We offer a diverse range of engines across various horsepower segments to meet the specific needs of different industries:
  • Small Horsepower Diesel Engines: Ideal for small machinery and agricultural equipment.
  • Medium Horsepower Diesel Engines: Perfect for light trucks, forklifts, and marine generator sets.
  • High Horsepower Diesel Engines: Best suited for heavy trucks and heavy equipment.

With a comprehensive engine assembly center and an extensive sales network, we provide tailored engine solutions for assembly plants, CKD plants, repair shops, and emergency power generation sites worldwide. Additionally, we offer second-hand engines for economical repair and replacement options.

No matter the application or performance requirements, we ensure there is always a suitable engine for you.
WP4.6NQ220E50

WP4.6NQ220E50

  • Product introduction

  • Product features

  • Main parameter

Engine model originates from high-end Weichai engine platform products. Maximum power: 162kW. Euro IV/V/VI emission standards.

High reliability:
Use wet-type cylinder liners, frame-support drum-shaped engine body and integral cast iron cylinder head, with movable parts such as pistons, con rod, crankshafts and bearing shells newly designed. B10 life is up to 800,000km.
Use highly competent suppliers of Weichai in the heavy-duty truck industry. The engines are developed according to the requirements on high reliability in the heavy-duty truck industry.
Engine bodies and cylinder heads are cast and machined by Weichai, ensuring high consistency.
Excellent NVH performances:
Rear-mounted gear chamber, closed-type flywheel housing, plastic cylinder head cover and two-stage balancing mechanism effectively reduce noise, with noise under general operation conditions reduced to 92dB(A).
Ultra-low fuel consumption:
Minimum fuel consumption is 199 g/kW•h. Fuel consumption shown on fuel consumption MAP is 5-10g/kW•h lower than that of competing products.
More powerful:
Power: 162kW. Maximum 800N.m at 1,200-1,800 r/min.
Higher torque and higher power, thus it is more powerful than that of competitor products having the same displacement.
Good adaptability:
Modular design, compact arrangement of accessories, multiple structure options and high suitability.
Oil filters, generators and starters of N engine platform can be directly used, adding convenience for repair and maintenance.

MODEL WP4.6NQ220E50
STANDYPOWER/SPEED(KW/rpm) 162/2300
MAX TROQUE /SPEED(Nm/rpm) 800/1200-1800
DISPLACEMENT (L) 4.58
EMISSION STANDARDS Euro V
FUEL INJECTION PUMP TYPE common rail + SCR
INTAKE WAY Turbocharged and intercooled
Adaptable Vehicle 4×2 Cargo truck/4×2/6×2 dump truck