WEICHAI

12M25 Engine for Railway Vehicle

Adapted for 850kW locomotives.

783-900/1065-1225

功率范围 kW/Ps

5100/1400

最大扭矩/转速 N·m / r/min

产品概述

The 12M25 diesel engine is a product with independent intellectual property rights from Weichai. The 12M25 diesel engine adopts a V-type, 12-cylinder, four-stroke configuration, with a displacement of 30.4 L, a rated power of 900 kW, a rated speed of 2100 rpm, and a maximum torque/speed of 5116 N·m / 1400 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

Superior power performance: Rated power of 900 kW, exceeding the 895 kW of competing products.

Superior economy: Rated fuel consumption of 205 g/(kW·h), which is better than the 218 g/(kW·h) of competing products.

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

High reliability: Inherently robust, ready for challenges: High-strength vermicular graphite iron cylinder block and steel pistons, with an overhaul interval of 20,000 h and a maintenance interval of 500 h.

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
783-900/1065-1225
最大扭矩转速 N·m / r/min
5100/1400
排放标准
China Non-road Stage III
燃料
Diesel, Natural gas, Biodiesel
发动机型式
V-type
气缸数
12
气门数
4
排量 L
30.4
进气方式
Turbocharged and intercooled
发动机尺寸(长×宽×高) mm
1830×1300×1700
G重量 kg
3450

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

12M25G1224E302

900/2000

5100/1600

30.4

China Non-road Stage III

Electronically controlled high-pressure common rail

850 kW locomotive

4

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Weichai Group

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Weichai's full-series, full-domain products, and full-scenario high-end equipment solutions

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