Service parts for the CG800C2
Grouped by system, with how many of each the parts manual calls for.
Electrical
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 800 kW |
| Standby kVA | 1000 |
| Prime power | 725 kW |
| Emissions | Tier 2 |
| Controller | PowerCommand |
| Oil capacity | 102.0 L |
| Alternator | Stamford/AvK HC6G (4-pole, Class H insulation) |
| Voltage options | 480 V |
| Phase | 3 |
| Rated current | 1090 A |
| Power factor | 0.8 |
| Battery cranking | 1425 CCA |
| Battery voltage | 24 V |
| Coolant capacity | 201 L |
| Dimensions (L×W×H) | 9144×2438×4137 mm |
| Fuel tank | 3785.0 L |
Engine
| Oil capacity | 102.0 L |
|---|---|
| Coolant capacity | 109.5 L |
| Displacement | 23.15 L |
| Aspiration | Turbocharged and low temperature after-cooled |
| Rated speed | 1800 rpm |
Filters for the Cummins/Onan QSK23-G7 NR2
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.
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Fuel / water separator | P552006 | Fuel Filter, Water Separator Spin-On Twist&Drain | CUMMINS 3089916, CUMMINS 4095189, NAPA 3645, BALDWIN BF1262 | FridayParts $42.88 |
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 | P551670 | Lube Filter, Spin-On Full Flow | CUMMINS 298670, CUMMINS 299670, NAPA 1970, CARBOCOL 0026 | FridayParts $26.68 |
Same engine, other brands
1 brandThe Cummins/Onan QSK23-G7 NR2 in this set also powers 7 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 | 600 DQCA, 750 DQCB, 800 DQCC, 800DQCC-A034N301, DQCA, DQCB, DQCC |
Maintenance & consumables
for the Cummins/Onan QSK23-G7 NR2| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry, Dual Element | — | 500 hr | ||
| Fuel filter | 30 micron Racor ® fuel/water separator filter | — | 500 hr | ||
| Oil filter | 4 Spin-on, Full Flow | — | 500 hr | ||
| Battery | 10Amp, 120/208/240VAC, 12/24V, 50/60Hz | A048G602 | 500 hr | eBay | |
| Belt | Belt Driven, Centrifugal | — | |||
| Coolant | -45 | 109.5 | — | ||
| Oil | Oil level is full | 102.0 | — | ||
| Spark plug | not specified | — |
Common questions
What size generator is the MQ Power CG800C2?
The MQ Power CG800C2 is rated 800 kW standby (1000.0 kVA).
What engine does the MQ Power CG800C2 use?
The MQ Power CG800C2 is powered by the Cummins/Onan QSK23-G7 NR2 engine.
What kind of fuel does the MQ Power CG800C2 run on?
The MQ Power CG800C2 runs on diesel.
What is the oil capacity of the MQ Power CG800C2?
The Cummins/Onan QSK23-G7 NR2 engine in the MQ Power CG800C2 has an oil capacity of 102.0 liters.
How much coolant does the MQ Power CG800C2 hold?
The MQ Power CG800C2 cooling system holds 201 liters (53.1 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the MQ Power CG800C2?
The MQ Power CG800C2 is rated 725 kW prime (906 kVA), against 800 kW standby.
What size fuel tank does the MQ Power CG800C2 have?
The MQ Power CG800C2 has a 3785 liter (1000 US gallon) fuel tank.
What voltage does the MQ Power CG800C2 produce?
The MQ Power CG800C2 is offered in 480 V, 3-phase.
What battery does the MQ Power CG800C2 use?
The MQ Power CG800C2 uses 24 V each, 1425 CCA, per the manufacturer specification sheet.
What alternator comes on the MQ Power CG800C2?
The MQ Power CG800C2 uses a Stamford/AvK HC6G alternator. It has 4 poles. Insulation class H.
Parts
10| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 501-0876 | Line, Fuel Cooler Return (Bearward Cooling System, not shown) | 1 | Hose | Amazon eBay |
| 501-0877 | Line, Fuel Supply (Engine Accessories group) | 1 | Hose | Amazon eBay |
| 501-0892 | Line, Fuel Cooler Supply (Bearward Cooling System, not shown) | 1 | Hose | Amazon eBay |
| 503-1675 | Hose, Reducer (Air Cleaner group) | 1 | Hose | Amazon eBay |
| 503-2754-01 | Hose, Oil | 1 | Hose | Amazon eBay |
| A053A190 | Hose, Oil (Valve group) | 1 | Hose | Amazon eBay |
| A055E534 | Switch, Level (low coolant level warning) | 1 | Sensor | Amazon eBay |
| A059Z452 | Seal, O Ring (Valve group) | 1 | Seal | Amazon eBay |
| AF2559300 | Air Cleaner replacement element (Nelson), for Air Cleaner Housing 140-3737 | 1 | Air filter | 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% | 58.7 | 15.5 |
| Prime | 50% | 104.1 | 27.5 |
| Prime | 75% | 143.8 | 38.0 |
| Prime | 100% | 181.7 | 48.0 |
| Standby | 25% | 64.4 | 17.0 |
| Standby | 50% | 109.8 | 29.0 |
| Standby | 75% | 155.2 | 41.0 |
| Standby | 100% | 200.6 | 53.0 |
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.