The Cummins/Onan KTA19-M3 is a 18.9 L 6-cylinder turbocharged/aftercooled engine rated at 1800 rpm, producing up to 395 kW. It powers generator sets from Cummins/Onan. It holds 72 L (19.0 gal) of oil and 644 L (170.1 gal) of coolant.
Also known as: CUMMINS KTA19-M3
Part of the Cummins/Onan KTA19 engine family — 8 variants share parts & fitment.
| Oil capacity | 72.0 L |
|---|---|
| Coolant capacity | 644.0 L |
| Displacement | 18.9 L |
| Cylinders | 6 |
| Aspiration | Turbocharged/aftercooled |
| Rated speed | 1800 rpm |
| Gross power | 395 kW |
How to read your Cummins/Onan engine serial & model number →
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | ||||
| Oil filter | — | ||||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | — | ||||
| Coolant filter | — | ||||
| Oil | — | ||||
| 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 |
|---|---|---|
| CS-1367-1 | COOLANT FILTER | coolant_filter |
| 25-1386 | FUEL FILTERS | fuel_filter |
| FS-1386-1 | fuel filters | fuel_filter |
| 903-0125 | NA | other_service |
| 903-0205 | NA | other_service |
| 903-0605 | NA | other_service |
| 956-0120 | other_service | |
| 956-0220 | other_service | |
| 960-0132 | other_service | |
| A134 | engine control monitor board | other_service |
| D1400 | DONALDSONS D1400 SOLVENT | other_service |
| ES-1778-1 | current transformer connections | other_service |
| ES-1866-1 | reconnection diagram | other_service |
| LS-1063-1 | oil dipstick location | other_service |
| M-1808-2 | typical installation diagram | other_service |
| SC-1101-1 | load transfer switch | other_service |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Cummins/Onan KTA19-M3 engine has an oil capacity of 72.0 liters.
The Cummins/Onan KTA19-M3 has a displacement of 18.9 liters with 6 cylinders.
The Cummins/Onan KTA19-M3 powers 1 generator set(s), including Cummins/Onan KTA19-M3.