The Cummins/Onan VTA-28-G3 is a 28 L engine. It powers generator sets from Cummins/Onan, including the VTA28-G3. It holds 22.3 L (5.9 gal) of oil and 85 L (22.5 gal) of coolant.
Also known as: Cummins VTA-28-G3
Part of the Cummins/Onan VTA-28 engine family — 3 variants share parts & fitment.
| Oil capacity | 22.3 L |
|---|---|
| Coolant capacity | 85.0 L |
| Displacement | 28.0 L |
How to read your Cummins/Onan engine serial & model number →
| Code | Meaning |
|---|---|
| SC-1609 | STOPPING SET AT CONTROL PANEL |
| SC-1610 | PERMISSIVE AUTOMATIC START SWITCH |
Fault codes and symptom→remedy steps extracted from this engine’s service/owner documentation; verify against the official manual before servicing.
| 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.
| Part # | Description | Category |
|---|---|---|
| M-1627 | BOLT DIAGRAM | battery |
| M-1761 | AIR CLEANERS | cleaner |
| EXS-1583-3 | CONTROL HEATER | control_heater |
| CS-1075-1 | COOLANT FILTERS | coolant_filter |
| CS-1367-2 | TYPICAL COOLANT HEATER | coolant_heater |
| ES-1779-1 | VOLTAGE REGULATOR AND EXCITATION SWITCH | excitation_switch |
| EXS-1036-1 | RAIN CAP | other_service |
| M-1808-4 | TYPICAL INSTALLATION | other_service |
| M-1759 | INJECTION PUMP | pump |
| M-1760 | PRE-HIGH AND HIGH COOLANT TEMPERATURE SENSOR | sensor |
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 VTA-28-G3 engine has an oil capacity of 22.3 liters.
The Cummins/Onan VTA-28-G3 has a displacement of 28.0 liters.
The Cummins/Onan VTA-28-G3 powers 1 generator set(s), including Cummins/Onan VTA28-G3.