WEICHAI

12M33 Engine for Railway Vehicle

Adapted for 1000kW heavy-duty railcars, 96-head rail grinders, dual-engine 1200 ballast cleaners, dual-engine 1000 hp coal suction vehicles, 25-ton ballast suction vehicles, and 900kW locomotives.

769-1066/1045-1450

功率范围 kW/Ps

6270/1300-1400

最大扭矩/转速 N·m / r/min

产品概述

The 12M33 series diesel engine adopts a V-type, 12-cylinder, four-stroke configuration, with an engine displacement of 39.2 L, rated power ranging from 769 kW to 1066 kW, rated speeds of 1800 rpm and 1900 rpm, and a maximum torque/speed of 6200 N·m / 1400–1500 rpm. Utilizes a high-pressure common rail system and a turbocharged and intercooled intake system, meeting China Non-road Stage III emission regulations.

产品优势

Economical and energy-efficient with lower fuel consumption: comprehensive fuel consumption is 10 g/kW·h lower than competing products.

Inherently robust, ready for challenges: High-strength cast iron cylinder block and steel pistons, with an overhaul interval of 20,000 h.

Full environmental adaptability: stable operation in extreme cold and high-temperature environments ranging from -50℃ to 50℃.

Modular design for worry-free maintenance: High degree of product serialization, standardization, and modularization, with a machine modularization rate of 90%.

Strong high-altitude performance: no power derating at altitudes up to 3,000 meters, and development for 5,000 meters available upon customer request.

产品规格

功率范围 kW/Ps
769-1066/1045-1450
最大扭矩转速 N·m / r/min
6270/1300-1400
排放标准
China Non-road Stage III, overseas version with no emission requirements
燃料
Diesel, Natural gas, Biodiesel
发动机型式
V-type
气缸数
12
气门数
4
排量 L
39.2
进气方式
Turbocharged and intercooled
发动机尺寸(长X宽X高) mm
2417×1450×1830
G重量 kg
4197

备注:产品参数及图片仅供参考;如有变动,不另行通知。

型谱表

Model

Rated power/speed (kW/rpm)

Peak torque/speed (N·m/rpm)

Displacement (L)

Emission standard

Technical route

Target applications

Number of valves

12M33G1068

769/1800

4340/1300

39.2

Overseas version with no emission requirements

Electronically controlled high-pressure common rail

96-head rail grinders, dual-engine 1200 ballast cleaners, etc.

4

12M33G1070E304

785/1900

4340/1300

39.2

China Non-road Stage III

Electronically controlled high-pressure common rail

96-head rail grinders, dual-engine 1200 ballast cleaners, etc.

4

12M33G1224

882/1800

4980/1300

39.2

Overseas version with no emission requirements

Electronically controlled high-pressure common rail

96-head rail grinders, dual-engine 1200 ballast cleaners, etc.

4

12M33G1225E304

900/1900

4525/1300-1500

39.2

China Non-road Stage III

Electronically controlled high-pressure common rail

96-head rail grinders, dual-engine 1200 ballast cleaners, etc.

4

12M33

922/1900

5996/1500

39.2

China Non-road Stage III

Electronically controlled high-pressure common rail

96-head rail grinders, dual-engine 1200 ballast cleaners, etc.

4

12M33G1450E304

1066/1900

6200/1500

39.2

China Non-road Stage III

Electronically controlled high-pressure common rail

96-head rail grinders, dual-engine 1200 ballast cleaners, etc.

4

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