Specifications
| Fuel | Turbocharged, After-cooled |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 1401 kW |
| Standby kVA | 1706 |
| Prime power | 1210 kW |
| Emissions | EPA NSPS Stationary Emergency Tier 2 |
| Oil capacity | 235.0 L |
| Voltage options | 24 V |
| Phase | Single/Three-Phase |
| Coolant capacity | 401 L |
| Max ambient | 45.7 °C |
| Dimensions (L×W×H) | 4674×2468×3100 mm |
| Dry weight | 7429 kg |
Common questions
What is the power rating of the Cummins/Onan QSK50?
The Cummins/Onan QSK50 is rated 1401 kW standby (1706.0 kVA).
What engine does the Cummins/Onan QSK50 use?
The Cummins/Onan QSK50 is powered by the Cummins/Onan KT50 engine.
What fuel does the Cummins/Onan QSK50 use?
The Cummins/Onan QSK50 runs on Turbocharged, After-cooled.
Parts
250| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 0155-2531-02 | Sender, Exhaust Gas Temperature | Sensor | buy | |
| 0155-2531-05 | Sender, Exhaust Gas Temperature | Sensor | buy | |
| 0193-0446-03 | Sender, Exhaust Gas Temperature | 2 | Sensor | buy |
| 0193-0458-02 | Detector, Temperature | 1 | Sensor | buy |
| 0193-0530 | Sensor, Temperature - Battery Charger | 1 | Sensor | buy |
| 0502-1703 | *Adapter, Hose | 1 | Hose | buy |
| 0503-1675 | Hose, Reducer | Hose | Amazon eBay | |
| 0503-1872-14 | Clamp, Hose | Hose | Amazon eBay | |
| 0526-0399-64 | Bracket, Fuel Filter | Fuel filter | buy | |
| 0800-3017-54 | Bracket, Fuel Filter | Fuel filter | buy | |
| 0821-6003-03 | Bracket, Fuel Filter | Fuel filter | buy | |
| 0850-0079 | Thermostatic Valve | Thermostat | buy | |
| 0860-2008 | Sensor, Pressure | Sensor | buy | |
| 0870-2159 | Bracket, Fuel Filter | Fuel filter | buy | |
| 130-6952-02 | Element, Air Cleaner | Air filter | Amazon eBay | |
| 130-6952-04 | Element, Air Cleaner | Air filter | Amazon eBay | |
| 130-7712 | Thermostat | Thermostat | buy | |
| 130-7714 | Thermostat | Thermostat | buy | |
| 130-7715 | Thermostat | Thermostat | buy | |
| 130-8090 | Thermostat | Thermostat | buy | |
| 130-8106-02 | Thermostat | Thermostat | buy | |
| 140-1548 | Element, Air Cleaner | 2 | Air filter | Amazon eBay $91.60 |
| 140-2052 | Element, Air Cleaner | Air filter | Amazon eBay $150.71 | |
| 140-2508-04 | Element, Air Cleaner | Air filter | Amazon eBay | |
| 140-2508-06 | Element, Air Cleaner | Air filter | Amazon eBay | |
| 140-3507-02 | Element, Air Cleaner | Air filter | Amazon eBay | |
| 140-3947-02 | Element, Air Cleaner | Air filter | Amazon eBay | |
| 140-3963 | Element, Air Cleaner | 2 | Air filter | Amazon eBay $55.99 |
| 140-4250-02 | Element, Air Cleaner | Air filter | Amazon eBay | |
| 140-4251-02 | Element, Air Cleaner | Air filter | Amazon eBay | |
| 154-3254 | Element, Air Cleaner | Air filter | Amazon eBay | |
| 154-3279-02 | Element, Air Cleaner | Air filter | Amazon eBay | |
| 155-3021 | Thermostat | Thermostat | buy | |
| 193-0554 | Sensor, Temperature | 1 | Sensor | buy |
| 309-0649 | Thermostat | 1 | Thermostat | buy |
| 332-2770-01 | Lug, Solderless – P7 Alternator | 1 | Alternator | buy |
| 332-3228 | Tie, Cable | 10 | Sensor | buy |
| 332-3653 | Lug, Solderless – MV7 Alternator | 1 | Alternator | buy |
| 333-0645-01 | Heater, Thermostat (120V) | Thermostat | buy | |
