Specifications
| Fuel | diesel |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 44 kW |
| Standby kVA | 55 |
| Prime power | 40 kW |
| Oil capacity | 7.5 L |
Engine
| Oil capacity | 7.5 L |
|---|---|
| Displacement | 3.3 L |
| Aspiration | turbocharged |
| Rated speed | 1500 rpm |
Filters for the Cummins/Onan 4BT3.3-G3
2Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.
Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P550335 | Lube Filter, Spin-On Full Flow | NAPA 1348, NAPA 400068, NAPA 61348, WALGAHN-MOTORENTECHN 00811297 | KuduParts $97.00 FridayParts $114.25 |
| Fuel / water separator | P502566 | Fuel Filter, Water Separator Spin-On | CUMMINS 4941237, BALDWIN BF9923-O, SCARAB SWEEPERS 36195, DYNAPAC 4700950301 | KuduParts $44.00 FridayParts $46.00 |
Maintenance & consumables
for the Cummins/Onan 4BT3.3-G3| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Battery | Group Number: CCA (minimum) Cold Soak @ 0° F (-18° C) | — |
Service intervals
2| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| valve clearance | Check | 2000 hr | B-Series (4BT3.3): valve clearance checks not required for 2000 hours, twice the industry standard | |
| engine overhaul | Other | 20000 hr | QSK23-Series: expected life cycle to 20,000 hours before first overhaul |
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 4BT3.3-G3?
The Cummins/Onan 4BT3.3-G3 is rated 44 kW standby (55.0 kVA).
What engine is in the Cummins/Onan 4BT3.3-G3?
The Cummins/Onan 4BT3.3-G3 is powered by the Cummins/Onan 4BT3.3-G3 engine.
What fuel does the Cummins/Onan 4BT3.3-G3 use?
The Cummins/Onan 4BT3.3-G3 runs on diesel.
What is the oil capacity of the Cummins/Onan 4BT3.3-G3?
The Cummins/Onan 4BT3.3-G3 engine in the Cummins/Onan 4BT3.3-G3 has an oil capacity of 7.5 liters.
What is the prime power rating of the Cummins/Onan 4BT3.3-G3?
The Cummins/Onan 4BT3.3-G3 is rated 40 kW prime (50 kVA), against 44 kW standby.
Parts
3| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 0908-0101 | Lead Acid Battery | 1 | Battery | Amazon eBay |
| 0908-0107 | Radiator Information | 1 | Service part / kit | Amazon eBay |
| 0908-0110 | Health and Safety (Diesel Generator Sets) | 1 | Service part / kit | Amazon eBay NAPA $5.89 |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
This page was generated from the 3 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.