Service parts for the 17.5RDJF-3CR
Grouped by system, with how many of each the parts manual calls for.
Oil system
1 requiredBelts
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 17.5 kW |
| Standby kVA | 21 |
| Oil capacity | 11.36 L |
| Alternator | YD (4-pole) |
| Voltage options | 120/240 V |
| Phase | 1 |
| Power factor | 1.0 |
| Battery group | IH |
| Battery voltage | 12 V |
| Battery quantity | 2 |
| Coolant capacity | 11.36 L |
| Dimensions (L×W×H) | 1574×686×1019 mm |
| Dry weight | 507 kg |
Engine
| Oil capacity | 6.15 L |
|---|---|
| Coolant capacity | 11.36 L |
| Displacement | 2.3 L |
| Aspiration | Naturally Aspirated |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Cummins/Onan RDJF| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | ||||
| Oil filter | Filter | 122-0185 | Amazon Amazon eBay $19.55 eBay $14.00 NAPA $12.88 | ||
| Battery | — | ||||
| Belt | Belt, Fan | 511-0101 | eBay | ||
| Coolant | — | ||||
| Oil | 11.36 | — | |||
| Spark plug | — |
Common questions
What is the power rating of the Cummins/Onan 17.5RDJF-3CR?
The Cummins/Onan 17.5RDJF-3CR is rated 17.5 kW standby (21.875 kVA).
Which engine powers the Cummins/Onan 17.5RDJF-3CR?
The Cummins/Onan 17.5RDJF-3CR is powered by the Cummins/Onan RDJF engine.
Is the Cummins/Onan 17.5RDJF-3CR diesel or gas?
The Cummins/Onan 17.5RDJF-3CR runs on Diesel.
What is the oil capacity of the Cummins/Onan 17.5RDJF-3CR?
The Cummins/Onan RDJF engine in the Cummins/Onan 17.5RDJF-3CR has an oil capacity of 6.15 liters.
How much coolant does the Cummins/Onan 17.5RDJF-3CR hold?
The Cummins/Onan 17.5RDJF-3CR cooling system holds 11.36 liters (3.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
How much does the Cummins/Onan 17.5RDJF-3CR weigh?
The Cummins/Onan 17.5RDJF-3CR has a dry weight of 507 kg (1117 lb).
What voltages is the Cummins/Onan 17.5RDJF-3CR available in?
The Cummins/Onan 17.5RDJF-3CR is offered in 120/240 V, 1-phase.
How many cold cranking amps does the Cummins/Onan 17.5RDJF-3CR require?
The Cummins/Onan 17.5RDJF-3CR uses 2 batteryies, 12 V each, group IH, per the manufacturer specification sheet.
What alternator comes on the Cummins/Onan 17.5RDJF-3CR?
The Cummins/Onan 17.5RDJF-3CR uses a YD alternator. It has 4 poles.
Which oil filter part number does the Cummins/Onan 17.5RDJF-3CR take?
The Cummins/Onan 17.5RDJF-3CR uses oil filter part number 122-0185.
