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Cummins/Onan QSM11−G2 NR3 Engine

The Cummins/Onan QSM11−G2 NR3 is an engine. It powers generator sets from Cummins/Onan, including the DQHAA.

Also known as: Cummins Inc. QSM11−G2 NR3

Part of the Cummins/Onan QSM11 engine family — 18 variants share parts & fitment.

Engine specifications

Generator sets powered by this engine

1
Cummins/Onan DQHAA

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

Common problems

15
  • LOW BAT VOLTAGE — Warning 441
    Cause: Battery voltage supply to the control is approaching a low level at which unpredictable operation will occur; discharged or defective battery
    Fix: Check the battery charger fuse. Recharge or replace the battery
  • Overspeed — Shtdn 234
  • LOW COOLANT TEMP — Warning 1435
    Cause: Engine coolant heater is not operating or is not circulating coolant; coolant heater not connected to power supply
    Fix: Check for blown fuse or disconnected heater cord and correct as required
  • J1939 time out error — Wrng 285
  • WEAK BATTERY — Warning 1442
    Cause: During cranking, the battery voltage is at or below the weak battery warning trip point for a time greater than or equal to the weak battery set time
    Fix: See code 441 for corrective action
  • Water in fuel high — Wrng 1852
  • VGT comm timeout — Wrng 1894
  • Under Frequency — Shtdn 1448
  • Unack fault warn — Wrng 2962
  • TRB in temp sen low — Wrng 692
  • TRB in temp sen high — Wrng 691
  • TOO LONG IN IDLE — Warning 2342
    Cause: Genset has been in Idle mode too long (10 minutes maximum)
  • Speed/Hz Match — Shtdn 1469
  • Speed Signal Lost — Shtdn 115
  • Speed Signal Lost 121

Compiled from service & troubleshooting documentation across every generator set that uses the Cummins/Onan QSM11−G2 NR3.

