The Caterpillar C7.1 is a 7.01 L 6-cylinder ta engine rated at 1800 rpm, producing up to 182 kW. It powers generator sets from Atlas Copco and Caterpillar, including the XAS 950 CD8 T4F, LC3114J and XQ200. It holds 16 L (4.2 gal) of oil and 11.5 L (3.0 gal) of coolant.
Also known as: Caterpillar C7.1
Part of the Caterpillar C7.1 engine family — 2 variants share parts & fitment.
| Oil capacity | 16.0 L |
|---|---|
| Coolant capacity | 11.5 L |
| Displacement | 7.01 L |
| Cylinders | 6 |
| Aspiration | TA |
| Rated speed | 1800 rpm |
| Gross power | 182 kW |
Shared across brands: Atlas Copco, Caterpillar
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | Replaceable Element | — | |||
| Oil filter | Replaceable Element | — | |||
| Battery | SHUNT | R250 | Amazon eBay $29.44 SinoCMP $15.00 FridayParts $42.56 | ||
| Belt | Centrifugal | — | |||
| Coolant | 49.536 L | — | |||
| Oil | 500 hour oil change intervals | 25.5 L | — | 500 hr | |
| Spark plug | N/A | — | 1000 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| 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. |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Part # | Description | Category |
|---|---|---|
| 365-8434 | Twin Turbocharger Alignment Tool | Alignment tool |
| CVP75 | Compactor | Compactor |
| 370-4653 | Turbocharger Counterbalance Tool | Counterbalance tool |
| 3310290 | Connecting rod | Service part / kit |
| 3310291 | Connecting rod | Service part / kit |
| 3310292 | Connecting rod | Service part / kit |
| 888-983-7847 | ENGINE BLOCK CRANKSHAFT | Service part / kit |
| 9753300442 | Oil sample kit | Service part / kit |
| CW-30 | Dedicated Quick Coupler | Service part / kit |
| CW-30S | Dedicated Quick Coupler | Service part / kit |
| 9CT001 | NOx Control System | Sensor |
| 315-9810 | Turbocharger | Turbocharger |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
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 engine has an oil capacity of 16.0 liters.
The Caterpillar C7.1 has a displacement of 7.01 liters with 6 cylinders.
The Caterpillar C7.1 powers 4 generator set(s), including Atlas Copco XAS 950 CD8 T4F, Caterpillar C7.1, Caterpillar LC3114J, Caterpillar XQ200.
The Caterpillar C7.1 oil change interval is every 500 hours.