Parts
119| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 110-0419 | Gasket, Shield to Head (Copper) | 4 | Gasket | Amazon eBay |
| 110-0546 | Gasket, Glow Plug | 2 | Gasket | Amazon eBay $9.95 |
| 110-1852 | Gasket, Head | 2 | Gasket | Amazon eBay |
| 110-2464 | Gasket, Cylinder Head | 1 | Gasket | Amazon eBay |
| 120-0547 | Pump Assembly, Oil | 1 | Pump | Amazon eBay $295.00 |
| 120-0551 | Cup Assembly, Oil Pump Intake | 1 | Pump | Amazon eBay |
| 122-0182 | Adapter, Oil Filter | 1 | Oil filter | Amazon eBay |
| 122-0185 | Filter, Oil | 1 | Oil filter | Amazon Amazon eBay $19.55 eBay $14.00 NAPA $12.88 |
| 122-0188 | Gasket, Oil Adapter | 1 | Gasket | Amazon eBay |
| 122-0193 | Filter, Oil - Heavy Duty (5-3/4") | 1 | Oil filter | Amazon eBay $18.32 NAPA $10.64 |
| 122-0325 | Filter, Fuel - Primary | 1 | Fuel filter | Amazon eBay $75.00 NAPA $35.18 |
| 122-0326 | Filter, Fuel - Secondary | 1 | Fuel filter | Amazon eBay $65.00 NAPA $37.59 |
| 131-0139 | Gasket - Water Pump Housing | 1 | Gasket | eBay |
| 131-0140 | Gasket - Water Outlet Housing | 1 | Gasket | eBay |
| 132-0072 | Gasket - Water Pump | 1 | Gasket | eBay |
| 132-0133 | Fresh water pump, with metal impeller | 1 | Pump | Amazon eBay |
| 140-0500 | Cleaner, Air - Oil Bath | 1 | Air filter | eBay |
| 140-0519 | Band, Air Cleaner | 1 | Air filter | Amazon eBay |
| 140-0679 | Oil Bath Air Cleaner Assembly (Complete) - Includes Parts Marked * | 1 | Air filter | eBay |
| 140-0721 | Cleaner, Air (Includes Element And Baffle) | 1 | Air filter | Amazon eBay $12.13 |
| 140-0723 | Pre-Cleaner, Air Cleaner | 1 | Air filter | Amazon eBay $139.00 |
| 140-0765 | Element, Air Cleaner | 1 | Air filter | Amazon eBay $12.13 |
| 140-1212 | Adapter, Air Cleaner Hose | 1 | Air filter | Amazon eBay |
| 147-0043 | Gasket, Nozzle Heat Shield (Asbestos) | 4 | Gasket | Amazon eBay |
| 147-0044 | Shield, Nozzle Heat (Steel) | 4 | Injector | Amazon eBay $24.95 |
| 147-0134 | Nozzle Only | 4 | Injector | Amazon eBay $87.50 |
| 147-0136 | Nozzle & Holder Assembly | 4 | Injector | Amazon eBay |
| 147-0145 | Shim Kit - Injection Pump Mounting | 1 | Pump | Amazon eBay |
| 147-0183 | Valve, Check - Injection Pump (constant bleed) | 1 | Fuel pump | Amazon eBay $145.00 |
| 147-0232 | Pump Kit, Injection - Begin Spec R (Includes Governor Ball Joint, Nut and Parts Marked $) | 1 | Pump | eBay |
| 147-0243 | Gasket, Nozzle | 4 | Gasket | Amazon eBay |
| 149-0463 | Valve, Check | 1 | Fuel filter | Amazon eBay |
| 149-0517 | Gasket, Fuel Pump Bowl | 1 | Gasket | Amazon eBay |
| 149-1020 | Pump, Fuel (includes mounting gasket) | 1 | Pump | eBay |
| 149-1046 | Repair Kit, Fuel Pump (Includes Diaphragm and Gaskets) | 1 | Pump | Amazon eBay |
| 150-1046 | Switch Assembly - Overspeed | 1 | Sensor | eBay |
| 154-0733 | Gasket, Intake Manifold | 1 | Gasket | Amazon eBay $50.00 |
| 154-0738 | Gasket, Exhaust Outlet | 1 | Gasket | Amazon eBay |
| 154-1057 | Gasket, Exhaust Manifold | 4 | Gasket | Amazon eBay |
| 168-0108 | Gasket Kit, Engine | 1 | Gasket | eBay |
| 191-0543 | Alternator - 12 Volt, 35 Amps (optional belt driven) | 1 | Belt | Amazon eBay FridayParts $217.80 |
| 191-0642 | Regulator, Voltage | 1 | Avr | eBay |
| 191-0713 | Armature, 24 Volt (starter option) | 1 | Starter | Amazon eBay |
