Specifications
| Oil capacity | 38.98 L |
|---|---|
| Dry weight | 989 kg |
Maintenance & consumables
for the Cummins/Onan ISM| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | 15,000 miles / 24,000 km | — | find | ||
| Oil filter | 15,000 miles / 24,000 km | — | find | ||
| Coolant filter | 50,000 miles / 80,000 km | — | find | ||
| Oil | 39.0 liters | — |
Common questions
What engine does the Cummins/Onan IS use?
The Cummins/Onan IS is powered by the Cummins/Onan ISM engine.
What is the oil capacity of the Cummins/Onan IS?
The Cummins/Onan ISM engine in the Cummins/Onan IS has an oil capacity of 38.98 liters.
Parts
80model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 109080 | SEAL,O RING | 2 | Gasket | buy |
| 3020183 | SEAL,OIL | 1 | Gasket | buy |
| 3020943 | GASKET,EXHAUST MANIFOLD | 6 | Gasket | ttmdiesel $5.00 |
| 3069177 | GASKET,TURBOCHARGER | 1 | Gasket | buy |
| 3069678 | SEAL,OIL | 2 | Gasket | buy |
| 3070477 | GASKET,OIL COOLER SUPPO | 1 | Gasket | buy |
| 3072341 | GASKET,OIL TRF CONNECTION | 1 | Gasket | buy |
| 3076203 | SEAL,DUST | 1 | Gasket | buy |
| 3099083 | GASKET,OIL PAN | 1 | Gasket | buy |
| 3102314 | GASKET, TURBOCHARGER | 1 | Gasket | ddtp $9.99 |
| 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.) | 1 | Air filter | buy |
| 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.) | 1 | Air filter | buy |
| 3682940 | GASKET, EXHAUST MANIFOLD | 1 | Gasket | FridayParts $39.00 |
| 3823579 | CELECT™ Injector Puller and Driver Assembly (Used to remove and install CELECT™ injectors.) | 1 | Injector | buy |
| 3865235 | GASKET,EXHAUST MANIFOLD | 3 | Gasket | buy |
| 4058949 | GASKET,GEAR COVER | 1 | Gasket | buy |
| 4955383 | SEAL, OIL | 1 | Gasket | ddtp $59.90 |
| 4962722 | SEAL, RECTANGULAR STRIP | 1 | Gasket | buy |
| 4965690 | GASKET, ACC DRIVE SUPPOR | 1 | Gasket | buy |
| 4973108 | THERMOSTAT | 1 | Thermostat | FridayParts $149.68 |
| 4985562 | GASKET, GEAR HOUSING | 1 | Gasket | ddtp $54.90 |
| 5486657 | GASKET, EXHAUST MANIFOLD | 4 | Gasket | buy |
| 5579049 | KIT, AIR COMPRESSOR | 1 | Kit | ddtp $649.90 |
| 5579051 | KIT,SERVICE | 1 | Kit | buy |
| 5579052 | KIT,OIL COOLER | 1 | Kit | buy |
| 5579053 | KIT, EXHAUST MANIFOLD | 1 | Kit | buy |
| 5579054 | KIT, EXHAUST MANIFOLD | 1 | Kit | buy |
| 5579055 | KIT, EXHAUST MANIFOLD | 1 | Kit | buy |
| 5579056 | KIT, EXHAUST MANIFOLD | 1 | Kit | buy |
| 5579057 | KIT,EXHAUST MANIFOLD | 1 | Kit | buy |
| 5579058 | KIT,EXHAUST MANIFOLD | 1 | Kit | buy |
| 5579059 | KIT,EXHAUST MANIFOLD | 1 | Kit | buy |
| 5579060 | KIT,EXHAUST MANIFOLD | 1 | Kit | buy |
| 5579061 | KIT, GEAR COVER | 1 | Kit | buy |
| 5579062 | KIT, GEAR HOUSING | 1 | Kit | buy |
| 5579063 | KIT,GEAR COVER | 1 | Kit | buy |
| 5579064 | KIT,OIL PAN | 1 | Kit | buy |
| 5579065 | KIT,OIL PAN | 1 | Kit | buy |
| 5579066 | KIT,THERMOSTAT | 1 | Kit | buy |
| CV50626 | Crankcase Breather Element | 1 | Crankcase breather element | dieselpartscenter $73.51 |
| CV50633 | Crankcase Breather Element | 1 | Crankcase breather element | kuduparts $68.00 |
