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Home›Engines›Cummins/Onan QSM11-G2

Cummins/Onan QSM11-G2 Engine Engine

The Cummins/Onan QSM11-G2 is an engine. It powers generator sets from Cummins/Onan, including the DQAF.

Also known as: Cummins QSM11-G2

Part of the Cummins/Onan QSM11 engine family — 15 variants share parts & fitment.

Engine specifications

Generator sets powered by this engine

1
Cummins/Onan DQAF

Common problems

15
  • WEAK BATTERY 232
  • Warning lamp lights. MESSAGE: WEAK BATTERY 232 − WARNING WEAK BATTERY 232
    Fix: Indicates battery voltage drops below 60% of nominal for two seconds, during starting. Discharged or defective battery. See Warning message 230, LOW DC VOLTAGE.
  • Warning lamp lights. MESSAGE: OVERLOAD 330 − WARNING 330
  • Warning lamp lights. MESSAGE: OVERCURRENT 320 − WARNING 320
  • Warning lamp lights. MESSAGE: LOW DC VOLTAGE 230 − WARNING LOW DC VOLTAGE 230
    Fix: Indicates battery voltage is below 10 VDC. a. Discharged or defective battery. Check the battery charger fuse. Recharge or replace the battery. b. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. c. Check engine DC alternator. Replace engine DC alternator if normal battery charging voltage is not obtained. d. Check battery charge voltage float level if applicable (raise float level).
  • Warning lamp lights. MESSAGE: HIGH DC VOLTAGE 231 − WARNING HIGH DC VOLTAGE 231
    Fix: Indicates battery voltage exceeds 32 VDC. Check voltage float level on battery charger if applicable (lower float level). Check engine DC alternator. Replace engine DC alternator if normal battery charging voltage is not obtained.
  • Warning lamp lights. MESSAGE: EEPROM ERROR 251 − WARNING or 252 − WARNING EEPROM ERROR 251
    Fix: Indicates PCC memory error. Data corruption of noncritical operating parameters.
  • Warning lamp lights. MESSAGE: CUSTOMER FAULT 1 261 − WARNING 261
  • Warning lamp lights. MESSAGE: CUSTOMER FAULT 1 260 − WARNING or GROUND FAULT 260
  • Warning lamp lights. MESSAGE: COOLANT SENDER 213 − WARNING COOLANT SENDER 213
    Fix: Indicates that the resistance of the coolant temperature sender is out of range. Check the resistance of the sender. Resistance should be 500 to 2k ohms.
  • Warning lamp lights. LOW DC VOLTAGE
    Fix: A. Discharged or defective battery. Check the battery charger fuse. Recharge or replace the battery. b. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. c. Contact an authorized service center if none of the above.
  • UNDER FREQUENCY 313
  • Shutdown or Warning lamp lights. MESSAGE: CM570/ENGINE 263 − SHUTDOWN 263
  • Shutdown or Warning lamp lights. MESSAGE: CM570/ENGINE 262 − WARNING 262
  • Shutdown or Warning lamp lights. ENG COOLANT SENDER
    Fix: Contact an authorized service center.

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

Parts cataloged across the Cummins/Onan QSM11 family

116
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
12000187Engine position sensorengine_position_sensor
13200060Engine Speed Control Switchengine_speed_control_switch
33200082Engine Stop Buttonengine_stop_button
3823494Sealantfluid
V70509Lube Oilfluid
12000183Fuel filterfuel_filter
3376807Coolant 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
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 sensorother_service
102-1335Plug, Oil Drainother_service
12000184Rail pressureother_service
12000188Freon compressor mounting location.other_service
134890T360 Super Quiet Generatorother_service
155-2409-04Elbow, Exhaustother_service
155-3510Elbow, Mufflerother_service
155-3540Silencerother_service
155-4022Mufflerother_service
155-4062Mufflerother_service
159-1208-01Cap, Fuelother_service
159-1299Bracket, Mountingother_service
159-1573-01Tank, Fuel 300 Gallonother_service
19400716Hard-Coupledother_service
19400734Intermediate Speed Controlother_service
19800802Multiple Unit Synchronizationother_service
309-0269Switch, Low Engine Temperature (S4)other_service
3305070Heater, 240Vother_service
3315033Heater, 120Vother_service
338-4426Harness, Wiringother_service
3885910Red Paint, Spray canother_service
415-0727Tank, Day (19 Gallons)other_service
492000038Operation and Maintenance Nanualother_service
49800897Intermediate Speed Controlother_service
49801587Electronic Fan Clutchother_service
502-1259Coupler, Coolant Heaterother_service
504-0252Valve, Solenoid - Fuelother_service
625-2141-01Control, Fuel Tankother_service
8210G4-12VDC1" 12V solenoidother_service
8210G4-24VDC1" 24V solenoidother_service
961-0619Generator Set Supportother_service
98200038Engine Steam Cleaningother_service
A40-TB1-1B+other_service
A40-TB1-11(COMMON ALARM)other_service
A40-TB1-12(B-)other_service
A40-TB1-30COMMON ALARMother_service
A40-TB1-31(COMMON ALARM)other_service
C2800Fleetguard® refractometerother_service
CC2800Fleetguard® refractometerother_service
D036other_service
D041other_service
F154other_service
F159other_service
H479other_service
H487other_service
H488other_service
H530other_service
H556other_service
H557other_service
K882other_service
LE9o01Cummins Engine Company, Inc.other_service
ES100006Overcurrent Relay Wiringovercurrent_relay_wiring
3376326Pulley Pusherpulley_pusher
3377401Pulley Pusher Adapter, 5/16 X 24 X 2 capscrewspulley_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
307-2621-02Relay, Start Solenoid (K4)relay
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
309-0701-01Switch, 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 engine?

The Cummins/Onan QSM11-G2 powers 1 generator set(s), including Cummins/Onan DQAF.

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

A commonly reported issue on generators using the Cummins/Onan QSM11-G2 is: WEAK BATTERY.