The Cummins/Onan QSM11-G4 is a 10.8 L turbocharged and after-cooled engine rated at 1800 rpm. It powers generator sets from Cummins/Onan, MQ Power and Terex, including the C300D6, DQHAA, DQHAB and EGS2400C3H. It holds 36.72 L (9.7 gal) of oil and 9.5 L (2.5 gal) of coolant.
Also known as: Cummins QSM11-G4
Part of the Cummins/Onan QSM11 engine family — 15 variants share parts & fitment.
| Oil capacity | 36.72 L |
|---|---|
| Coolant capacity | 9.5 L |
| Displacement | 10.8 L |
| Aspiration | turbocharged and after-cooled |
| Rated speed | 1800 rpm |
Shared across brands: Cummins/Onan, MQ Power, Terex
| Part # | Description | Category |
|---|---|---|
| 140-2636 | Element, Filter (Outer) | air_filter |
| 140-2637 | Cleaner, Air (Includes Elements) | air_filter |
| 140-2638 | Element, Filter (Inner) | air_filter |
| 140-3288-02 | Cleaner, Air | air_filter |
| 3375362 | Sight Glass (Used to check for air in the fuel suction line. Use Part Number 3375362 with Number 12 hose, and Part Number 3375808 with Number 16 hose.) | air_filter |
| 3375808 | Sight Glass (Used to check for air in the fuel suction line. Use Part Number 3375362 with Number 12 hose, and Part Number 3375808 with Number 16 hose.) | air_filter |
| 49c00185 | Data Link | data_link |
| ES100027 | Distribution Panel Wiring for T360 Series Single Phase Control | distribution_panel_wiring |
| 300-5815 | Control, Pump - ECM | ecm |
| 12000187 | Engine position sensor | engine_position_sensor |
| 13200060 | Engine Speed Control Switch | engine_speed_control_switch |
| 33200082 | Engine Stop Button | engine_stop_button |
| 12000183 | Fuel filter | fuel_filter |
| 3376807 | Filter Wrench (Used to remove or tighten spin on fuel filters.) | fuel_filter |
| 15600049 | Fuel Shutoff Valve | fuel_shutoff_valve |
| ES100030 | Standard Generator Wiring for T360 Series | generator_wiring |
| 19400715 | OEM Interface 21-Pin Harness Connector | hose |
| 19400718 | OEM Interface 24-Pin Harness Connector | hose |
| 415-0566-15 | Pipe, Suction | hose |
| 503-0098 | Hose, Drain - Bulk | hose |
| 503-0189 | Clamp, Hose | hose |
| 505-0172 | Nipple, Pipe - Close (2") | hose |
| 518-0548-01 | Clamp, Hose | hose |
| A035N852 | Hose, Drain - Bulk (Order by the Foot - 1 Feet Required) | hose |
| ST-434-1 | Hose Adapter (Used with vacuum gauge, Part Number ST-434. Use Part Number ST-434-1 with Number 8 hose.) | hose |
| ST-434-2 | Hose Adapter (Used with vacuum gauge, Part Number ST-434. Use Part Number ST-434-2 with Number 10 hose.) | hose |
| 38200567 | Idle Adjustment Switch | idle_adjustment_switch |
| ES100039 | Idle-Run Wiring (Cummins) | idle_run_wiring |
| 8359-01 | IMPELLER | impeller |
| MCIF4024941 | In-Frame Engine Kit | in_frame_engine_kit |
| 3823579 | CELECT™ Injector Puller and Driver Assembly (Used to remove and install CELECT™ injectors.) | injector |
| 3397929 | Oil filter wrench | oil_filter |
| LF9001 | Valvoline® Premium Blue® 2000 | oil_filter |
| LFg9001 | Valvoline® Premium Blue® | oil_filter |
| 3375049 | Oil Filter Wrench | oil_filter_wrench |
| 12000186 | Oil pressure and temperature sensor | oil_pressure_and_temperature_sensor |
| 13200087 | Oil Pressure Gauge | oil_pressure_gauge |
| 102-1335 | Plug, Oil Drain | other_service |
| 12000184 | Rail pressure | other_service |
| 12000188 | Freon compressor mounting location. | other_service |
| 134890 | T360 Super Quiet Generator | other_service |
| 155-2409-04 | Elbow, Exhaust | other_service |
| 155-3510 | Elbow, Muffler | other_service |
| 155-3540 | Silencer | other_service |
| 155-4022 | Muffler | other_service |
| 155-4062 | Muffler | other_service |
| 159-1208-01 | Cap, Fuel | other_service |
| 159-1299 | Bracket, Mounting | other_service |
| 159-1573-01 | Tank, Fuel 300 Gallon | other_service |
| 19400716 | Hard-Coupled | other_service |
| 19400734 | Intermediate Speed Control | other_service |
| 19800802 | Multiple Unit Synchronization | other_service |
