Service parts for the NTA855G3 CP400-6 DFCC
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredOil system
1 requiredBelts
1 requiredCooling system
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 | 350 kW |
| Prime power | 322 kW |
| Controller | PCL |
| Oil capacity | 38.6 L |
| Alternator | Stamford/AvK CP400-6 |
| Voltage options | 220 V, 480 V |
| Phase | Single |
| Battery group | 127 |
| Coolant capacity | 84.8 L |
| Max ambient | 40 °C |
| Dry weight | 300 kg |
| Fuel tank | 800.0 L |
Engine
| Oil capacity | 40.0 L |
|---|---|
| Coolant capacity | 64.4 L |
| Displacement | 14.0 L |
| Aspiration | Turbo Aftercooled |
| Rated speed | 1800 rpm |
Filters for the Cummins/Onan NTA855-G3
8Engine-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 | P551670 | Lube Filter, Spin-On Full Flow | CUMMINS 298670, CUMMINS 299670, NAPA 1970, CARBOCOL 0026 | FridayParts $26.68 |
| Oil filter | P550777 | Lube Filter, Spin-On Bypass | CUMMINS 3021658, CUMMINS 33004232, NAPA 1749, BALDWIN B7577 | FridayParts $43.56 |
| Fuel filter | P550105 | Fuel Filter, Spin-On Primary | CUMMINS 154700, CUMMINS 154710, NAPA 3109, NAPA 3405 | buy |
| Fuel filter | P557440 | Fuel Filter, Spin-On Secondary | CUMMINS BM78672, BALDWIN BF970, LPM 00013505994, WALGAHN-MOTORENTECHN 00811464 | FridayParts $189.69 |
| Fuel / water separator | P558000 | Fuel Filter, Water Separator Spin-On Twist&Drain | CUMMINS 3308638, CUMMINS 3308683, NAPA 3405, NAPA 3693 | KuduParts $24.00 FridayParts $25.66 |
| Fuel / water separator | P550106 | Fuel Filter, Water Separator Spin-On | CUMMINS 154789, CUMMINS 156164, NAPA 3405, BALDWIN BF957-D | FridayParts $285.60 |
| Coolant filter | P554071 | Coolant Filter, Spin-On | CUMMINS 209604, CUMMINS 209606, NAPA 4071, WALGAHN-MOTORENTECHN 00811412 | FridayParts $397.60 |
| Coolant filter | P554073 | Coolant Filter, Spin-On | CUMMINS 209605, CUMMINS 209607, NAPA 4073, VERSATILE 00104040 | KuduParts $40.00 |
Maintenance & consumables
for the Cummins/Onan NTA855-G3| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Element - Air Cleaner (Standard) | 140-2391 | Amazon eBay | ||
| Fuel filter | — | ||||
| Oil filter | Lube & Bypass Filter (Latest Style Used In Engine Manufacturing) | 122-0755 | Amazon eBay $22.46 | ||
| Battery | 127 A/hr | — | |||
| Belt | Belt, Drive - 35 AMP Alternator | 511-0084 | Amazon eBay | ||
| Coolant | 84.8 Litres | — | |||
| Coolant filter | Filter, Water - w/Corrosion Inhibiting Chemical DCA4 (Service) | 130-3537 | Amazon eBay $14.50 | ||
| Oil | 38.6 Litres | 38.6 Litres | — | ||
| Spark plug | — |
Common questions
What is the power rating of the Cummins/Onan NTA855G3 CP400-6 DFCC?
The Cummins/Onan NTA855G3 CP400-6 DFCC is rated 350 kW standby.
What engine is in the Cummins/Onan NTA855G3 CP400-6 DFCC?
The Cummins/Onan NTA855G3 CP400-6 DFCC is powered by the Cummins/Onan NTA855-G3 engine.
What fuel does the Cummins/Onan NTA855G3 CP400-6 DFCC use?
The Cummins/Onan NTA855G3 CP400-6 DFCC runs on Diesel.
What's the oil capacity on a Cummins/Onan NTA855G3 CP400-6 DFCC?
The Cummins/Onan NTA855-G3 engine in the Cummins/Onan NTA855G3 CP400-6 DFCC has an oil capacity of 40.0 liters.
How much coolant does the Cummins/Onan NTA855G3 CP400-6 DFCC hold?
The Cummins/Onan NTA855G3 CP400-6 DFCC cooling system holds 84.8 liters (22.4 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the Cummins/Onan NTA855G3 CP400-6 DFCC?
