Cummins NTAA855-G7 343KW 466HP Generator Engine
6-cylinder in-line diesel engine for prime and standby generator sets at 343 kW (466 HP) at 1500rmp from 14L.
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What This Engine Is Built For
MEP Power supplies the This Cummins unit as a complete 6-cylinder in-line generator drive diesel engine of 14L running a 145×152 mm bore and stroke. It is rated at 343 kW (466 HP) at 1500rmp. The engine is turbocharged and water cooled. Typical duty is prime and standby generator sets.
Key Benefits
- Delivers 343 kW (466 HP) at 1500rmp from 14L as a factory-rated assembly.
- Turbocharged induction with water cooling keeps charge temperature under control in continuous duty.
- Published fuel consumption of 207 g/kW.h makes running cost predictable.
- Shipped from Shiyan, Hubei, China with export packing and full documentation
- Supplied as a complete engine assembly, so the unit goes straight onto the mounts
Application Scenarios
- Prime mover for a new generator set build
- Standby set engine replacement
- Rental power fleet rebuild
- Containerised power module
Who It Is For
- Genset packagers matching an engine to an alternator
- Rental power companies rebuilding sets between contracts
- Industrial sites replacing the prime mover in an existing canopy
- Telecom and data infrastructure contractors specifying standby power
Problems It Solves
- An engine that does not hold speed under block load makes the whole set unusable.
- Packagers lose weeks when the engine does not match the alternator and the base frame.
- Standby sets sit idle for months and must still start and take load on demand.
- Identifying the right NTAA855-G7 343KW 466HP Generator Engine variant from a serial number takes experience; MEP Power checks the configuration before quoting.
Specification As Published
Values below are the published data for this unit. Where a figure is not listed it was not stated by the source data sheet; ask and we will confirm before you order.
| Engine Model | Cummins NTAA855-G7 343KW 466HP Generator Engine Cylinder NO. 6 Cylinders in-line |
| Prime Power | 343kw/466HP |
| Standby Power | 377kw/512HP |
| Rated Speed | 1500rmp |
| Bore x Stroke | 145×152 |
| Displacement | 14L |
| Exhaust Temperature | 484 |
| Lubricating Oil Capacity | 36L Liquid cooling capacity(L) 67L |
| Fuel Consumption | 207 g/kW.h |
| Oil Consumption | 0.4 g/kW.h |
| Aspiration | Turbocharged |
| Starting System | Electrical start |
| Cooling System | water cooling |
| Cylinders | 6 Cylinders in-line |
Technical Features
- Displacement: 14L
- Bore and stroke: 145×152
- Aspiration: Turbocharged
- Starting system: Electrical start
Quality Control
- Every engine is inspected by the MEP Power inspection team before it leaves the warehouse
- Engine, configuration and serial numbers are recorded and photographed for the buyer
- Genuine and OEM units are quoted separately so the buyer knows exactly what is supplied
- Warranty on genuine and OEM new engines and generator sets is one year or 1000 hours, whichever comes first; parts and repair labour are covered for quality faults inside that period.
Use and Installation Guide
- Quote the model NTAA855-G7 343KW 466HP Generator Engine when ordering so the correct variant is supplied.
- Match the flywheel and SAE housing to the alternator before assembly
- Set the governor to the frequency required, 50 Hz or 60 Hz
- Run a load bank test before the set goes into service
- Keep the warranty terms in mind: one year or 1000 hours, whichever comes first.
Customisation Options
- OEM and ODM builds, including your logo and company name on the unit
- Cummins engine customisation and modification to your requirement
- Mining and special explosion-proof builds
- Genuine or OEM parts specified on the quotation
How It Compares
| Compared with | What to consider |
|---|---|
| A rebuilt or used engine of the same rating | A rebuilt unit may show the same 343 kW (466 HP) on paper, but its running history is unknown and the warranty rarely covers the whole engine. |
| A larger engine in the same Cummins range | Moving up a frame size adds weight, envelope and fuel burn; specify the next size up only if the duty cycle really needs the headroom. |
| A non-Cummins engine of similar output | Parts and service for Cummins families are available in most markets, which matters more over ten years than the purchase price on day one. |
Cummins NTAA855-G7 343KW 466HP Generator Engine Questions
Is this NTAA855-G7 343KW 466HP Generator Engine a genuine Cummins engine
What power does the NTAA855-G7 343KW 466HP Generator Engine produce
What warranty comes with the engine
How do I confirm this is the right variant for my machine
How is the engine shipped and what payment terms apply
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Quote The Cummins NTAA855-G7 343KW 466HP Generator Engine
Send your serial number or nameplate photograph and we will confirm the configuration, then price genuine and OEM options side by side.


