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 |
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 | ||
| 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 | ||
| 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.
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 | Bypass Hood, Air Inlet (Used on Heavy Duty Air Cleaner) | 1 | Air filter | Amazon eBay $65.00 |
| 122-0755 | Lube & Bypass Filter (Latest Style Used In Engine Manufacturing) | 2 | Oil filter | Amazon eBay |
| 130-3537 | Filter, Water - W/Corosion Inhibiting Chemical DCA4 | 1 | Coolant filter | Amazon eBay |
| 130-3541 | Filter, Water - w/Corrosion Inhibiting Chemical DCA4 (Pre-Charging) | 1 | Coolant filter | Amazon |
| 140-2391 | Element - Air Cleaner (Standard) | 1 | Air filter | Amazon eBay |
| 140-2392 | Element, Air Cleaner - Primary | 1 | Air filter | Amazon |
| 140-2393 | Element, Air Cleaner - Safety | 1 | Air filter | Amazon |
| 151-0411 | Pickup, Magnetic | 1 | Sensor | Amazon eBay KuduParts $208.00 |
| 155-2287-02 | Gasket, Flange (used with 155-2281 Elbow) | 1 | Gasket | Amazon |
| 193-0244 | Sender, Pressure - 0i1 | 1 | Sensor | Amazon eBay |
| 193-0375 | # Sender, Water Temperature | 1 | Sensor | Amazon eBay |
| 309-0179 | 'Switch, Thermostatic - Hi Engine Coolant Temperature | 1 | Sensor | Amazon eBay |
| 309-0269 | Switch, Low Engine Temperature (S4) | 1 | Sensor | Amazon eBay |
| 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 |