WP4.6N series Industrial power 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 |
| WP4.6NG175E442 | 129/2000 | 4.58 | China non-road Stage Ⅳ | 4 | ECU | Inline 4-cylinder, four-stroke engine |
| WP4.6NG200E471 | 147/2000 | 4.58 | China non-road Stage Ⅳ | 4 | ECU | Inline 4-cylinder, four-stroke engine |
| WP4.6NG220E470 | 162/2200 | 4.58 | China non-road Stage Ⅳ | 4 | ECU | Inline 4-cylinder, four-stroke engine |
Product spectrum B
| model | Rated power/speed (kW/rpm) |
Displacement (L) |
Emission standards | Number of valves | Speed regulation mode | Type |
| WP4.6NG175E442 | 129/2000 | 4.58 | China Non-Road Stage 4 | 4 | Electronic Control | Inline 4-cylinder, 4-stroke engine |
| WP4.6NG200E471 | 147/2000 | 4.58 | China Non-Road Stage 4 | 4 | Electronic Control | Inline 4-cylinder, 4-stroke engine |
| WP4.6NG220E470 | 162/2200 | 4.58 | China Non-Road Stage 4 | 4 | Electronic Control | Inline 4-cylinder, 4-stroke engine |
Product advantage
High reliability
- The mean time between failures is 1000 hours, and the overhaul period is 10000 hours.
Modular design
- Parts are more than 20% less than similar products – integrated fuel filter module, integrated design of primary filter and fine filter;Filter module, oil filter, cooling, rotor filter, water filter integrated design One-piece cylinder head, compact design.
Excellent NVH performance
- The body is strong and vibration-less, greatly reducing noise.
- Rear gear chamber, high precision gear is used to shear gear, which provides stable operation and further reduces mechanical noise.
- Multiple injection technology for significant combustion noise reduction powerful power.
Ultra-low fuel consumption
- It uses an electronically controlled high-voltage common rail system, with high injection pressure, good atomization, and good economy.
- Powerful:High speed constant power, constant engine speed in common conditions.
WP4.6N series Industrial power...
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