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Cummins/Onan DGCH Generator Set

The Cummins/Onan DGCH is a 400 kW standby generator set powered by a Cummins/Onan NTA-855-G5 engine. It is available at , 3-phase and 60 Hz. It holds about 37.9 L (10.0 gal) of oil and 57.9 L (15.3 gal) of coolant.

400 kW
Standby
14.0 L
Displacement
37.9 L
Oil capacity
1
Document types

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

Service parts for the DGCH

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

Air intake

1 required
140-2389Air filtersee priceAmazon

Belts

1 required

Electrical

1 required
305-0813-02Batterysee priceeBay

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

Specifications

Frequency60.0 Hz
Standby power400 kW
ControllerDetector
Oil capacity37.9 L
Phase3
Battery voltage24 V

Engine

Cummins/Onan NTA-855-G5
Oil capacity37.9 L
Coolant capacity57.9 L
Displacement14.0 L
AspirationTurbocharged and Aftercooled
Rated speed1800 rpm

Filters for the Cummins/Onan NTA-855-G5

8

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 filterP551670Lube Filter, Spin-On Full FlowCUMMINS 298670, CUMMINS 299670, NAPA 1970, CARBOCOL 0026 FridayParts $26.68
Oil filterP550777Lube Filter, Spin-On BypassCUMMINS 3021658, CUMMINS 33004232, NAPA 1749, BALDWIN B7577 FridayParts $43.56
Fuel filterP550105Fuel Filter, Spin-On PrimaryCUMMINS 154700, CUMMINS 154710, NAPA 3109, NAPA 3405 buy
Fuel filterP557440Fuel Filter, Spin-On SecondaryCUMMINS BM78672, BALDWIN BF970, LPM 00013505994, WALGAHN-MOTORENTECHN 00811464 FridayParts $189.69
Fuel / water separatorP558000Fuel Filter, Water Separator Spin-On Twist&DrainCUMMINS 3308638, CUMMINS 3308683, NAPA 3405, NAPA 3693 KuduParts $24.00 FridayParts $25.66
Fuel / water separatorP550106Fuel Filter, Water Separator Spin-OnCUMMINS 154789, CUMMINS 156164, NAPA 3405, BALDWIN BF957-D FridayParts $285.60
Coolant filterP554071Coolant Filter, Spin-OnCUMMINS 209604, CUMMINS 209606, NAPA 4071, WALGAHN-MOTORENTECHN 00811412 FridayParts $397.60
Coolant filterP554073Coolant Filter, Spin-OnCUMMINS 209605, CUMMINS 209607, NAPA 4073, VERSATILE 00104040 KuduParts $40.00

Maintenance & consumables

for the Cummins/Onan NTA-855-G5
ItemSpecCapacityPart #Interval
Air filterCleaner, Air (Includes Element)140-2389 Amazon eBay
Oil filterChanged 8/26/24 at 311.1 Hrs—
Battery208VAC/24VDC/10A305-0813-02 eBay
BeltBelt, Alternator511-0092 Amazon eBay $13.97 NAPA $23.51
Coolant-35F—

Common questions

What is the power rating of the Cummins/Onan DGCH?

The Cummins/Onan DGCH is rated 400 kW standby.

What engine does the Cummins/Onan DGCH use?

The Cummins/Onan DGCH is powered by the Cummins/Onan NTA-855-G5 engine.

How much oil does the Cummins/Onan DGCH take?

The Cummins/Onan NTA-855-G5 engine in the Cummins/Onan DGCH has an oil capacity of 37.9 liters.

What is the cooling system capacity of the Cummins/Onan DGCH?

The Cummins/Onan DGCH cooling system holds 57.9 liters (15.3 US gallons) for the engine, per the manufacturer specification sheet.

What air filter does the Cummins/Onan DGCH use?

The Cummins/Onan DGCH uses air filter part number 140-2389.

Parts

27
Part #DescriptionQtySystem
140-2389140-2391 1 140-2390 1 140-2392 1 140-2393 1 140-1548 1 140-1545 1 c 503-1575 186917 C1Air filter Amazon eBay
140-2391Element - Air Cleaner (Standard)1Air filter Amazon eBay
191-1858Starter (24VDC)1Starter Amazon eBay
191-1982Pulley, Alternator1Alternator Amazon eBay FridayParts $40.00
191-1983-02Alternator, 24 Volt Spec B-O (Prestolite)1Alternator Amazon eBay
193-0447-01Sender, Water Temperature (E2)1Sensor Amazon eBay
193-0448Sender, Oil Pressure1Sensor Amazon eBay
309-0269Sender, Temperature-Lo Engine1Sensor Amazon eBay $239.00
309-0576Switch, Thermostat - High Engine Coolant Temperature (S2)1Sensor Amazon eBay
309-0641-03Switch, Oil Pressure (Closes at 14 lbs. Descending) (S1)1Sensor Amazon eBay
309-0641-07Switch, Oil Pressure (Closes at 20 lbs. Descending)1Sensor Amazon eBay
502-0827Fitting, Hose – Barbed (1/2” ID Pipe to 3/4” ID Hose)2Hose Amazon eBay
503-0189Clamp, Hose1Hose Amazon eBay
503-1634-01Hose, Rubber (3/4” ID x 4”)4Hose Amazon eBay
511-0092Belt, Alternator1Belt Amazon eBay $13.97 NAPA $23.51
130-3588Cap, Radiator1Service part / kit Amazon eBay $79.00
130-4355Radiator (2 Row Core) DFBJ1Service part / kit Amazon eBay
130-4355-01Radiator (3 Row Core) DFCF, DFCG1Service part / kit Amazon eBay
130-4369Radiator DFCH1Service part / kit Amazon eBay
155-2409-01Elbow, Exhaust (5" OD With Threads)1Service part / kit Amazon eBay
191-1981Genset component (SJB series)1Service part / kit Amazon eBay
191-2121Regulator, Voltage1Service part / kit Amazon eBay
305-0813-02CUMMINS battery charger 208VAC/24VDC/10AService part / kit eBay
333-0639-01Heater, Coolant (4990 Watt)1Service part / kit Amazon eBay
333-0639-02Heater, Coolant (6420 Watt)1Service part / kit Amazon eBay
503-1575Clamp, V-Band1Service part / kit Amazon eBay
504-0011Valve, Shutoff (1/2”)1Service part / kit Amazon eBay $59.95

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

Parts manual — 960-0216 Cummins DFBJ DFCF DFCG DGCH Parts Manual (10-2010) (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.

Belt 511-0092$13.97
1 priced item$13.97