Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 42 kW |
| Standby kVA | 53 |
| Prime power | 37 kW |
| Emissions | EPA Tier 3 |
| Oil capacity | 7.9 L |
| Battery voltage | 12 V |
| Coolant capacity | 13 L |
| Max ambient | 55 °C |
| Dimensions (L×W×H) | 1237×795×1002 mm |
| Dry weight | 333 kg |
Engine
| Oil capacity | 7.9 L |
|---|---|
| Coolant capacity | 13.0 L |
| Displacement | 3.3 L |
| Aspiration | Turbocharged & Charge Air Cooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Cummins/Onan 4BTAA3.3-G18| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Normal Duty element with restriction indicator | — | |||
| Fuel filter | Spin on fuel filters with water separator | — | |||
| Oil filter | Spin on full flow filter | — | |||
| Coolant | 13.0 l | — | |||
| Oil | 7.9 l | — |
Service intervals
1| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| valve clearance | Check | 2000 hr | First service — Valve clearance checks not required until 2,000 hours, twice the industry standard |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | 50% (Ethylene Glycol) : 50% (Water) | 13.0 l | Jacket Water cooled cooling system design |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What size generator is the Cummins/Onan 4BTAA3.3-G18?
The Cummins/Onan 4BTAA3.3-G18 is rated 42 kW standby (53.0 kVA).
What engine does the Cummins/Onan 4BTAA3.3-G18 use?
The Cummins/Onan 4BTAA3.3-G18 is powered by the Cummins/Onan 4BTAA3.3-G18 engine.
What kind of fuel does the Cummins/Onan 4BTAA3.3-G18 run on?
The Cummins/Onan 4BTAA3.3-G18 runs on diesel.
How much oil does the Cummins/Onan 4BTAA3.3-G18 take?
The Cummins/Onan 4BTAA3.3-G18 engine in the Cummins/Onan 4BTAA3.3-G18 has an oil capacity of 7.9 liters.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Continuous | 100% | 12.0 | 3.1 |
| Prime | 25% | 4.0 | 0.9 |
| Prime | 50% | 6.0 | 1.6 |
| Prime | 75% | 10.0 | 2.5 |
| Prime | 100% | 13.0 | 3.4 |
| Standby | 100% | 14.0 | 3.8 |
Available documents
Engine spec — 0064178 (Cummins/Onan)