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Weichai 12M Series Engines

The Global Standard for Premium Power

Weichai 12M Series EnginesSeries Overview

  • Weichai 6M Series Engines (1)

    Platform Positioning

    The Weichai 12M Series is a V12 diesel engine platform designed specifically for ultra-high power requirements, representing the pinnacle of large-bore power solutions.

  • Weichai 6M Series Engines (2)

    Power Range

    This series includes multiple sub-series such as the 12M26, 12M33, and 12M55, with a power range from 800kW to 2700kW, meeting the most stringent power demands.

  • Weichai 6M Series Engines (3)

    Technical Benchmark

    Integrating cutting-edge technologies like high-pressure common rail and efficient turbocharging, it sets industry benchmarks for reliability, fuel economy, and power performance.

Weichai 6M Series Engines (1)
WEICHAI POWER | 12M SERIES DIESEL ENGINE

Weichai 12M Series Engines Core Advantages

Core Advantages (1)

Unmatched Reliability

Featuring vermicular graphite cast iron block and high-strength alloy crankshaft, with a design life of up to 32,000 hours, ensuring stable operation under extreme conditions.
Weichai 6M Series Engines (3)

Exceptional Efficiency

Equipped with a 2200bar high-pressure common rail fuel system for multiple injections and perfect atomization, achieving a minimum fuel consumption rate as low as 187.4 g/kWh.
Core Advantages (3)

Powerful Performance

High torque reserve and rapid transient response, easily handling heavy-load starts and complex road conditions, making it the ideal power source for large equipment.
Core Advantages (4)

Modular Design

High degree of modularity across the series with high part commonality, facilitating maintenance and significantly reducing lifecycle costs.
Core Advantages (5)

Environmental & Safety Compliance

Meets strict emission standards such as China Non-road Stage III, with comprehensive safety monitoring and protection functions.
Core Advantages (6)

Industry-Leading Standards

Integrating five core advantages to deliver efficient, reliable, and environmentally friendly power solutions, leading the future of the industry.

12M26 SeriesMain Models

Weichai 12M Series Engines
Power Range: 800-1320 kW
Displacement: 31.8 L
Technology: French Baudouin Technology
Application: Marine Propulsion
12M26: Power range 800-1320kW, displacement 31.8L. Derived from French Baudouin technology, it is a mainstay model for marine propulsion and high-power generator sets, renowned for its high reliability and economy.

12M33 SeriesMain Models

Weichai 6M Series Engines (2)

  • 12M33:

    Power range 1007-1500kW, displacement 39.2L. A new-generation high-end engine platform product, suitable for large generator sets and 90-180t mining dump trucks, featuring a compact structure and robust power.

12M55 SeriesMain Models

Weichai 6M Series Engines (3)

6M26 Engine

  • 6M33 Series (1)

    Power Range

    1985 - 2700 kW

  • 6M33 Series (2)

    Displacement

    65.65 L

  • Flagship positioning and application scenarios

    12M55: Power range 1985-2700kW, displacement 65.65L. The new flagship product of the M55 platform, specifically designed for 1800-2400kWe generator sets, is the ultimate solution for ultra-high power applications.

Weichai 12M Series EnginesTechnical Specifications Comparison

Model Displacement (L) Power Range (kW) Rated Speed (rpm) Min. Fuel (g/kWh) Emission
12M26 31.8 800-1320 1500/1800 ~190 IMO Tier II
12M33 39.2 1007-1500 1500/1800 ~187 CN III
12M55 65.65 1985-2700 1500/1800 187.4 CN III
Weichai 6M Series Engines (3)

Key Advantages

All models in the series adopt high-efficiency combustion technology to achieve outstanding fuel economy; they meet the world's mainstream emission standards, balancing power performance and environmental protection requirements.

Weichai 12M Series Engines Service & Support

Weichai 6M Series Engines (4)

GLOBAL COVERAGE

Covering over 100 countries, rapid on-site arrival
Service & Support (1)
Global Service Network: With over 2000 service stations in more than 100 countries, ensuring you receive timely and professional support wherever you are.
Service & Support (2)
Genuine Parts Supply: A comprehensive global parts supply chain guarantees the availability of Weichai genuine parts.
Service & Support (3)
Professional Technical Support: A 7x24 customer service hotline and a team of experienced engineers provide timely technical assistance.
Weichai 12M Series Engines 05
Comprehensive Training: Weichai offers professional training programs for operators and maintenance personnel to maximize equipment uptime.