The Perkins 1103D-33G3 is a 3.3 L 3-cylinder naturally aspirated engine rated at 1500 rpm, producing up to 29 kW. It powers generator sets from FG Wilson, Olympian and Perkins, including the MJB 160 MB4, P26-6S, XQE30-4 and 1103D-33 G3. It holds 6.2 L (1.6 gal) of oil and 4.4 L (1.2 gal) of coolant.
Also known as: Perkins 1103D-33G3, 1103D-33G3
Part of the Perkins 1103D engine family — 7 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 | 6.2 L |
|---|---|
| Coolant capacity | 4.4 L |
| Displacement | 3.3 L |
| Cylinders | 3 |
| Aspiration | Naturally Aspirated |
| Rated speed | 1500 rpm |
| Gross power | 29 kW |
Shared across brands: FG Wilson, Olympian, Perkins
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 901047 | 5000 hr | Amazon $154.99 eBay $63.75 FridayParts $24.99 | ||
| Fuel filter | 500 h / 1 year | — | 500 hr | ||
| Oil filter | — | 5000 hr | |||
| Battery | 2 years | — | 7304 hr | ||
| Belt | — | ||||
| Coolant | 1000 h / 2 years | 23.9 | — | 1000 hr | |
| Oil | After first 100h, then every 500 h / 1 year | 23.9 | — | 500 hr | |
| 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 |
| 1103D-33TA | 1103D-33TA engine variant | engine |
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 1103D-33G3 engine has an oil capacity of 6.2 liters.
The Perkins 1103D-33G3 has a displacement of 3.3 liters with 3 cylinders.
The Perkins 1103D-33G3 powers 5 generator set(s), including FG Wilson MJB 160 MB4, FG Wilson P26-6S, Olympian XQE30-4, Perkins 1103D-33 G3, Perkins FDG 32 P3.
The Perkins 1103D-33G3 uses air filter part numbers Perkins 901047, Donaldson P772579, Wix 46652.
The Perkins 1103D-33G3 oil change interval is every 500 hours.