| 333-0645-02 | Heater, Thermostat (240V) | Thermostat | buy | |
| 405-6460-12 | Gasket, Door | Gasket | buy | |
| 416-0639 | Cable, Battery - Battery To Starter - 60” | Starter | buy | |
| 501-0744-01 | Hose, Coolant | 1 | Hose | buy |
| 501-0744-03 | Hose, Coolant | 5 | Hose | buy |
| 502-1704 | Connector, Hose (Beaded) | Hose | buy | |
| 503-0189 | Clamp, Hose | 2 | Hose | buy |
| 503-1484 | Elbow, Hose (45 Deg) (7" ID) | Hose | buy | |
| 503-1705 | Hose, Hump | Hose | buy | |
| 503-1721 | Hose, Hump | Hose | buy | |
| 503-1726 | Hose, Radiator (5.00 x 7.00) − With Flanges | 1 | Hose | buy |
| 503-1728 | Hose, Radiator (3.00 x 7.00) − With Flanges | 3 | Hose | buy |
| 503-1870-12 | Clamp, Hose | Hose | buy | |
| 503-1870-14 | Clamp, Hose | Hose | buy | |
| 503-1870-16 | Clamp, Hose | Hose | buy | |
| 503-1872-05 | Clamp, Hose | Hose | buy | |
| 503-1872-09 | Clamp, Hose − With Flanges | 2 | Hose | buy |
| 503-2157-02 | Clamp, Hose | Hose | buy | |
| 503-2754-01 | Hose, Oil | 1 | Hose | buy |
| 503-2754-02 | Hose, Oil | 1 | Hose | buy |
| 503-3062-01 | Hose, Coolant (Heater) | 9 | Hose | buy |
| 509-0283-01 | Seal, Rectangular Ring | 2 | Seal | buy |
| 5394933 | Crankshaft Rear Oil Seal Removal & Installation Kit | Seal | buy | |
| 70781N | Primary Element Nelson | 4 | Air filter | Amazon eBay $318.94 |
| 70782N | Safety Element Nelson | 4 | Air filter | Amazon eBay $35.00 |
| A026E970 | Gasket, Radiator | 16 | Gasket | buy |
| A026F057 | Clamp, Hose | 4 | Hose | buy |
| A026F059 | Clamp, Hose | 1 | Hose | buy |
| A026F165 | Belt, Fan | 5 | Belt | Amazon eBay |
| A026F204 | Clamp, Hose | 2 | Hose | buy |
| A026F206 | Clamp, Hose | 16 | Hose | buy |
| A026F208 | Clamp, Hose | 4 | Hose | buy |
| A026F213 | Hose, Rubber | 8 | Hose | buy |
| A026F216 | Hose, Rubber | 2 | Hose | buy |
| A026F222 | Hose, Rubber | 3 | Hose | buy |
| A026F225 | Hose, Rubber | 3 | Hose | buy |
| A029J773 | Bracket, Fuel Filter | Fuel filter | buy | |
| A029R129 | Hose, Coolant | 1 | Hose | buy |
| A029R144 | Guard, Belt | 1 | Belt | buy |
| A029R145 | Guard, Belt | 1 | Belt | buy |
| A029R147 | Guard, Belt | 1 | Belt | buy |
| A029R148 | Guard, Belt | 1 | Belt | buy |
| A029R149 | Guard, Belt | 1 | Belt | buy |
| A029R312 | Hose, Vent | 2 | Hose | buy |
| A029R313 | Hose, Vent | 1 | Hose | buy |
| A029R314 | Hose, Vent | 2 | Hose | buy |
| A029R315 | Hose, Vent | 1 | Hose | buy |
| A029R316 | Hose, Vent | 1 | Hose | buy |
| A029T675 | Bracket, Air Filter | Air filter | buy | |
| A029T679 | Bracket, Air Filter | Air filter | buy | |
| A029V015 | Gasket, Radiator | Gasket | buy | |
| A029V053 | Guard, Belt | Belt | buy | |
| A029V055 | Guard, Belt | Belt | buy | |
| A029V056 | Guard, Belt | Belt | buy | |
| A029V057 | Guard, Belt | Belt | buy | |
| A029V140 | Belt, Fan | 5 | Belt | Amazon eBay |
| A029V143 | Hose, Vent | 2 | Hose | buy |
| A029V144 | Hose, Vent | 1 | Hose | buy |
| A029V146 | Hose, Vent | Hose | buy | |
| A029X546 | Bracket, Air Filter | Air filter | buy | |
| A029X641 | Support, Air Filter | Air filter | buy | |
| A030L923 | Sender, Temperature | 2 | Sensor | buy |
| A032X930 | Bracket, Air Filter | Air filter | buy | |
| A032X934 | Bracket, Air Filter | Air filter | buy | |
| A035K363 | Sender, Low Coolant | 1 | Sensor | buy |
