The Perkins 1103C-33G3 is a 3.3 L 3-cylinder naturally aspirated engine rated at 1500 rpm, producing up to 31 kW. It powers generator sets from Perkins. It holds 7.4 L (2.0 gal) of oil and 10.1 L (2.7 gal) of coolant.
Also known as: Perkins 1103C-33G3
Part of the Perkins 1103C engine family — 9 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 | 7.4 L |
|---|---|
| Coolant capacity | 10.1 L |
| Displacement | 3.3 L |
| Cylinders | 3 |
| Aspiration | Naturally aspirated |
| Rated speed | 1500 rpm |
| Gross power | 31 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Mounted | — | |||
| Fuel filter | Ecoplus | — | |||
| Oil filter | Spin-on | T74105021 | Amazon $32.99 eBay $19.00 | ||
| Belt | belt-driven | — | |||
| Coolant | Thermostatically-controlled system with gear-driven circulation pump and belt-driven pusher fan | 10.1 litres | — | ||
| Oil | Cast iron sump with filler and dipstick | 7.4 litres | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| general service | Other | 500 hr | 500 hour service intervals |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Engine oil | API CH4/ACEA E5 | 7.4 litres | Total lubrication system capacity | ||
| Fuel | BS 2869 Class 2 or ASTM D975 D2 | Fuel specification |
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 |
|---|---|---|
| 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.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your 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 Perkins 1103C-33G3 engine has an oil capacity of 7.4 liters.
The Perkins 1103C-33G3 has a displacement of 3.3 liters with 3 cylinders.
The Perkins 1103C-33G3 powers 1 generator set(s), including Perkins 1103C-33G3.
The Perkins 1103C-33G3 uses oil filter part numbers Perkins T74105021, Donaldson P554403, Wix 51806.
The Perkins 1103C-33G3 uses air filter part numbers Perkins 901047, Perkins 26510338, Donaldson P772579.