The Cummins/Onan KTAA19-G12 is a 19 L 6-cylinder turbocharged, charge air cooled engine rated at 1500 rpm. It powers generator sets from Cummins/Onan, including the K19 series.
Also known as: Cummins® KTAA19-G12
Part of the Cummins/Onan KTAA19 engine family — 3 variants share parts & fitment.
| Displacement | 19.0 L |
|---|---|
| Cylinders | 6 |
| Aspiration | Turbocharged, Charge air Cooled |
| Rated speed | 1500 rpm |
| Part # | Description | Category |
|---|---|---|
| 3822574 | rocker lever actuator | actuator |
| 256837 | Air compressor air cleaner element (Cummins Two-Cylinder Only) | air_filter |
| 3375049 | Filter wrench | air_filter |
| 3377193 | Battery Tester, Part No. 3377193 | battery_tester |
| 3376000 | Injector puller, Part No. 3376000 | injector_puller |
| 3376497 | Injector puller, Part No. 3376497 | injector_puller |
| 3822575 | injector and valve adjustment kit | kit |
| 3379084 | PT Fuel Pump Rebuild and Calibrate Manual, Bulletin No. 3379084 | manual |
| 193736 | O-ring (3), Part No. 193736, has a green dot stripe. The ring is shiny black in appearance. | o_ring |
| 205216 | O-ring (2), Part No. 205216, has no markings. | o_ring |
| 3010510 | O-ring (1), Part No. 3010510, has a red dot or stripe. The o-ring is a dull gray in appearance. | o_ring |
| 3376592 | inch pound torque wrench | tool |
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 KTAA19-G12 has a displacement of 19.0 liters with 6 cylinders.
The Cummins/Onan KTAA19-G12 powers 1 generator set(s), including Cummins/Onan K19 series.