The Caterpillar C7.1 ACERT is a 7.01 L 6-cylinder turbocharged-aftercooled (ta) engine rated at 1700 rpm, producing up to 129.4 kW. It powers generator sets from Caterpillar, including the XQP150 and XQP200. 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 (TA) |
| Rated speed | 1700 rpm |
| Gross power | 129 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | High Efficiency two stage air cleaner, with dust cup and service indicator | — | find | ||
| Fuel filter | Primary filter (10 micron) with integral water separator (330ml capacity) | — | 500 hr | find | |
| Oil filter | Primary filter (10 micron) with integral water separator (330ml capacity) | 4621171 | 500 hr | PartsGeek FridayParts $28.06 | |
| Belt | Charging alternator; 24V, heavy duty with integral regulator and belt guards | — | find | ||
| Coolant | 50% glycol mix with corrosion inhibitor | 33.0 L | — | ||
| 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 XQP150, Caterpillar XQP200.
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.