The Perkins 1103A-33G is a 3.3 L 3-cylinder naturally aspirated engine rated at 1500 rpm, producing up to 31 kW. It powers generator sets from AKSA, Caps, Lees and Perkins, including the AD66, CP29S-TP1, CP33-TP1 and LSP33S3. It holds 7.9 L (2.1 gal) of oil and 10.2 L (2.7 gal) of coolant.
Part of the Perkins 1103A engine family — 4 variants share parts & fitment.
| Oil capacity | 7.9 L |
|---|---|
| Coolant capacity | 10.2 L |
| Displacement | 3.3 L |
| Cylinders | 3 |
| Aspiration | Naturally aspirated |
| Rated speed | 1500 rpm |
| Gross power | 31 kW |
Shared across brands: AKSA, Caps, Lees, Perkins
| Part # | Description | Category |
|---|---|---|
| 35393685 | Air Cleaner Element (Compressor/Engine) | air_filter |
| P80-3 | Air filter housing | air_filter |
| P80-4 | Air filter element, 5 micron | air_filter |
| A051C285 | Bearing Kit Frame R, S, & T | bearing_kit_frame |
| A051C291 | Bearing Kit Frame X, Y, & Z | bearing_kit_frame |
| 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 |
| 1103A-33 | OIL FILTER | oil_filter |
| 35308030 | Engine Oil Filter Element | oil_filter |
| 36897353 | Compressor Oil Filter Element | oil_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 |
| 35393651 | Optional Secondary (Compressor/Engine) | other_service |
| 54625942 | Compressor Oil Separator Element | other_service |
| A050R646 | Harness, Wiring (Stator RTD) | other_service |
| A051C255 | DE Bearing Kit | other_service |
| A051C257 | DE Bearing Kit | other_service |
| P80-1 | Hatch cover, drive end | other_service |
| P80-2 | Hatch cover, non-drive end | other_service |
| A051C282 | Rectifier Service Kit | rectifier_service_kit |
| 070-58085 | Bearing RTD | sensor |
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.
The Perkins 1103A-33G engine has an oil capacity of 7.9 liters.
The Perkins 1103A-33G has a displacement of 3.3 liters with 3 cylinders.
The Perkins 1103A-33G powers 5 generator set(s), including AKSA AD66, Caps CP29S-TP1, Caps CP33-TP1, Lees LSP33S3, Perkins 1103A-33.