The Cummins/Onan 6CTAA8.3 is a 8.3 L 6-cylinder turbocharged, air-cooled engine rated at 2000 rpm, producing up to 192 kW. It powers generator sets from Cummins/Onan, including the 6CTAA8.3-G7 and DGFC. It holds 31.7 L (8.4 gal) of oil and 34.1 L (9.0 gal) of coolant.
Also known as: Cummins 6CTAA8.3
Part of the Cummins/Onan 6CTAA8.3 engine family — 4 variants share parts & fitment.
| Oil capacity | 31.7 L |
|---|---|
| Coolant capacity | 34.1 L |
| Displacement | 8.3 L |
| Cylinders | 6 |
| Aspiration | turbocharged, air-cooled |
| Rated speed | 2000 rpm |
| Gross power | 192 kW |
This engine also powers 4 machine(s) on Power Equipment Info.
| Part # | Description | Category |
|---|---|---|
| 503-0446 | Clamp, Hose | clamp |
| 503-1134 | Clamp, Hose | clamp |
| 405-5832 | Door, Housing | door |
| 406-0831 | Hinge, Door | hinge |
| 155-3150-04 | Muffler, Critical | muffler |
| 155-3164-05 | Muffler, Critical | muffler |
| 502-0047 | Nipple, Pipe (1/4) | nipple |
| 928-0502B | other_service | |
| 928-0506 | other_service | |
| 960-0504A | other_service | |
| 960-0505 | other_service | |
| 960-12 | other_service | |
| 405-5908 | Panel, Side - Radiator Housing | panel |
| 405-5917 | Panel, End - Roof | panel |
| 155-3164-01 | Pipe, Exhaust | pipe |
| 405-5744 | Post, Housing - Center | post |
| 405-5916 | Post, Corner - Housing | post |
| 800-2072 | Screw, Cap - Hex Head (M8 x 1.25 x 100) | screw |
| 821-6003-02 | Screw, Cap - Hex Head | screw |
| A028Z105 | Sender, Low Coolant | sender |
| 526-0451 | Washer, Flat - Stainless Steel (M8) | washer |
| 319-2653 | Window, Control (If Equipped) | window |
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 6CTAA8.3 engine has an oil capacity of 31.7 liters.
The Cummins/Onan 6CTAA8.3 has a displacement of 8.3 liters with 6 cylinders.
The Cummins/Onan 6CTAA8.3 powers 2 generator set(s), including Cummins/Onan 6CTAA8.3-G7, Cummins/Onan DGFC.