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Cummins/Onan DQDAC Generator Set

The Cummins/Onan DQDAC is a 300 kW (375 kVA) diesel standby generator set powered by a Cummins/Onan QSL9-G7 engine. It is available at 110/90 V, 139/240 V, 240/416 V, 120/208 V, 120/240 V, 254/440 V, 277/480 V and 347/600 V, 3-phase and 60 Hz. Starting uses battery rated 750 CCA at 24 V. The set measures 3023×1270×1617 mm (119.0×50.0×63.7 in) and weighs about 2319 kg (5113 lb).

300 kW
Standby
8.9 L
Displacement
1
Document types

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Typical fuel consumption for 300–305 kW Diesel generators →

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Specifications

Fueldiesel
Frequency60.0 Hz
Standby power300 kW
Standby kVA375
EmissionsTier 3
ControllerPowerCommand PCC2100
Voltage options110/90 V, 139/240 V, 240/416 V, 120/208 V, 120/240 V, 254/440 V, 277/480 V, 347/600 V
Phase3-phase
Battery cranking750 CCA
Battery voltage24 V
Dimensions (L×W×H)3023×1270×1617 mm
Dry weight2319 kg
Wet weight2370 kg

Engine

Cummins/Onan QSL9-G7
Displacement8.9 L
AspirationTurbo Charged
Rated speed1500 rpm

Filters for the Cummins/Onan QSL9-G7

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.

SystemFilterDescriptionCross-references
Oil filterP553000Lube Filter, Spin-On Full FlowCUMMINS 3318853, CUMMINS 3825970, NAPA 1748, NAPA 1748XD FridayParts $125.00
Fuel filterP550774Fuel Filter, Spin-OnCUMMINS 3959612, CUMMINS 5301448, HYUNDAI 11LB70020, WIRTGEN 195744 KuduParts $34.00 FridayParts $35.90
Fuel / water separatorP550848Fuel Filter, Water Separator Spin-On Twist&DrainCUMMINS 3973233, CUMMINS 4931955, NAPA 3732, LINDE 0019830505 FridayParts $50.99
Coolant filterP552071Coolant Filter, Spin-On Sca PlusCUMMINS 299080, CUMMINS 299880, NAPA 4071, TORO 012706560 FridayParts $37.53

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
FuelNumber 2 diesel fuelDirect injection fuel system; fuel filter (dual element with water separator) and automatic electric fuel shutoff

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

What size generator is the Cummins/Onan DQDAC?

The Cummins/Onan DQDAC is rated 300 kW standby (375.0 kVA).

What engine does the Cummins/Onan DQDAC use?

The Cummins/Onan DQDAC is powered by the Cummins/Onan QSL9-G7 engine.

Is the Cummins/Onan DQDAC diesel or gas?

The Cummins/Onan DQDAC runs on diesel.

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

The Cummins/Onan DQDAC has a dry weight of 2319 kg (5112 lb).

What voltages is the Cummins/Onan DQDAC available in?

The Cummins/Onan DQDAC is offered in 110/90 V, 139/240 V, 240/416 V, 120/208 V, 120/240 V, 254/440 V, 3-phase-phase.

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

The Cummins/Onan DQDAC uses 24 V each, 750 CCA, per the manufacturer specification sheet.

Parts

4
Part #DescriptionQtySystem
PI144D1Alternator Model1Alternator Amazon eBay
UC274CAlternator Model1Alternator Amazon eBay $8681.95
UC274KAlternator Model1Alternator Amazon eBay
V2403-M-E3BGEngine Model1Service 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 — Cummins-DQDAA-DQDAB-DQDAC-spec-sheet (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.