| 191-1134 | Brush Set, Service - 24 Volt | 1 | Brush | Amazon eBay |
| 193-0104 | Sender Unit - Water Temperature | 1 | Sensor | Amazon eBay |
| 193-0108 | Sender, Oil Pressure Gauge | 1 | Sensor | Amazon eBay $119.99 |
| 193-0271 | Sender, Oil Pressure | 1 | Sensor | eBay |
| 211-0152 | Bell, End - Alternator To Exciter | 1 | Alternator | eBay |
| 309-0054 | Thermostat | 1 | Thermostat | eBay |
| 309-0064 | 1 Spec A through F | 1 | Sensor | Amazon eBay |
| 309-0169 | Switch, Low Oil Pressure | 1 | Sensor | Amazon eBay |
| 309-0177 | 309-0177 190-0251 l~o-0253 | 1 | Sensor | eBay |
| 309-0178 | Switch, High Water Temperature Top Mounted On Water Outlet Housing | 1 | Sensor | Amazon eBay $350.00 |
| 309-0179 | Switch, High Water Temperature (Standard Part) Side Mounted On Water Outlet Housing | 1 | Sensor | Amazon eBay |
| 309-0302 | Switch, High Temperature Cut Off | 1 | Sensor | eBay |
| 333-0106 | Plug, Glow - 12 Volt (includes gasket) | 4 | Glow plug | Amazon eBay |
| 333-0107 | Glow Plug (24 Volt) - includes gasket | 2 | Glow plug | Amazon eBay |
| 502-0065 | ELBOW, NOZZLE (Fuel Return Line) Inverted 45 Degrees (#1 and 4 Cylinders) | 2 | Gasket | Amazon eBay |
| 503-0444 | Hose, Air Cleaner | 1 | Hose | Amazon eBay |
| 503-0460 | Hose, Heat Exchanger To Pump Inlet (3/4" ID X 7" Long) | 1 | Hose | eBay |
| 503-0461 | Hose, Heat Exchanger Inlet To Top Of Exchanger Chamber (3/4" ID X 13-1/4" Long) | 1 | Hose | eBay |
| 503-0478 | Hose, Water Inlet - 9" Lg. | 1 | Hose | eBay |
| 503-0679 | Hose, Overflow - Expansion Chamber | 1 | Hose | eBay |
| 503-0711 | Hose, Pump Outlet To Block (3/4" ID X 6" Long) | 1 | Hose | eBay |
| 509-0086 | Seal, Crankshaft Rear | 1 | Seal | Amazon eBay |
| 509-0087 | Seal, Oil | 1 | Seal | Amazon eBay $29.75 |
| 509-0088 | Seal, Governor Shaft | 1 | Seal | Amazon eBay |
| 509-0090 | Seal, Oil - Intake Valve | 1 | Seal | Amazon eBay |
| 509-0094 | Seal, Bearing (O Ring) | 1 | Seal | Amazon eBay |
| 509-0132 | Seal, Oil - Intake Valve | 4 | Seal | Amazon eBay |
| 511-0066 | Belt, Drive | 1 | Belt | Amazon eBay |
| 511-0101 | BELT, DRIVE - Engines With Alternator | 1 | Belt | eBay |
| 511-0103 | Water Pump Belt - Heat Exchanger Pump | 1 | Belt | Amazon eBay |
| 104-0464 | Crankshaft | 1 | Service part / kit | Amazon eBay |
| 110-1221 | Spring, Valve | 8 | Service part / kit | Amazon eBay |
| 110-1268 | Insert, Valve Seat - Standard | 8 | Service part / kit | Amazon eBay |
| 110-1278 | Valve, Exhaust | 4 | Service part / kit | Amazon eBay NAPA $93.84 |
| 110-1320 | Valve, Intake | 1 | Service part / kit | Amazon eBay $49.99 NAPA $215.34 |
| 110-1456 | HEAD, CYLINDER (Without Heat Exchanger) | 2 | Service part / kit | Amazon eBay |
| 110-1501 | Guide, Valve | 8 | Service part / kit | Amazon eBay |
| 110-1541 | HEAD, CYLINDER (With Heat Exchanger) | 2 | Service part / kit | Amazon eBay |
| 110-1856 | HEAD, CYLINDER (Includes Push Rod Guide, Valve Guides and Valve Seat) | 2 | Service part / kit | Amazon eBay |
| 112-0118 | PISTON AND PIN (Includes Pin Retaining Rings) | 4 | Service part / kit | Amazon eBay |
| 113-0137 | Ring, Retaining - Piston Pin | 4 | Service part / kit | Amazon eBay |
| 114-0164 | BEARING HALF, CONNECTING ROD | 2 | Service part / kit | Amazon eBay |
