The Cummins/Onan KTA 50 G3 is a 50.3 L 16-cylinder turbocharged-aftercooled engine rated at 1800 rpm, producing up to 1470 kW. It powers generator sets from Cummins/Onan, including the 1005 DFLC, 1120 DFLC, CP1400-6 and CS1600-6. It holds 254 L (67.1 gal) of oil and 351 L (92.7 gal) of coolant.
Part of the Cummins/Onan KTA 50 engine family — 3 variants share parts & fitment.
| Oil capacity | 254.0 L |
|---|---|
| Coolant capacity | 351.0 L |
| Displacement | 50.3 L |
| Cylinders | 16 |
| Aspiration | Turbocharged-Aftercooled |
| Rated speed | 1800 rpm |
| Gross power | 1470 kW |
| Part # | Description | Category |
|---|---|---|
| 140-1548 | Element, Air Cleaner | air_filter |
| 140-2501 | Cleaner, Air (Disposable) | air_filter |
| 140-2502 | Band, Mounting – Air Cleaner | air_filter |
| 502-1162 | Connector, Hose (3/8") | hose |
| 503-0685 | Clamp, Hose | hose |
| 503-1484 | Elbow, Hose (45 Deg) (7" ID) | hose |
| 503-1620 | Hose – Bulk (3/8" ID) (Order by the Foot) | hose |
| 503-1870-11 | Clamp, Hose | hose |
| 503-1870-12 | Clamp, Hose | hose |
| 140-1260 | Fitting, Safety Filter | other_service |
| 140-2508 | Tube, Air Inlet (7" x 9" - 3/4") | other_service |
| 140-2528 | Shield – Air In Heat | other_service |
| 309-0635-02 | Valve, Check | other_service |
| 503-1717 | Elbow, Reducer (45 Deg) (7" ID to 6" ID) | other_service |
| 503-1720 | Insert, Reducer (6" OD to 5-1/2" ID) | other_service |
| 505-0017 | Bushing, Pipe – Reducer (3/8" to 1/4") | other_service |
| 505-0376 | Elbow – 45 Deg (3/8") | other_service |
| 526-0030 | Washer, Flat (3/8") | other_service |
| 800-0055 | Screw, Cap – Hex Head (3/8–16 x 2-1/4") | other_service |
| 800-0094 | Screw, Cap – Hex Head (1/2–13 x 2") | other_service |
| 821-0029 | Screw, Self–Locking – Hex Washer Head (3/8–16 x 3/4") | other_service |
| 821-0033 | Screw, Self–Locking – Hex Washer Head (7/16–14 x 3/4") | other_service |
| 821-5004-03 | Screw, Self-Locking – Hex Washer Head (3/8–16 x 1") | other_service |
| 870-0281 | Nut, Self-Locking – Hex Washer Head (3/8–16) | 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 KTA 50 G3 engine has an oil capacity of 254.0 liters.
The Cummins/Onan KTA 50 G3 has a displacement of 50.3 liters with 16 cylinders.
The Cummins/Onan KTA 50 G3 powers 6 generator set(s), including Cummins/Onan 1005 DFLC, Cummins/Onan 1120 DFLC, Cummins/Onan CP1400-6, Cummins/Onan CS1600-6, Cummins/Onan DFLC.