Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 51 kW |
| Standby kVA | 64 |
| Prime power | 48 kW |
| Controller | PCL |
| Oil capacity | 9.5 L |
| Alternator | 4BT3.9G1 |
| Voltage options | 220 V, 480 V, 60 V |
| Phase | Three |
| Rated current | 51 A |
| Power factor | 0.8 |
| Circuit breaker | 51 A |
| Battery group | 165 A/hr |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 21.0 L |
| Max ambient | 40 °C |
| Fuel tank | 197.0 L |
Engine
| Oil capacity | 11.5 L |
|---|---|
| Coolant capacity | 21.0 L |
| Displacement | 3.92 L |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
Filters for the Cummins/Onan 4BT3.9 G1
7Engine-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.
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P558616 | Lube Filter, Spin-On Full Flow | CUMMINS 3290712, CUMMINS 3890709, NAPA 1602, BALDWIN BT427 | KuduParts $11.00 FridayParts $13.20 |
| Oil filter | P550939 | Lube Filter, Spin-On Full Flow | CUMMINS 148459, CUMMINS 162097, NAPA 1521, NAPA 21521 | FridayParts $23.20 |
| Fuel filter | P550440 | Fuel Filter, Spin-On Secondary | CUMMINS 3831063, CUMMINS 3890707, NAPA 3358, BALDWIN BF788 | FridayParts $356.80 |
| Fuel filter | P553004 | Fuel Filter, Spin-On | CUMMINS 3903640, CUMMINS 53C0045, NAPA 3358, RENAULT VI 0000150564 | FridayParts $18.20 |
| Fuel / water separator | P551329 | Fuel Filter, Water Separator Spin-On Twist&Drain | CUMMINS 11E170210, CUMMINS 3890063, NAPA 3357, BALDWIN BF1280 | FridayParts $151.00 |
| Fuel / water separator | P550248 | Fuel Filter, Water Separator Spin-On Twist&Drain | CUMMINS 1492827, CUMMINS 3286503, NAPA 3472, BALDWIN BF1226 | FridayParts $229.00 |
| Coolant filter | P554071 | Coolant Filter, Spin-On | CUMMINS 209604, CUMMINS 209606, NAPA 4071, WALGAHN-MOTORENTECHN 00811412 | FridayParts $397.60 |
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air cleaner with dry element and restriction indicator | — | |||
| Fuel filter | Spin-on paper element fuel filters | — | |||
| Oil filter | Spin-on full flow lube oil filter | — | |||
| Battery | Lead acid batteries, cable and fitted tray | — | |||
| Belt | Dual flexible fuel lines and connectors | — | |||
| Spark plug | Spark plugs | ×1 | — |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Common questions
What size generator is the Cummins/Onan 48 DGCA?
The Cummins/Onan 48 DGCA is rated 51 kW standby (64.0 kVA).
What engine is in the Cummins/Onan 48 DGCA?
The Cummins/Onan 48 DGCA is powered by the Cummins/Onan 4BT3.9 G1 engine.
What fuel does the Cummins/Onan 48 DGCA use?
The Cummins/Onan 48 DGCA runs on Diesel.
What's the oil capacity on a Cummins/Onan 48 DGCA?
The Cummins/Onan 4BT3.9 G1 engine in the Cummins/Onan 48 DGCA has an oil capacity of 11.5 liters.
How much coolant does the Cummins/Onan 48 DGCA hold?
The Cummins/Onan 48 DGCA cooling system holds 21 liters (5.5 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the continuous rating of the Cummins/Onan 48 DGCA?
The Cummins/Onan 48 DGCA is rated 48 kW prime (60 kVA), against 51 kW standby.
What size fuel tank does the Cummins/Onan 48 DGCA have?
The Cummins/Onan 48 DGCA has a 197 liter (52 US gallon) fuel tank.
What voltages is the Cummins/Onan 48 DGCA available in?
The Cummins/Onan 48 DGCA is offered in 220 V, 480 V, 60 V, Three-phase.
What battery does the Cummins/Onan 48 DGCA use?
The Cummins/Onan 48 DGCA uses 1 battery, 12 V each, group 165 A/hr, per the manufacturer specification sheet.
What alternator does the Cummins/Onan 48 DGCA use?
The Cummins/Onan 48 DGCA uses a 4BT3.9G1 alternator.
Parts
2| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 982-0200 | Air Filter | 6 | Air filter | Amazon eBay |
| 965-0520 | Cooling Fan | 37 | Service part / kit | Amazon eBay |
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.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 100% | 12.8 | 33.8 |
| Standby | 100% | 14.5 | 38.3 |
Available documents
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.