| A040G048 | Guard, Belt | 1 | Belt | buy |
| A040T159 | Guard, Belt | Belt | buy | |
| A040Z117 | Guard, Belt | 1 | Belt | buy |
| A040Z215 | Guard, Belt | Belt | buy | |
| A041L573 | Support, Air Cleaner | Air filter | buy | |
| A041L575 | Support, Air Filter | Air filter | buy | |
| A048N280 | Sensor, Temperature - Battery Charger | 1 | Sensor | buy |
| A052C659 | Seal, Weather | 2 | Seal | buy |
| A052C714 | Seal, Cable | 2 | Seal | buy |
| A052C716 | Seal, Weather | 2 | Seal | buy |
| A053A190 | Hose, Oil | 1 | Hose | buy |
| A054S683 | Harness, Sensor | 1 | Sensor | buy |
| A055Y819 | Bracket, Fuel Filter | Fuel filter | buy | |
| A056M330 | Bracket, Fuel Filter | Fuel filter | buy | |
| A056M334 | Bracket, Fuel Filter | Fuel filter | buy | |
| A056S669 | Bracket, Fuel Filter | 1 | Fuel filter | buy |
| A059V641 | Hose, Oil | 2 | Hose | buy |
| A059V645 | Hose, Oil | 1 | Hose | buy |
| AF25544 | Primary Element Fleetguard | 4 | Air filter | Amazon eBay $350.00 |
| AF25545 | Safety Element Fleetguard | 4 | Air filter | Amazon eBay $350.00 |
| AF2559300 | Replacement Element − Nelson | 2 | Air filter | Amazon eBay |
| 0098-8104-06 | Label, Warning | 1 | Service part / kit | buy |
| 0130-7270 | Spacer | 1 | Service part / kit | buy |
| 0140-1260 | Fitting, Filter | 4 | Service part / kit | Amazon eBay $35.00 |
| 0140-1548 | Element, Replacement | 2 | Service part / kit | Amazon eBay |
| 0140-2052 | Element, Replacement | Service part / kit | Amazon eBay | |
| 0140-2098 | Hood, Air Inlet | Service part / kit | Amazon eBay | |
| 0140-2099 | Element, Primary | Service part / kit | Amazon eBay $3.99 | |
| 0140-2528 | Filter, Air | Service part / kit | Amazon eBay $59.57 | |
| 0140-3230 | Filter, Air | 4 | Service part / kit | Amazon eBay |
| 0140-3963 | Filter, Air | 2 | Service part / kit | Amazon eBay |
| 0155-2063-08 | Industrial - End Inlet | 1 | Service part / kit | buy |
| 0155-2064-08 | Residential - End Inlet | 1 | Service part / kit | buy |
| 0155-2065-08 | Critical - End Inlet | 1 | Service part / kit | buy |
| 0155-2340-03 | Industrial - Side Inlet | 1 | Service part / kit | buy |
| 0155-2341-03 | Residential - Side Inlet | 1 | Service part / kit | buy |
| 0155-2341-10 | Residential - Side Inlet | Service part / kit | buy | |
| 0155-2342-03 | Crtical - Side Inlet | 1 | Service part / kit | buy |
| 0155-2342-10 | Crtical - Side Inlet | Service part / kit | buy | |
| 0155-2696-05 | Critical - Middle Side Inlet | 1 | Service part / kit | buy |
| 0300-6315-02 | Display, Control | 1 | Service part / kit | buy |
| 0300-6366-02 | Display, Control | 1 | Service part / kit | buy |
| 0305-1009 | Suppressor, Voltage | 6 | Service part / kit | buy |
| 0307-2874 | Relay, Control | 6 | Service part / kit | buy |
| 0307-2968-04 | Relay, Power | 2 | Service part / kit | buy |
| 0307-3003-01 | Relay, Ground Fault | 1 | Service part / kit | buy |
| 0319-5877 | Brace, Cover | Service part / kit | buy | |
| 0321-0321-04 | Fuse, Fast | 6 | Service part / kit | buy |
| 0321-0321-06 | Fuse, Fast | 2 | Service part / kit | buy |
| 0321-0321-07 | Fuse, Fast | 3 | Service part / kit | buy |
| 0327-1536 | Card, Input Output | 1 | Service part / kit | buy |
| 0327-1593 | Card, Control | 1 | Service part / kit | buy |
