Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 525 kW |
| Standby kVA | 654 |
| Prime power | 500 kW |
| Emissions | Tier 4 Final |
| Controller | Basler DGC2020HD |
| Oil capacity | 18.9 L |
| Alternator | Marathon 432RSL4015 |
| Voltage options | 208 V, 480 V |
| Phase | 3 |
| Circuit breaker | 1000 A |
| Battery group | Group-27 |
| Battery voltage | 24 V |
| Battery quantity | 4 |
| Coolant capacity | 53 L |
| Max ambient | 40 °C |
| Dimensions (L×W×H) | 9144×2438×4140 mm |
| Fuel tank | 3785.4 L |
| Tank runtime | 24 hr |
Engine
| Oil capacity | 18.9 L |
|---|---|
| Coolant capacity | 53.0 L |
| Displacement | 8.9 L |
| Aspiration | turbocharged and after-cooled |
| Rated speed | 1800 rpm |
Filters for the Cummins/Onan QSL9-G9
4Engine-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 | P553000 | Lube Filter, Spin-On Full Flow | CUMMINS 3318853, CUMMINS 3825970, NAPA 1748, NAPA 1748XD | FridayParts $125.00 |
| Fuel filter | P550774 | Fuel Filter, Spin-On | CUMMINS 3959612, CUMMINS 5301448, HYUNDAI 11LB70020, WIRTGEN 195744 | KuduParts $34.00 FridayParts $35.90 |
| Fuel / water separator | P550848 | Fuel Filter, Water Separator Spin-On Twist&Drain | CUMMINS 3973233, CUMMINS 4931955, NAPA 3732, LINDE 0019830505 | FridayParts $50.99 |
| Coolant filter | P552071 | Coolant Filter, Spin-On Sca Plus | CUMMINS 299080, CUMMINS 299880, NAPA 4071, TORO 012706560 | FridayParts $37.53 |
Same engine, other brands
1 brandThe Cummins/Onan QSL9-G9 in this set also powers 1 generator set 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 | C275 D2Re |
Common questions
What is the power rating of the MQ Power CG250DUAL?
The MQ Power CG250DUAL is rated 525 kW standby (654.0 kVA).
What engine is in the MQ Power CG250DUAL?
The MQ Power CG250DUAL is powered by the Cummins/Onan QSL9-G9 engine.
Is the MQ Power CG250DUAL diesel or gas?
The MQ Power CG250DUAL runs on diesel.
How much oil does the MQ Power CG250DUAL take?
The Cummins/Onan QSL9-G9 engine in the MQ Power CG250DUAL has an oil capacity of 18.9 liters.
How much coolant does the MQ Power CG250DUAL hold?
The MQ Power CG250DUAL cooling system holds 53 liters (14.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the MQ Power CG250DUAL?
The MQ Power CG250DUAL is rated 500 kW prime (625 kVA), against 525 kW standby.
How big is the fuel tank on the MQ Power CG250DUAL?
The MQ Power CG250DUAL has a 3785.4 liter (1000 US gallon) fuel tank, giving about 24 hours of runtime.
What voltages is the MQ Power CG250DUAL available in?
The MQ Power CG250DUAL is offered in 208 V, 480 V, 3-phase.
How many cold cranking amps does the MQ Power CG250DUAL require?
The MQ Power CG250DUAL uses 4 batteryies, 24 V each, group Group-27, per the manufacturer specification sheet.
What alternator comes on the MQ Power CG250DUAL?
The MQ Power CG250DUAL uses a Marathon 432RSL4015 alternator.
