
|---|---|
| Coolant capacity | 46.9 L |
| Displacement | 7.01 L |
| Cylinders | 6 |
| Aspiration | Turbocharged-Aftercooled |
| Rated speed | 1800 rpm |
| Gross power | 129 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Filter | — | find | ||
| Fuel filter | Fuel System | — | find | ||
| Oil filter | Lubricating System | 4621171 | PartsGeek FridayParts $28.06 | ||
| Belt | N/A | — | find | ||
| Coolant | Cooling System | 22.0 L (gal) | — | ||
| Oil | Lubricating System | 12.4 L (gal) | — | 500 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's 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 C7.1 ACERT™ engine has an oil capacity of 18.5 liters.
The Caterpillar C7.1 ACERT™ has a displacement of 7.01 liters with 6 cylinders.
The Caterpillar C7.1 ACERT™ powers 2 generator set(s), including Caterpillar XQ230 Tier 4 Final, Caterpillar XQP150.
The Caterpillar C7.1 ACERT™ uses oil filter part numbers Caterpillar 4621171, Donaldson P550920, Wix 57325.
The Caterpillar C7.1 ACERT™ oil change interval is every 500 hours.