HomeCummins/OnanCummins/Onan DQHAB

Cummins/Onan DQHAB Generator Set

The Cummins/Onan DQHAB is a 300 kW (375 kVA) diesel standby generator set powered by a Cummins/Onan QSM11-G4 engine. It is available at 110/190 V, 115/200 V, 115/230 V, 120/208 V, 127/220 V, 139/240 V, 120/240 V, 220/380 V, 230/400 V, 240/416 V, 254/440 V, 277/480 V and 347/600 V, 3-phase and 60 Hz. It holds about 36.7 L (9.7 gal) of oil and 33.7 L (8.9 gal) of coolant, with a maximum ambient rating of 52 °C. Starting uses 2 group-8 batteries rated 550 CCA at 24 V. The set measures 3453×1524×1803 mm (135.9×60.0×71.0 in) and weighs about 2676 kg (5900 lb). The same QSM11-G4 engine also powers generator sets from MQ Power and TEREX.

300 kW
Standby
10.8 L
Displacement
36.7 L
Oil capacity
4
Document types

Specifications

Fueldiesel
Frequency60.0 Hz
Standby power300 kW
Standby kVA375
Prime power270 kW
EmissionsTier 3
ControllerPCC 2100, PowerCommand 2100, PowerCommand 2100 Control, PowerCommand PCC2100 CAN
Oil capacity36.7 L
Voltage options110/190 V, 115/200 V, 115/230 V, 120/208 V, 127/220 V, 139/240 V, 120/240 V, 220/380 V, 230/400 V, 240/416 V, 254/440 V, 277/480 V, 347/600 V
Phase3
Battery group['8D']
Battery cranking550 CCA
Battery voltage24-volt V
Battery quantity2
Coolant capacity33.7 L
Max ambient52 °C
Dimensions (L×W×H)3453×1524×1803 mm
Dry weight2676 kg

Engine

Cummins/Onan QSM11-G4
Oil capacity36.7 L
Coolant capacity9.5 L
Displacement10.8 L
Aspirationturbocharged and after-cooled
Rated speed1800 rpm

Maintenance & consumables

for the Cummins/Onan QSM11-G4
ItemSpecCapacityPart #Interval
Air filterClean/replace engine air cleaner element; Inspect/clean engine ground1000 hr find
BeltInspect, adjust or replace alternator or fan belt; Inspect/adjust engine valve lash; Inspect aftercooler core; Inspect alternator; Inspect engine mounts; Inspect starting motor; Inspect turbocharger; Inspect water pump2000 hr find
CoolantCheck cooling system coolant level; Check driven equipment; Inspect engine air cleaner service indicator; Check engine oil level; Drain tank water and sediment; Check battery electrolyte level; Clean/test aftercooler core; Add cooling system coolant extender (ELC); Change cooling system coolant (ELC)50 hr
Coolant filter find
Fuel filterDrain fuel system primary filter/water separator500 hr find
OilChange engine oil and filter12000 hr
Oil filterInspect, adjust or replace alternator or fan belt; Change cooling system coolant (ELC); Replace water separator element; Replace fuel system secondary filter; Inspect/adjust engine valve lash; Inspect aftercooler core; Inspect alternator; Inspect engine mounts; Inspect starting motor; Inspect turbocharger; Inspect water pump2000 hr find

Parts

27
Part #DescriptionQtySystem
A030X742Label, Logo2Label buy
A030X841Label, Logo (Rental Power)2Label buy
A030X858Label, Logo (Power Generation)2Label buy
A030Z056Label, Danger - High Voltage1Label buy
A030Z074Label, Danger2Label buy
A030Z084Label, Warning1Label buy
A030Z096Label, Danger1Label buy
A030Z159Label1Label buy
A030Z164Label, E-Stop1Label buy
A034C533Label, Danger1Label buy
A034C537Label, Warning2Label buy
A034S145Label, Logo (Stripe)3Label buy
A035N852Hose, Drain - Bulk (Order by the Foot - 1 Feet Required)-1Hose buy
A044J560(Two Switch)1Label buy
A050H767Label, Warning3Label buy
A050H771Label, Warning1Label buy
A052M492Label, Instruction1Label buy
A052N900Label, Instruction1Label buy
ES100006Overcurrent Relay WiringOvercurrent relay wiring buy
ES100026Three Position Stack Switch WiringStack switch wiring buy
ES100027Distribution Panel Wiring for T360 Series Single Phase ControlDistribution panel wiring buy
ES100030Standard Generator Wiring for T360 SeriesGenerator wiring buy
ES100039Idle-Run Wiring (Cummins)Idle run wiring buy
134890T360 Super Quiet GeneratorService part / kit buy
961-0619Generator Set Support4Service part / kit buy
A045Z906Isolator, Vibration1Service part / kit buy
A045Z908Bracket, Switch1Service part / kit buy

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.

Fuel consumption

RatingLoadL/hgal/h
Prime87.63
Prime0%23.776.28
Prime0%40.3510.66
Prime0%58.7115.51
Prime1%78.2120.66
Standby82.56
Standby0%25.256.67
Standby0%43.811.57
Standby0%64.8117.12
Standby1%87.6323.15

Available documents

Spec sheetInstallation manualParts manualService manual

Other sets with this engine