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Weichai WP12 Diesel used Engine Assy WP12.375E50 Euro V 11.596L for Construction Machinery

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  • WP12.375E50

  • weichai

发动机海报

The Weichai WP12.375E50 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, construction, and industrial environments . Its proven technology and robust construction make it a trusted power source for a wide range of heavy-duty equipment .

Key Technical Specifications

For a quick overview, here are the core specifications of the WP12.375E50 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 276 kW (375 HP) @ 1900 rpm 
Max. Torque/Speed 1800 N.m @ 1000–1400 rpm 
Compression Ratio 17:1 
Fuel System Common Rail 
Emission Standard Euro V / China National Stage V 
Cooling System Water-Cooled 
Weight (Net Dry) Approx. 875 kg 

Primary Applications & Equipment

The Weichai WP12.375E50 engine is built to be the powerhouse behind a range of heavy-duty equipment :

  • Construction Machinery: It is a key power source for 100-ton mobile cranes, such as the ZTC1000V653 model from Zoomlion .

  • Heavy-Duty Trucks: This engine powers short-range lightweight tractors like the XCMG G5 series, and is also found in 8x4 dump trucks .

  • Commercial Vehicles: Its reliable performance makes it suitable for sanitation vehicles, postal trucks, and construction dump trucks .

  • Passenger Transport: The engine is also applied in 12-14 meter coaches and 14-18 meter buses .

Core Technologies & Key Features

  • Advanced Common Rail Fuel System: The engine utilizes a high-pressure common rail fuel system, which ensures precise fuel injection . This technology leads to optimized combustion, reduced fuel consumption, and lower emissions .

  • Efficient Turbocharging and Intercooling: 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 .

  • Low Speed & High Torque: The engine delivers a massive 1800 N.m of torque at a low RPM range (1000-1400 rpm) . This provides strong starting acceleration and superior pulling power, which is crucial for heavy-duty hauling and machinery operation .

  • Excellent Fuel Economy: Through optimized combustion, the engine offers fine fuel economy, with a minimum fuel consumption rate as low as 187 g/kW·h, helping to reduce operational costs .

  • SCR Emission Control System: To meet stringent emission standards like China National Stage V, the engine employs SCR (Selective Catalytic Reduction) technology, effectively reducing NOx emissions .



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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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