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Wp12 Wd618 Engine Weichai WP12.420E32 Direct Injection Diesel Engine for Trucks

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  • WP12.420E32

  • weichai

发动机海报

The Weichai WP12.420E32 is a robust and efficient 6-cylinder, in-line, 4-stroke diesel engine renowned for its exceptional durability, reliable power, and superior fuel economy . With a substantial 11.596-liter displacement and featuring turbocharged and intercooled aspiration , this water-cooled engine is engineered to deliver consistent performance in the most demanding transportation and construction environments . Its proven technology and robust construction make it a trusted power source for a wide range of heavy-duty trucks and machinery .

Key Technical Specifications

For a quick overview, here are the core specifications of the WP12.420E32 engine:

Parameter Specification
Configuration In-line, 6-Cylinder, 4-Stroke 
Aspiration Turbocharged and Intercooled 
Displacement 11.596 L 
Bore × Stroke 126 mm × 155 mm 
Rated Power/Speed 309 kW (420 HP) @ 2100-2200 rpm 
Max. Torque/Speed 1500 - 1750 N.m @ 1000-1400 rpm 
Emission Standard Euro III / China National Stage III 
Cooling System Water-Cooled 
Note: Specifications can vary depending on the specific application configuration. Refer to official technical data sheets for precise information.

Primary Applications & Equipment

The Weichai WP12.420E32 engine is built to be the powerhouse behind a range of heavy-duty trucks , including:

  • FAW Jiefang J6 & J5 Series 

  • Sinotruk HOWO, Steyr, and HOWO A7 Series 

  • Shacman Trucks 

  • XCMG Hanvan 

  • Shaanxi F2000 & F3000 

Core Technologies & Key Features

  • Turbocharged and Intercooled Aspiration: The turbocharged and intercooled system forces more dense, cool air into the cylinders, significantly boosting power output and torque while optimizing combustion for improved fuel efficiency and lower emissions .

  • Efficient Water-Cooling System: The water-cooled system maintains optimal operating temperatures under heavy loads, ensuring consistent performance and protecting engine components .

  • High Torque at Low RPM: The engine delivers strong torque in the low-to-mid RPM range (peaking at 1000-1400 rpm ), providing excellent pulling power and responsiveness for heavy loads and challenging terrains.

  • Proven Reliability under Tough Conditions: Designed to withstand the rigors of heavy-duty use, this engine is known for its reliable operation in challenging environments .

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KELUO is a company of machinery, engines, used equipment and spare parts founded by Hanhan in combination with HANJIU, Elephant in the industry.
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