HomeCummins/OnanCummins/Onan C800 D6

Cummins/Onan C800 D6 Generator Set

The Cummins/Onan C800 D6 is a 725 kW standby generator set powered by a Cummins/Onan QSK23 engine. It is available at 120/208 V, 240/416 V, 127/220 V, 255/440 V, 220/380 V and 230/380 V, A (U), B (V), C (W) and 60 Hz. It holds about 12 L (3.2 gal) of oil and 12 L (3.2 gal) of coolant. Starting uses battery rated 1800 CCA. The set measures 4220×1855×2148 mm (166.1×73.0×84.6 in) and weighs about 6307 kg (13905 lb).

725 kW
Standby
23.0 L
Displacement
12.0 L
Oil capacity
1
Document types

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

Service parts for the C800 D6

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

Air intake

1 required

Fuel system

1 required
FS1006Fuel filter$29.99eBay

Oil system

1 required

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

Specifications

Frequency60.0 Hz
Standby power725 kW
ControllerPowerCommand
Oil capacity12.0 L
Voltage options120/208 V, 240/416 V, 127/220 V, 255/440 V, 220/380 V, 230/380 V
PhaseA (U), B (V), C (W)
Battery cranking1800 CCA
Dimensions (L×W×H)4220×1855×2148 mm
Dry weight6307 kg

Engine

Cummins/Onan QSK23
Oil capacity12.0 L
Coolant capacity12.0 L
Displacement23.0 L
AspirationTurbocharged
Rated speed1500 rpm

Maintenance & consumables

for the Cummins/Onan QSK23
ItemSpecCapacityPart #Interval
Air filterAF25544AF25544 Amazon $1537.19 eBay $285.93
Fuel filter(1) primary element AF25544; (1) secondary element AF25545, (2) Cummins Filtration FS1006500 hr
Fuel filterFS1006FS1006 Amazon $33.95 eBay $29.99
Oil filterCummins QuickServe® CommitmentLF9325250 hr Amazon eBay $127.04 KuduParts $74.00
Battery24V, 1400 CCA, 460 minutes reserve capacity500 hr
BeltSteel, flanged; Stainless steel flex, NPT15000 hr
CoolantAntifreeze 50/50 (Ethylene glycol)24000 hr
Coolant filterCummins Filtration WF2076500 hr
OilCummins QuickServe® Commitment250 hr
Spark plug500 hr

Common questions

What is the power rating of the Cummins/Onan C800 D6?

The Cummins/Onan C800 D6 is rated 725 kW standby.

What engine is in the Cummins/Onan C800 D6?

The Cummins/Onan C800 D6 is powered by the Cummins/Onan QSK23 engine.

What is the oil capacity of the Cummins/Onan C800 D6?

The Cummins/Onan QSK23 engine in the Cummins/Onan C800 D6 has an oil capacity of 12.0 liters.

Which oil filter part number does the Cummins/Onan C800 D6 take?

The Cummins/Onan C800 D6 uses oil filter part number LF9325.

Which fuel filter part number does the Cummins/Onan C800 D6 take?

The Cummins/Onan C800 D6 uses fuel filter part number FS1006.

What air filter does the Cummins/Onan C800 D6 use?

The Cummins/Onan C800 D6 uses air filter part number AF25544.

Parts

4
Part #DescriptionQtySystem
204-009Acronyms and AbbreviationsService part / kit Amazon eBay
3822735Plastic bead blasting media1Service part / kit Amazon eBay
4021375QSK23 Troubleshooting and Repair Manual1Service part / kit Amazon eBay
KS-E368RHead OfficeService 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.

Available documents

Spec sheet — SS12-CPGK-DC60 (Cummins/Onan)Spec sheet — SS12-CPGK (Cummins/Onan)
Full service, cheapest listings

Priced items from this model's own parts manual.

Air filter AF25544$285.93
Fuel filter FS1006$29.99
Oil filter LF9325$127.04
3 priced items$442.96