| 0327-1601-01 | Module, Alarm | Service part / kit | buy | |
| 0332-0941 | Tie, Cable (Not Shown) | Service part / kit | buy | |
| 0332-1389 | Tie, Cable (Not Shown) | 37 | Service part / kit | buy |
| 0332-1794 | Tie, Cable | 6 | Service part / kit | buy |
| 0332-2744-06 | Standoff, Insulator | Service part / kit | buy | |
| 0332-2879-08 | Module, Alarm | Service part / kit | buy | |
| 0332-3008 | Transformer, Differential Current − MV7 | 8 | Service part / kit | buy |
| 0332-3190 | Block, Terminal | 1 | Service part / kit | buy |
| 0332-4088 | Harness, Wiring (Bearing RTD) | Service part / kit | buy | |
| 0332-4106 | Mount, Cable Tie | 32 | Service part / kit | buy |
| 0332-4145 | Rail, Terminal Block | Service part / kit | buy | |
| 0332-4320 | Block, Terminal | 10 | Service part / kit | buy |
| 0406-0810 | Hinge | 6 | Service part / kit | buy |
| 0406-0930 | Latch, Door | 2 | Service part / kit | buy |
| 0488-0360-02 | Filter, Fuel − Duplex | Service part / kit | Amazon eBay | |
| 0501-0970-01 | Line, Fuel | 1 | Service part / kit | buy |
| 0501-0970-02 | Line, Fuel | 1 | Service part / kit | Amazon eBay |
| 0502-1588 | Fitting, Tube Elbow | 1 | Service part / kit | Amazon eBay |
| 0502-1592 | Fitting, Tube Elbow | 1 | Service part / kit | Amazon eBay |
| 0503-0970 | Cleaner, Air | Service part / kit | Amazon eBay | |
| 0503-1484 | Element, Safety | Service part / kit | Amazon eBay | |
| 0503-1717 | Element, Primary | Service part / kit | Amazon eBay | |
| 0503-1720 | Element, Safety | Service part / kit | Amazon eBay | |
| 0503-1721 | Element, Primary | Service part / kit | Amazon eBay | |
| 0503-1872-11 | Service part / kit | buy | ||
| 0503-1872-13 | Service part / kit | buy | ||
| 0503-1872-16 | Service part / kit | buy | ||
| 0505-0007 | *Bushing, Reducer | Service part / kit | buy | |
| 0505-0023 | Bushing, Reducer | 1 | Service part / kit | buy |
| 0508-1057 | Grommet | 1 | Service part / kit | buy |
| 0517-0131 | Plug, Hole | 2 | Service part / kit | buy |
| 0517-0135 | Plug, Hole | 2 | Service part / kit | buy |
| 0517-0138-08 | Plug, Hole | 1 | Service part / kit | buy |
| 0518-0548-02 | Clamp | 4 | Service part / kit | buy |
| 0518-0548-15 | Clamp, Cable | 1 | Service part / kit | buy |
| 0518-0548-22 | Clamp | Service part / kit | buy | |
| 0518-0548-25 | Harness, AC − P7 | Service part / kit | buy | |
| 0518-0548-46 | Clamp | Service part / kit | buy | |
| 0526-0009 | Harness, AC − MV7 | Service part / kit | buy | |
| 0526-0011 | Harness, Alternating Current | Service part / kit | buy | |
| 0526-0100 | Box, Terminal | Service part / kit | buy | |
| 0526-0399-22 | Washer, Flat (7/16") | Service part / kit | buy | |
| 0526-0399-54 | Washer, Flat | Service part / kit | buy | |
| 0526-0399-56 | Washer-Flat (M5) | Service part / kit | buy | |
| 0526-0399-58 | Control, Genset | Service part / kit | buy | |
| 0526-0399-59 | Control, Genset | Service part / kit | buy | |
| 0526-0399-60 | Washer-Flat (M8) | Service part / kit | buy | |
| 0526-0399-62 | Washer-Flat (M10) | Service part / kit | buy | |
| 0526-0399-63 | Washer, Flat | Service part / kit | buy | |
| 0526-0449 | Shield, Heat | Service part / kit | buy | |
| 0526-0451 | Box, Terminal | Service part / kit | buy | |
