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Cummins/Onan C200D6R Generator Set

The Cummins/Onan C200D6R is a 200 kW (250 kVA) diesel standby generator set powered by a Cummins/Onan QSB7-G5 engine. It is available at 208 V, 240 V, 480 V and 600 V, 3-phase and 60 Hz. It holds about 17.4 L (4.6 gal) of oil and 22 L (5.8 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 2 batteries rated 750 CCA at 12 V. The set measures 3700×1450×1700 mm (145.7×57.1×66.9 in), weighs about 2721 kg (5999 lb) and produces 70.5 dBA at 7 m. An integrated tank holds 965 L (254.9 gal), roughly 20 hours of runtime.

200 kW
Standby
6.7 L
Displacement
17.4 L
Oil capacity
1
Document types

How to read your Cummins/Onan serial & model number →

Typical fuel consumption for 200–205 kW Diesel generators →

Compare with other 200–205 kW Diesel generators →

Service parts for the C200D6R

Grouped by system, with how many of each the parts manual calls for.

Air intake

1 required

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

Fueldiesel
Frequency60.0 Hz
Standby power200 kW
Standby kVA250
Prime power180 kW
EmissionsTier III
ControllerPowerCommand
Oil capacity17.4 L
AlternatorStamford/AvK UCDI274J (4-pole, Class H insulation)
Voltage options208 V, 240 V, 480 V, 600 V
Phase3
Power factor0.8
Circuit breaker800 A
Battery cranking750 CCA
Battery voltage12 V
Battery quantity2
Max ambient50 °C
Dimensions (L×W×H)3700×1450×1700 mm
Dry weight2721 kg
Sound level70.5 dBA @ 7 m
Fuel tank965.0 L
Tank runtime20 hr

Engine

Cummins/Onan QSB7-G5
Oil capacity17.4 L
Coolant capacity22.0 L
Displacement6.7 L
AspirationTurbocharged and charge air cooled
Rated speed1500 rpm

Filters for the Cummins/Onan QSB7-G5

1

Engine-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.

SystemFilterDescriptionCross-references
Oil filterP550428Lube Filter, Spin-On Full FlowCUMMINS 3937144, CUMMINS 3937736, NAPA 7182, TEREX 0704970120 KuduParts $61.00 FridayParts $62.99

Maintenance & consumables

for the Cummins/Onan QSB7-G5
ItemSpecCapacityPart #Interval
Air filterFilter, Air − Normal DutyA047M180 Amazon eBay $248.27
Fuel filterStrata pore fuel filter—500 hr
Oil filterStrata pore lube oil filter—1000 hr
BatteryBattery Isolator- Genset Power system battery cut off switch, Ensuring greater protection and easy serviceability during maintenance—
Belt—1000 hr
Coolant26.95—
Oil18.9—
Spark plug—500 hr

Common questions

What size generator is the Cummins/Onan C200D6R?

The Cummins/Onan C200D6R is rated 200 kW standby (250.0 kVA).

What engine is in the Cummins/Onan C200D6R?

The Cummins/Onan C200D6R is powered by the Cummins/Onan QSB7-G5 engine.

What kind of fuel does the Cummins/Onan C200D6R run on?

The Cummins/Onan C200D6R runs on diesel.

How much oil does the Cummins/Onan C200D6R take?

The Cummins/Onan QSB7-G5 engine in the Cummins/Onan C200D6R has an oil capacity of 17.4 liters.

What is the coolant capacity of the Cummins/Onan C200D6R?

The Cummins/Onan C200D6R cooling system holds 22 liters (5.8 US gallons) for the engine, per the manufacturer specification sheet.

What is the prime power rating of the Cummins/Onan C200D6R?

The Cummins/Onan C200D6R is rated 180 kW prime (225 kVA), against 200 kW standby.

What is the sound level of the Cummins/Onan C200D6R?

The Cummins/Onan C200D6R is rated at 70.5 dBA at 7 m, per the manufacturer specification sheet.

What is the dry weight of the Cummins/Onan C200D6R?

The Cummins/Onan C200D6R has a dry weight of 2721 kg (5998 lb).

What size fuel tank does the Cummins/Onan C200D6R have?

The Cummins/Onan C200D6R has a 965 liter (255 US gallon) fuel tank, giving about 20 hours of runtime.

What voltage does the Cummins/Onan C200D6R produce?

The Cummins/Onan C200D6R is offered in 208 V, 240 V, 480 V, 600 V, 3-phase.

How many cold cranking amps does the Cummins/Onan C200D6R require?

The Cummins/Onan C200D6R uses 2 batteryies, 12 V each, 750 CCA, per the manufacturer specification sheet.

What alternator comes on the Cummins/Onan C200D6R?

The Cummins/Onan C200D6R uses a Stamford/AvK UCDI274J alternator. It has 4 poles. Insulation class H.

Which air filter part number does the Cummins/Onan C200D6R take?

The Cummins/Onan C200D6R uses air filter part number A047M180.

Parts

4
Part #DescriptionQtySystem
4915973Alternator ManualAlternator Amazon eBay
A047M180Filter, Air − Normal Duty1Air filter Amazon eBay $248.27
A054E584Filter, Air − Heavy Duty1Air filter Amazon eBay
A055Z870Filter, Air − Replacement − Heavy Duty1Air filter Amazon eBay $251.32

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

RatingLoadL/hgal/h
Prime25%17.04.5
Prime50%29.57.8
Prime75%41.310.9
Prime100%49.213.0
Standby25%18.95.0
Standby50%36.09.5
Standby75%48.812.9
Standby100%56.014.8

Available documents

Spec sheet — s-1616 (Cummins/Onan)

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.

Full service, cheapest listings

Priced items from this model's own parts manual.

Air filter A047M180$248.27
1 priced item$248.27