WEICHAI

WP8 Engine for Loader

Adapted for 4–5t loaders

131-170/178-231

功率范围 kW/Ps

1200/1400-1600

最大扭矩/转速 N·m / r/min

产品概述

The WP8 engine is a classic model upgraded from the 7.47 L displacement of the WP7 to 7.8 L. Utilizing a highly efficient SCR route, it is developed for segment-specific market adaptability and features a family-style design, strong power, excellent economy, separate intake/exhaust structure, and high adaptability; Maximum power of 257 kW, compliant with Stage V emissions, and adapted for 4–5t loaders.

产品优势

Low fuel consumption: Separate intake and exhaust design enhances volumetric efficiency and optimizes combustion, leading to improved economy and low fuel consumption rates.

Lightweight design: Modular design with integrated fuel filter and integrated engine cooling/oil cooling module; family-style design ensures smoother and more aesthetic fuel and electrical routing. Application of new materials, such as cast aluminum flywheel housing and plastic cylinder head cover.

Excellent NVH performance: Rear-mounted gear train, drum-shaped engine block skirt, and standard reinforced webs to further reduce vibration and noise, being 2–3 dB(A) lower than competing products.

Powerful performance: Torque increased to 1400 N·m, delivering sufficient power under various operating conditions.

High reliability: B10 life increased to 1 million km.

产品规格

功率范围 kW/Ps
131-170/178-231
最大扭矩转速 N·m / r/min
1200/1400-1600
排放标准
Stage V
燃料
Fuel
发动机型式
In-line
气缸数
6
气门数
4
排量 L
7.8
进气方式
Turbocharged and intercooled
发动机尺寸(长X宽X高) mm
1399×914×946
G重量 kg
760

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

WP8G178E670

131/2000

760/1400-1600

7.8

Stage V

DOC+DPF+Hi-SCR

4t loader

4

WP8G178E671

131/2200

800/1400

7.8

Stage V

DOC+DPF+Hi-SCR

4t loader

4

WP8G203E671

149/2200

990/1400-1600

7.8

Stage V

DOC+DPF+Hi-SCR

4t loader

4

WP8G231E671

170/2200

1200/1400-1600

7.8

Stage V

DOC+DPF+Hi-SCR

5t loader

4

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