| 307-2621-02 | Solenoid, Pilot | other_service |
| 338-4426 | Harness, Wiring | other_service |
| 3823451 | Static Injection Timing Tool (Used to measure static timing.) | other_service |
| 415-0727 | Tank, Day (19 Gallons) | other_service |
| 492000038 | Operation and Maintenance Nanual | other_service |
| 49800897 | Intermediate Speed Control | other_service |
| 49801587 | Electronic Fan Clutch | other_service |
| 502-1259 | Coupler, Coolant Heater | other_service |
| 504-0252 | Valve, Solenoid - Fuel | other_service |
| 625-2141-01 | Control, Fuel Tank | other_service |
| 961-0514 | InPower Service Tool Kit | other_service |
| 961-0619 | Generator Set Support | other_service |
| 98200038 | Engine Steam Cleaning | other_service |
| A045Z906 | Isolator, Vibration | other_service |
| A045Z908 | Bracket, Switch | other_service |
| A40-TB1-11 | (COMMON ALARM) | other_service |
| A40-TB1-30 | COMMON ALARM (COM) | other_service |
| A40-TB1-31 | COMMON ALARM (COM) | other_service |
| BER0052 | BEARING | other_service |
| CC2800 | Fleetguard® refractometer | other_service |
| CM570 | Calibration Module for QSM11 | other_service |
| D036 | other_service | |
| D041 | other_service | |
| F154 | other_service | |
| F159 | other_service | |
| H479 | other_service | |
| H487 | other_service | |
| H488 | other_service | |
| H530 | other_service | |
| H556 | other_service | |
| H557 | other_service | |
| JSK0080 | SERVICE KIT | other_service |
| K882 | other_service | |
| LE9o01 | Cummins Engine Company, Inc. | other_service |
| MCIF4024940 | Kit, de cilindros pC | other_service |
| QSM11 | Throttle Actuator | other_service |
| SHA0093 | SHAFT | other_service |
| ST-1111-3 | Mercury-Filled Slack Tube Manometer (Used to measure fuel drain line restriction.) | other_service |
| WER0020 | WEAR PLATE | other_service |
| ES100006 | Overcurrent Relay Wiring | overcurrent_relay_wiring |
| A40-TB1-1 | B+ | positive terminal |
| 3376326 | pulley pusher (2) | pulley_pusher |
| 3377401 | pulley pusher adapter (1) | pulley_pusher_adapter |
| 12000180 | Fuel inlet to pump | pump |
| 12000185 | Power steering pump mounting location | pump |
| 149-2699-01 | Pump, Fuel - Assembly 2 GPM | pump |
| 149-2710-01 | Pump, Fuel - With Motor 2 GPM | pump |
| 399-0117 | Pump, Fuel Transfer | pump |
| 399-0121 | Kit, Repair - Fuel Tank Pump | pump |
| C2800 | Fleetguard® refractometer | refractometer |
| 39200434 | Governed rpm | rpm_governor |
| A40-TB1-12 | RUN RELAY (K11, K12, K13) | run relay |
| A40-TB1-8 | SWITCHED B+ | run relay |
| CAMSET0032 | CAM LINER(WITH O-RING) | seal |
| MCSSET0019 | M-SEAL(WITH SPACER, SNAP-RING) | seal |
| ORG0054 | O-RING | seal |
| ORG0055 | O-RING | seal |
| RET0042 | OIL SEAL | seal |
| 05200182 | Side oil drain | sensor |
| 151-0411 | Pickup, Magnetic | sensor |
| 193-0432 | Sender, Oil Temperature | sensor |
| 193-0444 | Sender, Oil Pressure | sensor |
| 308-0913-06 | Switch, Float | sensor |
| 309-0269 | Air Cleaner (Includes Element) - Standard | sensor |
| 309-0701-01 | Switch, Level - High and Low | sensor |
| 309-0702-01 | Switch, Level - Rupture Basin | sensor |
| 415-0565-15 | Gauge, Liquid Level | sensor |
| 420-0609-01 | Gauge - Fuel Level | sensor |
| 13200052 | Slow Idle Feature | slow_idle_feature |
| ES100026 | Three Position Stack Switch Wiring | stack_switch_wiring |
| 3200069 | STOP CHECK! | stop_check |
| 43200086 | Tachometer w/Hour Meter | tachometer |
| 190-0200 | Thermostat | thermostat |
| 3823494 | thread sealant | thread_sealant |
| 43200085 | Voltmeter | voltmeter |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Cummins/Onan QSM11-G4 engine has an oil capacity of 36.72 liters.
The Cummins/Onan QSM11-G4 has a displacement of 10.8 liters.
The Cummins/Onan QSM11-G4 powers 5 generator set(s), including Cummins/Onan C300D6, Cummins/Onan DQHAA, Cummins/Onan DQHAB, MQ Power EGS2400C3H, Terex T360 Super Quiet Generator.