Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 1500 kW |
| Standby kVA | 1875 |
| Prime power | 1250 kW |
| Emissions | EPA Certified |
| Controller | DGC-2020 |
| Oil capacity | 178.0 L |
| Alternator | Marathon 742RSL4050 (4-pole, Class Class H insulation) |
| Voltage options | 480 V |
| Phase | 3 |
| Rated current | 2255 A |
| Power factor | 0.8 |
| Circuit breaker | 2255 A |
| Battery group | 1800 |
| Battery cranking | 1800 CCA |
| Battery voltage | 24 V |
| Battery quantity | 1 |
| Coolant capacity | 140.0 L |
| Max ambient | 93 °C |
| Dimensions (L×W×H) | 2438×12192×4137 mm |
| Dry weight | 21083 kg |
| Fuel tank | 900.0 L |
| Tank runtime | not specified hr |
Engine
| Oil capacity | 235.0 L |
|---|---|
| Coolant capacity | 113.0 L |
| Displacement | 50.3 L |
| Aspiration | Turbocharged and low temperature after-cooled |
| Rated speed | 113 rpm |
Filters for the Cummins/Onan QSK50-G4
1Engine-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 | |
|---|---|---|---|---|
| Fuel / water separator | P550849 | Fuel Filter, Water Separator Cartridge | CUMMINS 3944901S, NAPA 3763, BALDWIN PF7928, DAVCO 102526 | FridayParts $20.90 KuduParts $39.00 |
Same engine, other brands
1 brandThe Cummins/Onan QSK50-G4 in this set also powers 8 generator sets sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| Cummins/Onan | C1500 D6RG, DQGAA, DQGAB, DQGAB-5897093, DQGAB-6630738, DQGAB-6630740, DQGAB-7244871, QSK50-G4 |
Maintenance & consumables
for the Cummins/Onan QSK50-G4| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | ||||
| Oil filter | — | 222 hr | |||
| Battery | ×4 | — | |||
| Belt | — | ||||
| Coolant | 140.0 | — | |||
| Fuel | ASTM-D975/No.1 or No.2-D | — | |||
| Oil | 235.0 L | — | |||
| Spark plug | — |
Common questions
What size generator is the MQ Power 1500 kW Containerized Diesel Generator Set?
The MQ Power 1500 kW Containerized Diesel Generator Set is rated 1500 kW standby (1875.0 kVA).
What engine does the MQ Power 1500 kW Containerized Diesel Generator Set use?
The MQ Power 1500 kW Containerized Diesel Generator Set is powered by the Cummins/Onan QSK50-G4 engine.
What fuel does the MQ Power 1500 kW Containerized Diesel Generator Set use?
The MQ Power 1500 kW Containerized Diesel Generator Set runs on Diesel.
What's the oil capacity on a MQ Power 1500 kW Containerized Diesel Generator Set?
The Cummins/Onan QSK50-G4 engine in the MQ Power 1500 kW Containerized Diesel Generator Set has an oil capacity of 235.0 liters.
What is the cooling system capacity of the MQ Power 1500 kW Containerized Diesel Generator Set?
The MQ Power 1500 kW Containerized Diesel Generator Set cooling system holds 140 liters (37.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the continuous rating of the MQ Power 1500 kW Containerized Diesel Generator Set?
The MQ Power 1500 kW Containerized Diesel Generator Set is rated 1250 kW prime (1562 kVA), against 1500 kW standby.
How much does the MQ Power 1500 kW Containerized Diesel Generator Set weigh?
The MQ Power 1500 kW Containerized Diesel Generator Set has a dry weight of 21083 kg (46480 lb).
What size fuel tank does the MQ Power 1500 kW Containerized Diesel Generator Set have?
The MQ Power 1500 kW Containerized Diesel Generator Set has a 900 liter (238 US gallon) fuel tank, giving about not specified hours of runtime.
What voltage does the MQ Power 1500 kW Containerized Diesel Generator Set produce?
The MQ Power 1500 kW Containerized Diesel Generator Set is offered in 480 V, 3-phase.
How many cold cranking amps does the MQ Power 1500 kW Containerized Diesel Generator Set require?
The MQ Power 1500 kW Containerized Diesel Generator Set uses 1 battery, 24 V each, 1800 CCA, group 1800, per the manufacturer specification sheet.
Which alternator is fitted to the MQ Power 1500 kW Containerized Diesel Generator Set?
The MQ Power 1500 kW Containerized Diesel Generator Set uses a Marathon 742RSL4050 alternator. It has 4 poles. Insulation class Class H.
Parts
11| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 140-3963 | Cleaner, Air (Spec A-C Metal) | 2 | Air filter | Amazon |
| 149-2792 | Filter, Fuel | 1 | Fuel filter | Amazon eBay |
| 501-0970-01 | Line, Fuel | 1 | Hose | Amazon eBay |
| 503-1705 | Hose, Hump | 2 | Hose | Amazon eBay |
| 503-2754-01 | Hose, Oil | 1 | Hose | Amazon eBay |
| 503-2754-02 | Hose, Oil | 1 | Hose | Amazon eBay |
| 543-0088 | Package, Fuel Filter | 1 | Fuel filter | Amazon eBay |
| 6794600 | Washer, Sealing | 1 | Seal | Amazon eBay |
| AF2559300 | Air Cleaner replacement element (Nelson), for Air Cleaner Housing 140-3737 | 1 | Air filter | Amazon eBay |
| 102-1335 | Plug, Oil Drain | 1 | Service part / kit | Amazon eBay |
| 140-1548 | Indicator, Service | 1 | Service part / kit | Amazon eBay $49.99 NAPA $32.16 |
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 | 25% | 29.2 | 111.0 |
| Prime | 50% | 47.6 | 180.0 |
| Prime | 75% | 68.0 | 257.0 |
| Prime | 100% | 87.3 | 330.0 |
| Standby | 25% | 29.2 | 111.0 |
| Standby | 50% | 47.6 | 180.0 |
| Standby | 75% | 972.85 | 257.0 |
| Standby | 100% | 87.3 | 330.0 |
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.