The Cummins/Onan KTA19-M3 is a 19 L 6-cylinder 4-stroke diesel engine rated at 1800 rpm, producing up to 373 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 — 5 variants share parts & fitment.
| Oil capacity | 72.0 L |
|---|---|
| Coolant capacity | 644.0 L |
| Displacement | 19.0 L |
| Cylinders | 6 |
| Aspiration | 4-Stroke Diesel |
| Rated speed | 1800 rpm |
| Gross power | 373 kW |
| Part # | Description | Category |
|---|---|---|
| FP-IFKKTA19 | KTA19 In-Frame Kit w/upper gasket set & oil pan gasket | gasket |
| M-4352578 | Upper Gasket Set | gasket |
| 3096680 | Piston STC 13.8:1 Ratio | other_service |
| 3096681 | Piston KT Series 15.5:1 Ratio | other_service |
| 3096682 | Piston KTA Series 14.5:1 Ratio | other_service |
| 3096683 | Piston 13.5:1 Ratio | other_service |
| 3096684 | Piston KTA 15.7:1 Ratio | other_service |
| 3096685 | Piston STC 13.9:1 Ratio | other_service |
| 3628731 | Piston STC Kit | other_service |
| 3630913 | Piston KTA-50-G7 | other_service |
| 3631241 | Piston Kit STC 13.9:1 Ratio | other_service |
| 3631242 | Piston Kit 13.5:1 Ratio | other_service |
| 3631243 | Piston Kit KTA 15.7:1 Ratio | other_service |
| 3631244 | Piston Kit KTA Series 14.5:1 Ratio | other_service |
| 3631245 | Piston Kit KT Series 15.5:1 Ratio | other_service |
| 3631246 | Piston Kit STC 13.8:1 Ratio | other_service |
| 3803530 | Piston Assembly STC | other_service |
| 3804747 | Piston Kit KTA-50-G7 | other_service |
| 3804885 | Piston KTA-50-G8/G9 | other_service |
| 4089847 | Piston Kit GTA38/19 | other_service |
| 4090013 | Piston Kit KTA-38-M2 | other_service |
| 4090029 | Piston Kit QSK19CE | other_service |
| 4090181 | Piston GTA38/19 | other_service |
| 4097889 | Piston KTA-38-M2 | other_service |
| 4910463 | Piston QSK19R/M | other_service |
| 4910465 | Piston QSK Series | other_service |
| 4916177 | Piston GTA/GQSK19 | other_service |
| 4918058 | Piston QSK19CE | other_service |
| 4922319 | Piston QSK19C | other_service |
| 4955233 | Piston Kit QSK19R/M | other_service |
| 4955235 | Piston Kit QSK Series | other_service |
| 4955236 | Piston Kit QSK19C | other_service |
| 4955238 | Piston Kit GTA/GQSK19 | other_service |
| KTA19 | Engine Model | other_service |
| DM-3006737 | Crankshaft Rear Seal - KTA19, NTA370, NTA420 | seal |
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 19.0 liters with 6 cylinders.
The Cummins/Onan KTA19-M3 powers 1 generator set(s), including Cummins/Onan KTA19-M3.