| FF2200 | Fuel Filter (Pressure) | Fuel filter | atldiesel $37.61 | |
| FF5776 | Fuel Filter (Pressure) | 1 | Fuel filter | kuduparts $67.00 |
| FF5825 | Fuel Filter (Pressure) | 1 | Fuel filter | buy |
| FF5825NN | Fuel Filter (Pressure) | Fuel filter | Amazon eBay $107.00 | |
| LF14000NN | Lubricating Oil Filter | Oil filter | Amazon eBay $111.00 | |
| LF9070 | Lubricating Oil Filter | 1 | Oil filter | eBay $51.00 |
| LF9080 | Lubricating Oil Filter | Oil filter | kuduparts $34.00 | |
| ST-434-1 | Hose Adapter (Used with vacuum gauge, Part Number ST-434. Use Part Number ST-434-1 with Number 8 hose.) | 1 | Hose | buy |
| ST-434-2 | Hose Adapter (Used with vacuum gauge, Part Number ST-434. Use Part Number ST-434-2 with Number 10 hose.) | 1 | Hose | buy |
| ST-998 | 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.) | 1 | Air filter | buy |
| WF2127 | Coolant Filter | Coolant filter | FridayParts $183.90 | |
| 3046951 | PAN,OIL | 1 | Service part / kit | buy |
| 3056155 | STUD,DOUBLE END PLAIN | 4 | Service part / kit | buy |
| 3064309 | PIN,ROLL | 1 | Service part / kit | buy |
| 3065022 | MANIFOLD,EXHAUST | 1 | Service part / kit | buy |
| 3078322 | MANIFOLD,EXHAUST | 1 | Service part / kit | atldiesel $174.56 |
| 3078323 | MANIFOLD,EXHAUST | 1 | Service part / kit | buy |
| 3078324 | MANIFOLD,EXHAUST | 1 | Service part / kit | buy |
| 3161423 | ROLLER,CAM FOLLOWER | 1 | Service part / kit | buy |
| 3166388 | PIN,CAM FOLLOWER ROLLER | 1 | Service part / kit | buy |
| 3376807 | thread adapter sealing ring (1) | 1 | Service part / kit | buy |
| 3413091 | COOLER,OIL | 1 | Service part / kit | buy |
| 3682959 | MANIFOLD, EXHAUST | 1 | Service part / kit | buy |
| 3684295 | MANIFOLD, EXHAUST | 1 | Service part / kit | buy |
| 3688114 | PLUG, GEAR COVER | 1 | Service part / kit | buy |
| 3689250 | MANIFOLD, EXHAUST | 1 | Service part / kit | buy |
| 3822735 | Plastic bead media | Service part / kit | buy | |
| 3823451 | Static Injection Timing Tool (Used to measure static timing.) | 1 | Service part / kit | buy |
| 4059393 | HOUSING, GEAR | 1 | Service part / kit | buy |
| 4318216 | COMPRESSOR, AIR | 1 | Service part / kit | buy |
| 4952236 | MANIFOLD, EXHAUST | 1 | Service part / kit | buy |
| 4973081 | COVER, GEAR | Service part / kit | buy | |
| 5278786 | COVER,GEAR | 1 | Service part / kit | buy |
| 5558845 | PAN,OIL | 1 | Service part / kit | buy |
| CV50031 | Crankcase Breather | Service part / kit | ddtp $114.90 | |
| ST-1111-3 | manometer | 1 | Service part / kit | buy |
| ST-434 | Vacuum Gauge (0 to 30 in. Hg) | 1 | Service part / kit | buy |
| UF101 | Diesel Particulate Filter | Service part / kit | dieselpartscenter $47.76 | |
| UF106 | DEF Dosing Filter | Service part / kit | firsttruck $39.00 |
Compiled from this model's family documentation — may include parts for closely-related variants. 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 |
|---|---|---|---|
| Prime | |||
| Standby |
Available documents
Engine specSpec sheetReferenceOwner's manualParts manualService manual