| 0526-2060 | Card, Control | Service part / kit | buy | |
| 0526-2140 | Box, Control Mounting | Service part / kit | buy | |
| 0800-0003 | Box, Terminal - Components | Service part / kit | buy | |
| 0800-0088 | Screw, Hex Head | Service part / kit | buy | |
| 0800-0093 | Screw, Hex Head | Service part / kit | buy | |
| 0800-0094 | Screw, Hex Head | Service part / kit | buy | |
| 0800-0095 | Box, Terminal | Service part / kit | buy | |
| 0800-0096 | Link, Neutral | Service part / kit | buy | |
| 0800-0152 | Shield, Heat | Service part / kit | buy | |
| 0800-0310-50 | Service part / kit | buy | ||
| 0800-2059 | Harness, Alternating Current | Service part / kit | buy | |
| 0800-2060 | Screw, Hex Head | Service part / kit | buy | |
| 0800-2112 | Box, Control Mounting | Service part / kit | buy | |
| 0800-2114 | Screw, Hex Head | Service part / kit | buy | |
| 0800-3017-24 | Housing, Terminal - P7 - No Control | Service part / kit | buy | |
| 0800-3017-38 | Regulator, Oil Maintainer | Service part / kit | buy | |
| 0800-3017-39 | Screw, Hex Head | Service part / kit | buy | |
| 0815-0793-02 | Module, Alarm | Service part / kit | buy | |
| 0815-0793-05 | Card, Input Output | Service part / kit | buy | |
| 0815-0793-07 | Module, Alarm | Service part / kit | buy | |
| 0815-0947 | Panel, Ancillaries | Service part / kit | buy | |
| 0815-0949 | Panel, Ancillaries | Service part / kit | buy | |
| 0819-1154 | Card, Control | Service part / kit | buy | |
| 0819-1161-01 | Service part / kit | buy | ||
| 0821-2020 | Control, Genset | Service part / kit | buy | |
| 0821-6001-01 | Module, Alarm | Service part / kit | buy | |
| 0821-6001-02 | Harness, Wiring (Winding RTD) | Service part / kit | buy | |
| 0821-6001-03 | Box, Terminal - P7 - Circuit Breaker Box | Service part / kit | buy | |
| 0821-6002-02 | Screw, Hex Head | Service part / kit | buy | |
| 0821-6003-02 | Screw, Hex Head | 8 | Service part / kit | Amazon eBay |
| 0821-6004-01 | Harness, Wiring (Winding RTD) | Service part / kit | buy | |
| 0823-0002-06 | Module, Alarm | Service part / kit | buy | |
| 0823-1001-03 | Card, Control | Service part / kit | buy | |
| 0850-0030 | Service part / kit | buy | ||
| 0850-0040 | Box, Terminal - Components | Service part / kit | buy | |
| 0850-2003 | Charger, Battery | Service part / kit | buy | |
| 0850-2012 | Box, Control Mounting | Service part / kit | buy | |
| 0851-0023 | Box, Terminal | Service part / kit | buy | |
| 0851-0048-01 | Washer, Belleville | 14 | Service part / kit | buy |
| 0851-0048-02 | Washer, Beleville (M10) | 16 | Service part / kit | buy |
| 0851-0048-03 | Washer, Belleville | 1 | Service part / kit | buy |
| 0853-0040-53 | Control, Genset | Service part / kit | buy | |
| 0853-0040-56 | Box, Control Mounting | Service 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
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Base | 100% | 307.0 | 81.1 |
| Continuous | 100% | 331.0 | 87.4 |
| Prime | 25% | 104.0 | 27.4 |
| Prime | 50% | 190.0 | 50.2 |
| Prime | 75% | 265.0 | 69.8 |
| Prime | 100% | 415.0 | 109.6 |
| Standby | 25% | 120.0 | |
| Standby | 50% | 212.0 | |
| Standby | 75% | 290.0 | |
| Standby | 100% | 373.0 | 98.4 |
Available documents
Engine specSpec sheetReferenceParts manual