Parts
59| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 0518-0548-15 | Clamp | 11 | Clamp | Amazon eBay |
| 0518-0548-22 | Clamp | 1 | Clamp | Amazon eBay |
| 0518-0548-29 | Clamp | 5 | Clamp | Amazon eBay |
| 0518-0548-35 | Clamp | 1 | Clamp | Amazon eBay |
| 0821-0016 | Screw, Locking | 3 | Screw | Amazon eBay |
| 0821-0029 | Screw, Locking | 4 | Screw | Amazon eBay |
| 0821-6002-03 | Screw, Hex Head | 4 | Screw | Amazon eBay |
| 0821-6003-01 | Screw, Hex Head | 1 | Screw | Amazon eBay |
| A030Y648 | Edging, Seal | 3.304 | Seal | Amazon eBay |
| A045J792 | Pump, Doser (See Page 70 for Components) | 1 | Pump | Amazon eBay |
| A045P359 | Hose, DEF | 1 | Hose | Amazon eBay |
| A045P417 | Hose, DEF | 1 | Hose | Amazon eBay |
| A046D072 | Strap, Tank | 2 | Strap | Amazon eBay |
| A047A980 | Heater, Blanket | 1 | Heater | Amazon eBay |
| A047V572 | Seal, Weather | 1 | Seal | Amazon eBay |
| A049G884 | Tank, DEF Complete (Includes Header and Heated Blanket) (See Page 66 for Components) | 1 | Tank | Amazon eBay |
| A051B439 | Hose, DEF | 1 | Hose | Amazon eBay |
| A052T655 | Gasket | 4 | Gasket | Amazon eBay |
| A054S414 | Seal, Door | 2 | Seal | Amazon eBay |
| A054S416 | Seal, Door | 2 | Seal | Amazon eBay |
| A056F113 | Clamp | 1 | Clamp | Amazon eBay |
| A030X751 | Box | 1 | Service part / kit | Amazon eBay |
| A030Y642 | Hinge | 12 | Service part / kit | Amazon eBay |
| A031A954 | Panel, Enclosure | 1 | Service part / kit | Amazon eBay |
| A034N673 | Grill, Enclosure | 2 | Service part / kit | Amazon eBay |
| A034N943 | Bolt, Carriage | 48 | Service part / kit | Amazon eBay |
| A034P011 | Bolt, Carriage | 4 | Service part / kit | Amazon eBay $74.95 |
| A034P012 | Washer, Flat | 27 | Service part / kit | Amazon eBay |
| A034P026 | Screw, Hex Flange Head | 12 | Service part / kit | Amazon eBay |
| A034P039 | Nut | 6 | Service part / kit | Amazon eBay |
| A034P108 | Screw, Hex Flange Head | 103 | Service part / kit | Amazon eBay |
| A035H898 | Screw, Hex Head | 25 | Service part / kit | Amazon eBay |
| A035P345 | Lead, Electrical | 2 | Service part / kit | Amazon eBay |
| A041D550 | Header, Door | 2 | Service part / kit | Amazon eBay |
| A041E195 | Panel, Enclosure | 1 | Service part / kit | Amazon eBay |
| A041E396 | Panel, Enclosure | 1 | Service part / kit | Amazon eBay |
| A041E596 | Header, Door | 2 | Service part / kit | Amazon eBay |
| A041E928 | Post, Enclosure | 1 | Service part / kit | Amazon eBay |
| A041M317 | Door, Control | 1 | Service part / kit | Amazon eBay |
| A041S526 | Insulation, Door | 1 | Service part / kit | Amazon eBay |
| A046F214 | Panel, Enclosure | 1 | Service part / kit | Amazon eBay |
| A046F238 | Panel, Enclosure | 1 | Service part / kit | Amazon eBay |
| A047V570 | Panel, Window | 1 | Service part / kit | Amazon eBay |
| A052S411 | Latch | 4 | Service part / kit | Amazon eBay |
| A053J589 | Screw, Hex Head | 27 | Service part / kit | Amazon eBay |
| A053J591 | Screw, Hex Head | 34 | Service part / kit | Amazon eBay |
| A053T433 | Padlock, Attachment | 4 | Service part / kit | Amazon eBay |
| A055G556 | Screw, Socket Head | 4 | Service part / kit | Amazon eBay |
| A056C784 | Latch, Mechanical | 2 | Service part / kit | Amazon eBay |
| A056H470 | Hinge | 12 | Service part / kit | Amazon eBay |
| A056M306 | Bolt, Carriage | 48 | Service part / kit | Amazon eBay |
| A063L015 | Door, Enclosure | 1 | Service part / kit | Amazon eBay |
| A063L064 | Header, Door | 2 | Service part / kit | Amazon eBay |
| A063L069 | Header, Door | 2 | Service part / kit | Amazon eBay |
| A063L072 | Panel, Enclosure | 1 | Service part / kit | Amazon eBay |
| A063L080 | Panel, Enclosure | 1 | Service part / kit | Amazon eBay |
| A064U218 | Cover, Electrical Connector | 1 | Service part / kit | Amazon eBay |
| A072Y708 | Door, Enclosure | 1 | Service part / kit | Amazon eBay |
| A072Y709 | Panel, Enclosure | 1 | 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 | 25% | 23.0 | 6.0 |
| Prime | 50% | 39.0 | 10.3 |
| Prime | 75% | 56.0 | 14.8 |
| Standby | 100% | 72.0 | 19.1 |
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.