The Perkins 403A-11G1 is a 1.13 L 3-cylinder natural engine rated at 1500 rpm, producing up to 9.5 kW. It powers generator sets from Caps and Perkins, including the CP10-TP1, CP9S-TP1, 403A-11G1 ElectropaK and ERP-9. It holds 4.9 L (1.3 gal) of oil and 5.2 L (1.4 gal) of coolant.
Also known as: PERKINS 403A-11G1, 403A-11G1
Part of the Perkins 403A engine family — 4 variants share parts & fitment.
| Oil capacity | 4.9 L |
|---|---|
| Coolant capacity | 5.2 L |
| Displacement | 1.13 L |
| Cylinders | 3 |
| Aspiration | NATURAL |
| Rated speed | 1500 rpm |
| Gross power | 9 kW |
Shared across brands: Caps, Perkins
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry Element | — | |||
| Fuel filter | — | ||||
| Oil filter | — | 500 hr | |||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | — | ||||
| Oil | 4.9 | — | 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 |
|---|---|---|
| 403A-11G | Perkins 403A-11G Engine | engine |
| 057-287 | DSE6110 MKIII & DSE6110 MKIII Configuration Software Manual | other_service |
| 057-289 | ISSUE: 2 | other_service |
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 403A-11G1 engine has an oil capacity of 4.9 liters.
The Perkins 403A-11G1 has a displacement of 1.13 liters with 3 cylinders.
The Perkins 403A-11G1 powers 4 generator set(s), including Caps CP10-TP1, Caps CP9S-TP1, Perkins 403A-11G1 ElectropaK, Perkins ERP-9.
The Perkins 403A-11G1 oil change interval is every 500 hours.