WP3.2 Series
Founded in 1946, Weichai is one of the world’s largest Diesel and Natural Gas engine, commercial vehicle and equipment manufacturing groups. Weichai is headquartered in Weifang, China, and has subsidiaries and operations worldwide, with global brands such as Weichai, Kion, Linde, Ferreti, Baudoin, FastGear. It has 90,000 employees worldwide.
Data Sheet

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| Model | Prime Power/Speed (kW/rpm) | Displacement (L) | Emission Standards | Number of valves | Speed Regulation Mode | Engine Type |
|---|---|---|---|---|---|---|
| WP3.2G50E434 | 36.8/2400 | 3.17 | China non-road Stage Ⅳ | 2 | ECU | Inline 4-cylinder, four-stroke engine |
| WP3.2G75E440 | 55.4/2400 | 3.17 | China non-road Stage Ⅳ | 2 | ECU | Inline 4-cylinder, four-stroke engine |
Product advantage
Block cylinder head
- The body and cylinder head Weichai are homemade, and consistency is fully guaranteed.
Fuel system
- The two-stage fuel filtration system combines pump oil and exhaust energy to ensure the fuel system is reliable
Cooling system
- Small hub fan, high flow water pump, low noise, good environmental acclimation
Cold boot
- Air intake heating grating is standard and meets -25°C starting
Service intervals
- 500h oil change time is extremely long, reducing service costs