Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil | API CF-4 | 8.5 U.S. Gal | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
The Perkins 1104C-TAG1 is a 3.99 L 4-cylinder turbocharged engine rated at 1800 rpm, producing up to 85 kW. It powers generator sets from Caterpillar, including the XQ80P2. It holds 7.1 L (1.9 gal) of oil and 25.9 L (6.8 gal) of coolant.
Also known as: Perkins 1104C-TAG1
Part of the Perkins 1104C engine family — 16 variants share parts & fitment.
| Oil capacity | 7.1 L |
|---|---|
| Coolant capacity | 25.9 L |
| Displacement | 3.99 L |
| Cylinders | 4 |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
| Gross power | 85 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil | API CF-4 | 8.5 U.S. Gal | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Part # | Description | Category |
|---|---|---|
| P80-3 | Air filter housing | Air filter |
| P80-4 | Air filter element, 5 micron | Air filter |
| LLB1114B | Leroy Somer | Alternator |
| LLB1114D | Leroy Somer | Alternator |
| LLB1114F | Leroy Somer | Alternator |
| LLB1114L | Leroy Somer | Alternator |
| LLB1114M | Leroy Somer | Alternator |
| LLB1514J | Leroy Somer | Alternator |
| LLB1514P | Leroy Somer | Alternator |
| LLB3114D | Leroy Somer | Alternator |
| LLB3114H | Leroy Somer | Alternator |
| P80-10 | Belt, non-drive end | Belt |
| P80-9 | Belt, drive end | Belt |
| P80-8 | Coolant filter element, 5 micron | Coolant filter |
| P80-7 | Fuel filter housing | Fuel filter |
| HP140 | Compressor oil filter | Oil filter |
| HP95 | Compressor oil filter | Oil filter |
| P101 | Compressor oil filter | Oil filter |
| P110 | Compressor oil filter | Oil filter |
| P130 | Compressor oil filter | Oil filter |
| P150 | Compressor oil filter | Oil filter |
| P180 | Compressor oil filter | Oil filter |
| P80-5 | Oil filter housing | Oil filter |
| P80-6 | Oil filter element, 5 micron | Oil filter |
| 21825666 | Valve Spring Compressor | Service part / kit |
| 27610235 | Setscrew Adapter | Service part / kit |
| A051C255 | Rectifier Service Kit | Service part / kit |
| A051C257 | Rectifier Service Kit | Service part / kit |
| A051C282 | 30,000 Hour Service Kit | Service part / kit |
| A051C285 | Bearing Kit Frame R, S, & T | Service part / kit |
| A051C291 | Bearing Kit Frame X, Y, & Z | Service part / kit |
| P80-1 | Hatch cover, drive end | Service part / kit |
| P80-2 | Hatch cover, non-drive end | Service part / kit |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
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 Perkins 1104C-TAG1 engine has an oil capacity of 7.1 liters.
The Perkins 1104C-TAG1 has a displacement of 3.99 liters with 4 cylinders.
The Perkins 1104C-TAG1 powers 1 generator set(s), including Caterpillar XQ80P2.