The Perkins 1103C-33G2/3 is a 3.3 L 6-cylinder naturally aspirated engine rated at 1500 rpm, producing up to 31 kW. It powers generator sets from Caterpillar, FG Wilson and Olympian, including the XQE30-2, LLB1014S, P24P2S and P26E2S. It holds 20.3 L (5.4 gal) of oil and 676 L (178.6 gal) of coolant.
Also known as: Perkins 1103C-33G2/3
Part of the Perkins 1103C engine family — 10 variants share parts & fitment.
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.
| Oil capacity | 20.3 L |
|---|---|
| Coolant capacity | 676.0 L |
| Displacement | 3.3 L |
| Cylinders | 6 |
| Aspiration | Naturally Aspirated |
| Rated speed | 1500 rpm |
| Gross power | 31 kW |
Shared across brands: Caterpillar, FG Wilson, Olympian
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 1000051238 | Amazon eBay $63.75 NAPA $62.83 FridayParts $24.99 | |||
| Fuel filter | Replaceable Element, 4 / In Line | — | |||
| Oil filter | Spin-On, Full Flow | 1000065570 | Amazon eBay $19.99 NAPA $21.77 | ||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | 676.0 l (US gal) | — | |||
| Oil | Replaceable Element | 1500.0 l (In Line) | — | ||
| Spark plug | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Part # | Description | Category |
|---|---|---|
| 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 |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
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 Perkins 1103C-33G2/3 engine has an oil capacity of 20.3 liters.
The Perkins 1103C-33G2/3 has a displacement of 3.3 liters with 6 cylinders.
The Perkins 1103C-33G2/3 powers 11 generator set(s), including Caterpillar XQE30-2, FG Wilson LLB1014S, FG Wilson P24P2S, FG Wilson P26E2S, FG Wilson P27P2.
The Perkins 1103C-33G2/3 uses oil filter part numbers Fg Wilson 1000065570, Perkins T74105021, Donaldson P554403.
The Perkins 1103C-33G2/3 uses air filter part numbers Fg Wilson 1000051238, Perkins 901047, Perkins 26510338.