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.
WP4.1NQ190E50

WP4.1NQ190E50

  • Product introduction

  • Product features

  • Main parameter

Weichai new generation high-end engine platform product, power range 125-147kW, Euro V/VI emissions, and applied in light-duty truck of type N2 and N3.

High reliability
Using wet cylinder liners, portal drum, solid cast iron cylinder head, pistons, connecting rods, The crankshaft, bearing and other moving parts are newly designed, and the B10 has a life span of 800 thousand kilometers
The high-quality supplier of Weichai heavy Card system was adopted and developed in accordance with the high reliability requirements of the heavy Card industry
The block and cylinder head Weichai are self-casting and processing, with high consistency
Excellent NVH performances
Rear-mounted gear housing, closed flywheel housing, plastic cylinder head cover, secondary balance mechanism to reduce noise. Typical operating conditions noise as low as 92dB(A)
Ultra-low fuel consumption
Minimum Fuel consumption rate 195g/(kW•h)
Powerful
Power 125kW~147kW, maximum torque 750N•m/(1300~1700) r/min
High torque, high power and power
Good adaptability
Modular design with compact peripheral accessory placement, a wide range of options and a wide range of applications
N platform product filters, generators, starter and other parts are common and easy to maintain

MODEL WP4.1NQ190E50
STANDYPOWER/SPEED(KW/rpm) 140/2600
MAX TROQUE /SPEED(Nm/rpm) 680/1300-1900
DISPLACEMENT (L) 4.088
EMISSION STANDARDS Euro V
FUEL INJECTION PUMP TYPE common rail + SCR
INTAKE WAY Turbocharged and intercooled
Adaptable Vehicle GVW:14-16t cargo truck