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Weichai WP Series Engines

The Global Standard for Premium Power

Weichai WP Series EnginesSeries Overview

  • Weichai 6M Series Engines (1)

    Widely applied scenarios

    Applied to power generation units, it meets the diverse electricity demands of customers.

  • Weichai 6M Series Engines (2)

    Wide power coverage range

    The power range spans from 30kW to over 500kW, meeting the power demands of everything from small devices to heavy machinery.

  • Weichai 6M Series Engines (3)

    Advanced technology support

    By adopting advanced combustion technology and electronic control system, a perfect balance of high reliability, low fuel consumption and low emissions can be achieved.

  • Weichai 6M Series Engines (3)

    International authoritative certification

    It is strictly designed and manufactured in accordance with international standards, and has passed multiple certifications. It is a reliable power solution trusted by customers worldwide.

Weichai 6M Series Engines (1)

Weichai WP Series EnginesCore Advantages

Weichai 6M Series Engines (1)
WP Series Engine
Precision Manufacturing 
Outstanding Performance
  • Weichai 6M Series Engines (1)

    High Reliability

    Key components are sourced from internationally renowned brands, and each engine undergoes rigorous bench tests and durability validation to ensure stable operation under various harsh working conditions.

  • Weichai 6M Series Engines (2)

    Low Fuel Consumption

    Adopting a deeply optimized combustion system and high-efficiency turbocharging technology, it effectively reduces fuel consumption rate, bringing significant operational cost advantages to users.

  • Weichai 6M Series Engines (3)

    Low Emission

    Fully compliant with China III, China IV, and Non-road National IV emission standards, with some high-end models already meeting Euro V standards, helping customers easily comply with increasingly stringent global environmental regulations.

  • Weichai 6M Series Engines (3)

    High Power

    High Power Boasting excellent low-speed torque characteristics and rapid power response capability, it can easily cope with complex and variable operating environments, providing strong and lasting power output.

  • Weichai 6M Series Engines (3)

    Easy Maintenance

    Adopting an advanced modular design concept with a high degree of part commonality, making daily maintenance and repair work more convenient and fast, effectively reducing downtime.

WP2.1 & WP3 SeriesMain Models

Weichai WP Series Engines
Power: 30-60 kW | Displacement: 2.1 L
Power range covers 30 to 60 kW with a displacement of 2.1 liters. Renowned for its compact size, lightweight design, and excellent silent performance, it is widely used in small excavators, loaders, generating sets, and some special operation vehicles.
Weichai WP Series Engines (3)
Power: 60-100 kW | Displacement: 3.0 L
Power range is between 60 and 100 kW with a displacement of 3.0 liters. This series of engines is powerful while maintaining excellent fuel economy, making it an ideal power choice for medium-sized excavators, forklifts, harvesters and other equipment.

WP4.1 & WP6 Series Main Models

Weichai WP Series Engines (5)

WP4.1 Series

Power: 100-150 kW
Displacement: 4.1 L
Features: Cost-effective and reliable, a star product for medium-sized equipment.
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Weichai WP Series Engines (4)

WP6 Series

Power: 150-250 kW
Displacement: 6.0 L
Features: Strong power reserve and environmental adaptability, suitable for heavy-duty and harsh conditions.
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WP7, WP10 & WP12 SeriesMain Models

Weichai 6M Series Engines (2)
Weichai 6M Series Engines (2)
Weichai 6M Series Engines (2)
  • 6M26 Series (1)

    WP7 Series: 200-300kW | 7.5L

    Power range is 200 to 300 kW with a displacement of 7.5 liters. This series is specially designed for heavy-duty trucks, large construction machinery, and high-end generating sets with stable and reliable performance.

  • 6M26 Series (2)

    WP10 Series: 300-400kW | 9.7L

    Power covers 300 to 400 kW with a displacement of 9.7 liters. As a classic model of Weichai, the WP10 enjoys a high reputation in the fields of heavy-duty trucks, large construction machinery, and marine power for its excellent performance and durability.

  • Weichai 6M Series Engines (3)

    WP12 Series: 400-500kW | 11.6L

    Power is as high as 400 to 500 kW with a displacement of 11.6 liters. This is the flagship product in the WP series, specially designed for extreme working conditions such as mining dump trucks, heavy special vehicles, and marine main and auxiliary engines, representing Weichai's top technology in the field of large-horsepower engines.

Weichai WP Series EnginesTechnical Specifications Comparison

Model Displacement (L) Power Range (kW) Rated Speed (rpm) Emission Standard
WP2.1 2.1 30-60 2800 CN III/IV
WP3 3.0 60-100 2800 CN III /IV
WP4.1 4.1 100-150 2600 CN III /IV
WP6 6.0 150-250 2200/2500 CN III /IV
WP7 7.5 200-300 2200 CN III/IV
WP10 9.7 300-400 1900/2100 CN III/IV
WP12 11.6 400-500 1900 CN III/IV

Weichai WP Series Engines Service & Support

Weichai 6M Series Engines (4)

Global Service Network

We have established more than 2000 service stations in over 100 countries and regions worldwide to ensure that customers can obtain professional service support nearby.
Service & Support (1)

Fast Response:

A 7x24-hour customer service hotline has been set up to quickly respond to customer needs and problems, providing timely technical support and parts supply.
Service & Support (2)

Training Services:

Provide systematic and professional technical training and operation guidance for our customers and partners to help them better use and maintain our products.
Service & Support (3)

Parts Guarantee:

A sound global parts supply system has been established to ensure sufficient parts inventory and fast logistics distribution, minimizing equipment downtime.