The Cummins/Onan NTA855G3 CP400-6 DFCC is rated 322 kW prime (402 kVA), against 350 kW standby.
What is the dry weight of the Cummins/Onan NTA855G3 CP400-6 DFCC?
The Cummins/Onan NTA855G3 CP400-6 DFCC has a dry weight of 300 kg (661 lb).
How big is the fuel tank on the Cummins/Onan NTA855G3 CP400-6 DFCC?
The Cummins/Onan NTA855G3 CP400-6 DFCC has a 800 liter (211 US gallon) fuel tank.
What voltage does the Cummins/Onan NTA855G3 CP400-6 DFCC produce?
The Cummins/Onan NTA855G3 CP400-6 DFCC is offered in 220 V, 480 V, Single-phase.
Which alternator is fitted to the Cummins/Onan NTA855G3 CP400-6 DFCC?
The Cummins/Onan NTA855G3 CP400-6 DFCC uses a Stamford/AvK CP400-6 alternator.
What oil filter fits the Cummins/Onan NTA855G3 CP400-6 DFCC?
The Cummins/Onan NTA855G3 CP400-6 DFCC uses oil filter part number 122-0755.
What air filter fits the Cummins/Onan NTA855G3 CP400-6 DFCC?
The Cummins/Onan NTA855G3 CP400-6 DFCC uses air filter part number 140-2391.
Parts
25| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 122-0526 | Element, Filter | 1 | Oil filter | Amazon eBay $65.00 |
| 122-0755 | Lube & Bypass Filter (Latest Style Used In Engine Manufacturing) | 2 | Oil filter | Amazon eBay $22.46 |
| 130-3537 | CE 1 130-3541 3318318 CE 1 4 501-0551 1 5 503-1467-07 1 503-0189 2 505-0022 1 502-0827 | 1 | Coolant filter | Amazon eBay $14.50 |
| 130-3541 | Filter, Water - w/Corrosion Inhibiting Chemical DCA4 (Pre-Charging) | 1 | Coolant filter | Amazon eBay $28.50 |
| 140-2391 | Element - Air Cleaner (Standard) | 1 | Air filter | Amazon eBay |
| 140-2392 | Element, Air Cleaner - Primary | 1 | Air filter | Amazon eBay $249.11 |
| 140-2393 | Element, Air Cleaner - Safety | 1 | Air filter | Amazon eBay $29.99 |
| 151-0411 | Pickup, Magnetic | 1 | Sensor | Amazon eBay KuduParts $208.00 FridayParts $218.33 SinoCMP $279.00 |
| 155-2287-02 | Gasket, Flange (used with 155-2281 Elbow) | 1 | Gasket | Amazon |
| 193-0244 | Sender, Oil Pressure (E1) | 1 | Sensor | Amazon eBay |
| 193-0375 | Sender, Coolant | 1 | Sensor | Amazon eBay |
| 309-0179 | Switch, High Water Temperature (Standard Part) Side Mounted On Water Outlet Housing | 1 | Sensor | Amazon eBay |
| 309-0269 | Sender, Temperature-Lo Engine | 1 | Sensor | Amazon eBay $239.00 |
| 333-0407 | Switch, Pressure - Oil, 14# PSI (SHUTDOWN) With Dual Terminals | 1 | Sensor | Amazon |
| 501-0551 | Line, Fuel - Flexible (Bypass line) | 1 | Hose | Amazon |
| 503-1467-07 | Hose, Rubber (3/4" ID x 33" LG) Radiator to Filter Housing | 1 | Hose | Amazon |
| 503-1679-02 | Hose, Rubber - Upper | 2 | Hose | Amazon |
| 505-1414-01 | Hose, Rubber - Lower | 2 | Hose | Amazon |
| 511-0084 | Belt, Charging Alternator | 1 | Belt | Amazon eBay |
| 511-0160 | Belt, Drive - V (Fan) | Belt | Amazon | |
| 309-0437 | (222"F) | 1 | Service part / kit | Amazon eBay |
| 903-0124 | NA | NA | Service part / kit | Amazon eBay |
| 903-0204 | NA | NA | Service part / kit | Amazon eBay |
| 903-0500 | NA | NA | Service part / kit | Amazon eBay |
| 903-0604 | NA | NA | 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 | 100% | 87.0 | 22.98 |
| Standby | 100% | 96.0 | 25.36 |
Available documents
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.