WP4.6N series land generating engine
With the open mind and integration of global resource, Weichai Power provides technical advanced, green and environment protected inexhaustible power to social; and to be the world leading, all series and domains power supplier.
With durability, high performance and good operating economy, engines of Weichai Power obtain apparels from domestic and foreign customer.
With the technical strength of global R&D center, Weichai Power created a new generation of industrial power product to satisfy the power demand of six large supporting domains: Power for land based, power generation, Power for marine, power generation, Power for marine emergency, power generation,Power for Passenger vehicle, Power for air compressor.
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Product portfolio A
| Model | Prime Power/Speed （kW/rpm） |
Displacement (L) |
Emission Standards | Number of valves | Speed Regulation Mode | Engine Type |
| 4M12G1D3/5 | 110/1500 | 4.58 | China non-road Stage Ⅲ | 4 | ECU | Inline 4-cylinder, four-stroke engine |
| 4M12G2D3/5 | 125/1500 | 4.58 | China non-road Stage Ⅲ | 4 | ECU | Inline 4-cylinder, four-stroke engine |
| 4M12G4D3/5 | 135/1500 | 4.58 | China non-road Stage Ⅲ | 4 | ECU | Inline 4-cylinder, four-stroke engine |
Product spectrum B
| model | Displacement (L) |
Number of valves per cylinder |
Rated power/speed (kWm/rpm) |
Maximum torque/speed (N·m/rpm) |
External characteristic minimum fuel consumption g/(kW·h) |
Technical route | Suitable models |
| WP4.6ND120E310 | 4.58 | 4 | 110/1500 | – | 200 | Electronically controlled high pressure common rail | 90kWe generator set |
| WP4.6ND138E310 | 4.58 | 4 | 125/1500 | – | 200 | Electronically controlled high pressure common rail | 100kWe generator set |
| WP4.6ND148E310A | 4.58 | 4 | 135/1500 | – | 198 | Electronically controlled high pressure common rail | 120kWe generator set |
Product advantage
The fuel system
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- Electric control high pressure common rail system, high injection pressure, large engine power, good fuel atomization, economic advantages, for the development of special electric control function for generator working conditions, can meet a variety of control and speed regulation needs.
Air intake system
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- The use of high efficiency supercharger, more full air intake, more efficient combustion.
Harshness (NVH) optimal performance
- Using combustion preinjection technology and high precision meshing gear train, the engine vibration noise is low.
WP4.6N series land generating ...
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