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Cummins/Onan DFHD 60 Hz Generator Set

The Cummins/Onan DFHD 60 Hz is a 1000 kW (1250 kVA) Diesel standby generator set powered by a Cummins/Onan QST30-G5 engine. It is available at 220/380 V, 277/480 V, 347/600 V, 120/208 V, 139/240 V, 240/416 V and 255/440 V, 3-phase and 60 Hz. It holds about 140 L (37.0 gal) of oil and 202.5 L (53.5 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 4361×2000×2353 mm (171.7×78.7×92.6 in) and weighs about 7676 kg (16923 lb). The same QST30-G5 engine also powers generator sets from Katolight.

1000 kW
Standby
30.5 L
Displacement
140.0 L
Oil capacity
1
Document types

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

Typical fuel consumption for 1000–1005 kW Diesel generators →

Compare with other 1000–1005 kW Diesel generators →

Service parts for the DFHD 60 Hz

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 power1000 kW
Standby kVA1250
Prime power900 kW
EmissionsU.S. EPA Nonroad Source Emissions Standards, CFR 40
ControllerPowerCommand
Oil capacity140.0 L
Voltage options220/380 V, 277/480 V, 347/600 V, 120/208 V, 139/240 V, 240/416 V, 255/440 V
Phase3
Battery voltage24 V
Coolant capacity202.5 L
Max ambient50 °C
Dimensions (L×W×H)4361×2000×2353 mm
Dry weight7676 kg

Engine

Cummins/Onan QST30-G5
Oil capacity154.0 L
Coolant capacity202.5 L
Displacement30.5 L
AspirationTurbocharged and low temperature after-cooled
Rated speed1800 rpm

Filters for the Cummins/Onan QST30-G5

4

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.

Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:

SystemFilterDescriptionCross-references
Oil filterP551670Lube Filter, Spin-On Full FlowCUMMINS 298670, CUMMINS 299670, NAPA 1970, CARBOCOL 0026 FridayParts $26.68
Oil filterP559000Lube Filter, Spin-On Full FlowCUMMINS 2101869, CUMMINS 2882674, NAPA 400107, BALDWIN BD7154 KuduParts $17.00 FridayParts $36.00
Fuel / water separatorP552216Fuel Filter, Water Separator Spin-On Twist&DrainCUMMINS 3309437, CUMMINS 3313304, NAPA 3613, BALDWIN BF1216 buy
Fuel / water separatorP552006Fuel Filter, Water Separator Spin-On Twist&DrainCUMMINS 3089916, CUMMINS 4095189, NAPA 3645, BALDWIN BF1262 FridayParts $42.88

Same engine, other brands

1 brand

The Cummins/Onan QST30-G5 in this set also powers 5 generator sets sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
KatolightD1000FJZ4, D1000FNZ4, D1000FPZ4, D1000FRZ4, D1000FSZ4

Maintenance & consumables

for the Cummins/Onan QST30-G5
ItemSpecCapacityPart #Interval
Air filterD041-2 eBay
Fuel filter—
Oil filter—
Battery—250 hr
Belt—
Coolant167.0—6000 hr
Coolant filter—1500 hr
Oil154.0 L—
Spark plug—

Common questions

How many kW is the Cummins/Onan DFHD 60 Hz?

The Cummins/Onan DFHD 60 Hz is rated 1000 kW standby (1250.0 kVA).

Which engine powers the Cummins/Onan DFHD 60 Hz?

The Cummins/Onan DFHD 60 Hz is powered by the Cummins/Onan QST30-G5 engine.

What kind of fuel does the Cummins/Onan DFHD 60 Hz run on?

The Cummins/Onan DFHD 60 Hz runs on Diesel.

How much oil does the Cummins/Onan DFHD 60 Hz take?

The Cummins/Onan QST30-G5 engine in the Cummins/Onan DFHD 60 Hz has an oil capacity of 154.0 liters.

How much coolant does the Cummins/Onan DFHD 60 Hz hold?

The Cummins/Onan DFHD 60 Hz cooling system holds 202.5 liters (53.5 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the prime power rating of the Cummins/Onan DFHD 60 Hz?

The Cummins/Onan DFHD 60 Hz is rated 900 kW prime (1125 kVA), against 1000 kW standby.

How much does the Cummins/Onan DFHD 60 Hz weigh?

The Cummins/Onan DFHD 60 Hz has a dry weight of 7676 kg (16922 lb).

What voltages is the Cummins/Onan DFHD 60 Hz available in?

The Cummins/Onan DFHD 60 Hz is offered in 220/380 V, 277/480 V, 347/600 V, 120/208 V, 139/240 V, 240/416 V, 3-phase.

What air filter does the Cummins/Onan DFHD 60 Hz use?

The Cummins/Onan DFHD 60 Hz uses air filter part number D041-2.

Parts

1
Part #DescriptionQtySystem
CC2609Fleetguard Water-Check H2O 3-Way Test Strips1Service 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 — S-1311h (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.