The Cummins/Onan KTA 19G is a 18.8 L natural gas engine rated at 1800 rpm. It powers generator sets from Cummins/Onan, including the C275N6 and GFEB. It holds 61 L (16.1 gal) of oil and 76 L (20.1 gal) of coolant.
Also known as: Cummins KTA 19G
| Oil capacity | 61.0 L |
|---|---|
| Coolant capacity | 76.0 L |
| Displacement | 18.8 L |
| Aspiration | Natural Gas |
| Rated speed | 1800 rpm |
How to read your Cummins/Onan engine serial & model number →
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | ||||
| Oil filter | — | ||||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | — | ||||
| Oil | — | ||||
| Spark plug | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | Battery charging alternator | 37 | amps | |
| Other | Cranking current | 880 | amps | at ambient temp of 0 °C (32 °F) |
| Other | Frequency regulation | Isochronous | ||
| Other | Random frequency variation | ±0.5 | % | |
| Other | Regenerative power | 33 | kW | |
| Pressure | Fuel inlet pressure at GenSet connection | 356 to 508 | mm WC (14 to 20 in. WC) | |
| Pressure | Silencer back pressure (factory enclosed units only) | 5.6 | mm Hg (.22 in. Hg) | Factory enclosed units only |
| Pressure | Total system back pressure allowed | 51 | mm Hg (2 in. Hg) | |
| Speed | Overspeed limit | 2100 | rpm | |
| Temperature | Standard temperature rise (alternator) | 125 | °C | |
| Voltage | Random voltage variation | ±1 | % | Three-phase only |
| Voltage | Voltage regulation, no load to full load | ±1 | % |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Fuel | NG (natural gas) | Fuel inlet pressure at GenSet connection: 356 to 508 mm WC (14 to 20 in. WC) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
The Cummins/Onan KTA 19G engine has an oil capacity of 61.0 liters.
The Cummins/Onan KTA 19G has a displacement of 18.8 liters.
The Cummins/Onan KTA 19G powers 3 generator set(s), including Cummins/Onan C275N6, Cummins/Onan GFEB, Cummins/Onan KTA 19G.