| 114-0168 | Rod Assembly, Connecting | 4 | Service part / kit | Amazon eBay |
| 115-0149 | Rod, Valve-Push (Steel) | 8 | Service part / kit | Amazon eBay |
| 115-0195 | Tappet, Valve | 2 | Service part / kit | Amazon eBay |
| 120-0539 | Valve, Oil By-Pass | 1 | Service part / kit | Amazon eBay $17.50 |
| 130-0892 | Stiffener, Filler Neck - Expansion Chamber OD | 1 | Service part / kit | eBay |
| 130-1672 | Cap, Radiator | 1 | Service part / kit | eBay |
| 140-1260 | Fitting, Safety Filter | 2 | Service part / kit | Amazon eBay $116.27 NAPA $10.13 |
| 154-0840 | Manifold, Intake | 1 | Service part / kit | eBay |
| 155-0824 | Muffler, Exhaust (10-3/8" Lg.) | 1 | Service part / kit | Amazon eBay |
| 155-0985 | Cap, Rain (muffler kit) | 1 | Service part / kit | eBay |
| 190-0258 | Clutch Assembly (Rockford) | 1 | Service part / kit | Amazon eBay |
| 190-0325 | Clutch Assembly (Twin Disc) | 1 | Service part / kit | Amazon eBay |
| 191-1042 | Plate Assembly, Brush - 24 Volt | 1 | Service part / kit | Amazon eBay |
| 220-1282 | Stator Assembly - Wound | 1 | Service part / kit | eBay |
| 220-1309 | Stator Assembly - Wound | 1 | Service part / kit | eBay |
| 220-2287 | Stator, Wound | 1 | Service part / kit | eBay |
| 301-3736 | Panel, Control - Upper | 1 | Service part / kit | eBay |
| 302-0612 | Voltmeter, AC (Scale 0-500) | 1 | Service part / kit | Amazon eBay |
| 307-0597 | Relay - Pilot (1) Fuel (1) | 1 | Service part / kit | eBay |
| 307-0696 | Relay, Cycle Cranker (10 Seconds) | 1 | Service part / kit | eBay |
| 307-0734 | Relay, Cycle Cranker (5 Seconds) | 1 | Service part / kit | eBay |
| 312-0145 | Capacitor - .1 Mfd - Terminal Block | 3 | Service part / kit | eBay |
| 320-0104 | Relay, Low Oil Pressure | 1 | Service part / kit | Amazon eBay $255.00 |
| 320-0259 | Limiter, Cranking | 1 | Service part / kit | eBay |
| 320-0551 | Circuit Breaker, 25 Amp, 3 Pole, 600 Vac | 1 | Service part / kit | eBay |
| 332-0611 | Block, Terminal - 3 Place | 2 | Service part / kit | eBay |
| 332-0795 | Block, Terminal - 16 Place | 1 | Service part / kit | Amazon eBay |
| 353-0015 | Resistor, Fixed - 3.5 Ohm, 10 Watt (Cranking Limiter) | 1 | Service part / kit | eBay |
| 405-1157 | Flange, Air Duct Adapter | 1 | Service part / kit | eBay |
| 405-1889 | Shield, Rain - Muffler | 1 | Service part / kit | eBay |
| 504-0003 | Cock, Drain (1/4 NPT) | 1 | Service part / kit | Amazon eBay |
| 504-0006 | Cock, Drain - Exhaust Manifold (1/8” Pipe) | 1 | Service part / kit | Amazon eBay |
| 505-0266 | Or ive | 1 | Service part / kit | Amazon eBay |
| 517-0059 | Plug (1/4"), Washer Drain | 1 | Service part / kit | Amazon eBay |
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.
Available documents
Operator's manual — 974-0308 Onan RDJF Operator's and Parts Manual (1-1974) (Cummins/Onan)Parts manual — RDJF Special Parts List - RDJF 13943AB-15974AA (Cummins/Onan)Parts manual — RDJF Special Parts List - RDJF 18488AA-21180AB (Cummins/Onan)Parts manual — RDJF Special Parts List - RDJF 1AA-2072AB (Cummins/Onan)Parts manual — RDJF Special Parts List - RDJF 2072AB-10763AA (Cummins/Onan)Parts manual — RDJF Special Parts List - RDJF 21194AB-17382AC (Cummins/Onan)
This page was generated from the 6 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.