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Cummins/Onan DQDAB Generator Set

The Cummins/Onan DQDAB is a 275 kW (344 kVA) diesel standby generator set powered by a Cummins/Onan QSL9-G7 NR3 engine. It is available at 480 V, 3-phase, 60 Hz and rated 330 A. Starting uses 2 group-4 batteries rated 750 CCA at 24 V. The set measures 3023×1270×1617 mm (119.0×50.0×63.7 in) and weighs about 2184 kg (4815 lb).

275 kW
Standby
2
Document types

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Typical fuel consumption for 275–280 kW Diesel generators →

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Specifications

Fueldiesel
Frequency60.0 Hz
Standby power275 kW
Standby kVA344
EmissionsTier 3
ControllerPowerCommand PCC2100
Voltage options480 V
Phase3
Rated current330 A
Power factor1
Battery group4D
Battery cranking750 CCA
Battery voltage24 V
Battery quantity2
Dimensions (L×W×H)3023×1270×1617 mm
Dry weight2184 kg
Wet weight2234 kg

Filters for the Cummins/Onan QSL9-G7 NR3

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

Maintenance & consumables

for the Cummins/Onan QSL9-G7 NR3
ItemSpecCapacityPart #Interval
Battery2 Group 4D (CORE)×2—
Coolant-35—

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 is the power rating of the Cummins/Onan DQDAB?

The Cummins/Onan DQDAB is rated 275 kW standby (344.0 kVA).

Which engine powers the Cummins/Onan DQDAB?

The Cummins/Onan DQDAB is powered by the Cummins/Onan QSL9-G7 NR3 engine.

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

The Cummins/Onan DQDAB runs on diesel.

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

The Cummins/Onan DQDAB has a dry weight of 2184 kg (4814 lb).

What voltages is the Cummins/Onan DQDAB available in?

The Cummins/Onan DQDAB is offered in 480 V, 3-phase.

What battery does the Cummins/Onan DQDAB use?

The Cummins/Onan DQDAB uses 2 batteryies, 24 V each, 750 CCA, group 4D, 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)Reference — cummins-dqdab-sn-h170235929-load-test-and-inspection-report-1777056510 (Cummins/Onan)

This page was generated from the 2 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.