Service parts for the CFP59-F20
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredBelts
1 requiredElectrical
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Prime power | 111 kW |
|---|---|
| Controller | Fire Pump Digital (FPDP) |
| Oil capacity | 14.2 L |
| Voltage options | 27 V, 23 V |
| Battery cranking | 900 CCA |
| Coolant capacity | 4 L |
| Dry weight | 798 kg |
| Sound level | 96.3 dBA |
Engine
| Oil capacity | 14.2 L |
|---|---|
| Coolant capacity | 10.5 L |
| Displacement | 5.9 L |
| Aspiration | Turbocharged; Charge-Air Cooled |
| Rated speed | 2100 rpm |
Filters for the Cummins/Onan B5.9
5Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P558615 | Lube Filter, Spin-On Full Flow | CUMMINS 10521, CUMMINS 3865405, NAPA 1607, NAPA 61607 | buy |
| Fuel filter | P550440 | Fuel Filter, Spin-On Secondary | CUMMINS 3831063, CUMMINS 3890707, NAPA 3358, BALDWIN BF788 | FridayParts $356.80 |
| Fuel filter | P553004 | Fuel Filter, Spin-On | CUMMINS 3903640, CUMMINS 53C0045, NAPA 3358, RENAULT VI 0000150564 | FridayParts $18.20 |
| Fuel / water separator | P551329 | Fuel Filter, Water Separator Spin-On Twist&Drain | CUMMINS 11E170210, CUMMINS 3890063, NAPA 3357, BALDWIN BF1280 | FridayParts $151.00 |
| Fuel / water separator | P550248 | Fuel Filter, Water Separator Spin-On Twist&Drain | CUMMINS 1492827, CUMMINS 3286503, NAPA 3472, BALDWIN BF1226 | FridayParts $229.00 |
Maintenance & consumables
for the Cummins/Onan B5.9| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Cleaner | RU5045 | Amazon eBay $26.95 NAPA $101.05 | ||
| Fuel filter | Fuel Filter | FS1251/FF42000 | buy | ||
| Fuel filter | Recommended fuel filter - primary, secondary | — | 500 hr | ||
| Oil filter | Recommended lube oil filter | — | 250 hr | ||
| Battery | 12V-DC | 12V-DC | Amazon Amazon eBay eBay $69.95 FridayParts $11.85 SinoCMP $65.00 | ||
| Belt | Belt | 3288689 | Amazon eBay $17.47 NAPA $27.11 FridayParts $35.44 KuduParts $54.00 | ||
| Coolant | 50-percent water and 50-percent ethylene glycol or propylene glycol-base antifreeze; low-silicate meeting ASTM 4985 (GM6038M) | — | 6000 hr | ||
| Coolant filter | N/A | — | |||
| Oil | Oil capacity of pan (high - low) | 15.0 qt | — | 250 hr | |
| Spark plug | — |
Common questions
What engine does the Cummins/Onan CFP59-F20 use?
The Cummins/Onan CFP59-F20 is powered by the Cummins/Onan B5.9 engine.
What's the oil capacity on a Cummins/Onan CFP59-F20?
The Cummins/Onan B5.9 engine in the Cummins/Onan CFP59-F20 has an oil capacity of 14.2 liters.
What is the cooling system capacity of the Cummins/Onan CFP59-F20?
The Cummins/Onan CFP59-F20 cooling system holds 4 liters (1.1 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
How loud is the Cummins/Onan CFP59-F20?
The Cummins/Onan CFP59-F20 is rated at 96.3 dBA, per the manufacturer specification sheet.
How much does the Cummins/Onan CFP59-F20 weigh?
The Cummins/Onan CFP59-F20 has a dry weight of 798 kg (1759 lb).
What voltage does the Cummins/Onan CFP59-F20 produce?
The Cummins/Onan CFP59-F20 is offered in 27 V, 23 V.
What battery does the Cummins/Onan CFP59-F20 use?
The Cummins/Onan CFP59-F20 uses 900 CCA, per the manufacturer specification sheet.
Which fuel filter part number does the Cummins/Onan CFP59-F20 take?
The Cummins/Onan CFP59-F20 uses fuel filter part number FS1251/FF42000.
What air filter fits the Cummins/Onan CFP59-F20?
The Cummins/Onan CFP59-F20 uses air filter part number RU5045.
Parts
23| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 3288689 | Belt | As needed | Belt | Amazon eBay $17.47 NAPA $27.11 FridayParts $35.44 KuduParts $54.00 |
| 3822509 | Injection Pump Bore Brush Service Tool | 1 | Injector | Amazon eBay |
| 3971603 | Starter 12V | As needed | Starter | Amazon eBay $186.96 NAPA $253.51 |
| 4988274 | Alternator | As needed | Alternator | Amazon eBay FridayParts $145.60 |
| FS1251/FF42000 | Fuel Filter | 1 | Fuel filter | buy |
| LF3959 | Lube Filter | 1 | Lube filter | Amazon eBay $16.99 NAPA $15.10 |
| RU5045 | Air Cleaner | 1 | Air filter | Amazon eBay $26.95 NAPA $101.05 |
| V70509 | Lube Oil | 4 Gal. | Fluid | Amazon eBay |
| 12.001-3678-000 | Lubricating Oil Pressure Gauge | 1 | Service part / kit | buy |
| 13.001-3901-000 | Battery A/B Switch | 1 | Service part / kit | buy |
| 14.001-3912-000 | ON/OFF Switch (AUTO/MANUAL) | 1 | Service part / kit | buy |
| 3305062 | Heater, 240V | As needed | Service part / kit | Amazon eBay |
| 3315032 | Heater, 120V | As needed | Service part / kit | Amazon eBay |
| 3823494 | Lubricating oil filter | Service part / kit | Amazon eBay | |
| 3824591 | Barring tool Rotate the engine | 1 | Service part / kit | Amazon eBay FridayParts $18.60 |
| 3885910 | Red Paint, Spray can | 1 | Service part / kit | Amazon eBay |
| 5.001-2674-000 | True Warning Light | 1 | Service part / kit | buy |
| 6.001-3789-000 | Low Oil Pressure Warning Light | 1 | Service part / kit | buy |
| 7.001-3890-000 | Circuit Breaker | 1 | Service part / kit | buy |
| 8210G003-12VDC | 3/4" 12V solenoid | As needed | Service part / kit | Amazon eBay |
| 8210G3-24VDC | 3/4" 24V solenoid | As needed | Service part / kit | Amazon eBay |
| C2800 | Fleetguard® refractometer | 1 | Service part / kit | Amazon eBay NAPA $393.59 |
| CC2800 | Fleetguard refractometer | 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.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 27.6 | 10.4 | |
| Standby | 23.8 | 6.3 |
Available documents
This page was generated from the 3 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.