Parts cataloged across the Cummins/Onan QSM11 family

110
Part #DescriptionCategory
140-2636Element, Filter (Outer)Air filter
140-2637Cleaner, Air (Includes Elements)Air filter
140-2638Element, Filter (Inner)Air filter
140-3288-02Cleaner, AirAir filter
RU3220Air CleanerAir filter
2874862Alternator 12VAlternator
2874863Alternator 24VAlternator
3037425BeltBelt
A40-TB1-8JUMPER WIREBelt
WF2072Coolant FilterCoolant filter
49c00185Data LinkData link
ES100027Distribution Panel Wiring for T360 Series Single Phase ControlDistribution panel wiring
300-5815Control, Pump - ECMECM / ECU
12000187Engine position sensorEngine position sensor
13200060Engine Speed Control SwitchEngine speed control switch
33200082Engine Stop ButtonEngine stop button
V70509Lube OilFluid
12000183Fuel filterFuel filter
3376807Fuel filterFuel filter
FS1000Fuel FilterFuel filter
15600049Fuel Shutoff ValveFuel shutoff valve
ES100030Standard Generator Wiring for T360 SeriesGenerator wiring
19400715OEM Interface 21-Pin Harness ConnectorHose
19400718OEM Interface 24-Pin Harness ConnectorHose
415-0566-15Pipe, SuctionHose
503-0098Hose, Oil Drain - Bulk (Order By The Foot - 3 Feet Required)Hose
503-0189Clamp, HoseHose
505-0172Nipple, Close (2 x 2")Hose
518-0548-01Clamp, HoseHose
A035N852Hose, Drain - Bulk (Order by the Foot - 1 Feet Required)Hose
38200567Idle Adjustment SwitchIdle adjustment switch
ES100039Idle-Run Wiring (Cummins)Idle run wiring
3375049Oil Filter WrenchOil filter
3397929Oil filter wrenchOil filter
LF9001Lube FilterOil filter
LFg9001Valvoline® Premium Blue®Oil filter
12000186Oil pressure and temperature sensorOil pressure and temperature sensor
13200087Oil Pressure GaugeOil pressure gauge
05200182Flywheel ring gear sensorService part / kit
102-1335Plug, Oil DrainService part / kit
12000184Rail pressureService part / kit
12000188Freon compressor mounting location.Service part / kit
134890T360 Super Quiet GeneratorService part / kit
155-2409-04Elbow, ExhaustService part / kit
155-3510Elbow, MufflerService part / kit
155-3540SilencerService part / kit
155-4022MufflerService part / kit
155-4062MufflerService part / kit
159-1208-01Cap, FuelService part / kit
159-1299Bracket, MountingService part / kit
159-1573-01Tank, Fuel 300 GallonService part / kit
19400716Hard-CoupledService part / kit
19400734Intermediate Speed ControlService part / kit
19800802Multiple Unit SynchronizationService part / kit
307-2621-02Relay, Start Solenoid (K4)Service part / kit
3305070Heater, 240VService part / kit
3315033Heater, 120VService part / kit
338-4426Harness, WiringService part / kit
3823494Lubricating oil filterService part / kit
3885910Red Paint, Spray canService part / kit
415-0727Tank, Day (19 Gallons)Service part / kit
492000038Operation and Maintenance NanualService part / kit
49800897Intermediate Speed ControlService part / kit
49801587Electronic Fan ClutchService part / kit
502-1259Coupler, Coolant HeaterService part / kit
504-0252Valve, Solenoid - FuelService part / kit
625-2141-01Control, Fuel TankService part / kit
8210G4-12VDC1" 12V solenoidService part / kit
8210G4-24VDC1" 24V solenoidService part / kit
961-0514InPower Service Tool KitService part / kit
961-0619Generator Set SupportService part / kit
98200038Engine Steam CleaningService part / kit
A045Z906Isolator, VibrationService part / kit
A045Z908Bracket, SwitchService part / kit
A40-TB1-1B+Service part / kit
A40-TB1-11(COMMON ALARM)Service part / kit
A40-TB1-12(B-)Service part / kit
A40-TB1-30COMMON ALARMService part / kit
A40-TB1-31(COMMON ALARM)Service part / kit
C2800Fleetguard® refractometerService part / kit
CC2800Fleetguard refractometerService part / kit
E204747Coolant heater 240/480V 6420W 1PHService part / kit
LE9o01Cummins Engine Company, Inc.Service part / kit
ES100006Overcurrent Relay WiringOvercurrent relay wiring
3376326pulley pusher (2)Pulley pusher
3377401pulley pusher adapter (1)Pulley pusher adapter
12000180Fuel inlet to pumpPump
12000185Power steering pump mounting locationPump
149-2699-01Pump, Fuel - Assembly 2 GPMPump
149-2710-01Pump, Fuel - With Motor 2 GPMPump
399-0117Pump, Fuel TransferPump
399-0121Kit, Repair - Fuel Tank PumpPump
39200434Governed rpmRpm governor
151-0411Pickup, MagneticSensor
193-0432Sender, Oil Temperature (S2 Engine Block, E4 Oil Pan)Sensor
193-0444Sender, Oil Pressure (S1)Sensor
308-0913-06Switch, FloatSensor
309-0269Sender, Temperature-Lo EngineSensor
309-0701-01Switch, Level - High and LowSensor
309-0702-01Switch, Level - Rupture BasinSensor
415-0565-15Gauge, Liquid LevelSensor
420-0609-01Gauge - Fuel LevelSensor
13200052Slow Idle FeatureSlow idle feature
ES100026Three Position Stack Switch WiringStack switch wiring
2871254Starter 12VStarter
3103916Starter 24VStarter
3200069STOP CHECK!Stop check
43200086Tachometer w/Hour MeterTachometer
190-0200ThermostatThermostat
43200085VoltmeterVoltmeter

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

Which generators use the Cummins/Onan QSM11−G2 NR3 engine?

The Cummins/Onan QSM11−G2 NR3 powers 1 generator set(s), including Cummins/Onan DQHAA.

What is a common problem with the Cummins/Onan QSM11−G2 NR3 engine?

A commonly reported issue on generators using the Cummins/Onan QSM11−G2 NR3 is: LOW BAT VOLTAGE — Warning. Cause: Battery voltage supply to the control is approaching a low level at which unpredictable operation will occur; discharged or defective battery. Fix: Check the battery charger fuse. Recharge or replace the battery.