WEICHAI

Engine for transit buses WP3N

Target applications: city bus

103-158/140-220

功率范围 kW/Ps

670/1400

最大扭矩/转速 N·m / r/min

产品概述

Weichais new-generation high-end engine platform product, suitable for light buses (front-mounted) and city buses, offering excellent reliability and economy.

产品优势

High reliability: Rigorous and comprehensive bench testing, high-temperature, cold-climate, high-altitude, and vehicle chassis dynamometer testing verify the reliability of key engine components. The B10 life reaches 800,000 km, meeting the requirements of various operating conditions.

Low fuel consumption: Features a highly competitive minimum specific fuel consumption, with full-MAP fuel consumption 5–10 g/kW·h lower than competing products. The optimal economic fuel consumption zone of the engine is close to the low-speed range (1200–2100 rpm).

Excellent NVH: Unloaded noise is 2.5–4 dB(A) lower than competing products; Rear-mounted gear train, enclosed flywheel housing, and plastic cylinder head cover effectively reduce noise, with standard-condition noise 4 dB(A) lower than competing products.

Wide adaptability: Modular design and component commonality across the N platform ensure low maintenance costs.

产品规格

功率范围 kW/Ps
103-158/140-220
最大扭矩转速 N·m / r/min
670/1400
排放标准
Euro V, Euro VI
燃料
Diesel
发动机型式
In-line
气缸数
4
气门数
4
排量 L
2.97
进气方式
Turbocharged and intercooled
发动机尺寸(长×宽×高) mm
837×655×760
G重量 kg
280

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

WP3NQ158E62

112/2800

487/1300-2000

2.97

Euro VI

CR+DOC+DPF+SCR

Light bus

4

WP3NQ170E62

121/2800

520/1400-2100

2.97

Euro VI

CR+DOC+DPF+SCR

Light bus

4

WP3NQ210E62

143/2800

600/1400-1600

2.97

Euro VI

CR+DOC+DPF+SCR

Light bus

4

WP3NQ220E62

158/2800

660/1400

2.97

Euro VI

CR+DOC+DPF+SCR

Light bus

4

WP3NQ140E50

103/3000

380/1400-2400

2.97

Euro V

CR+SCR

Light bus

4

WP3NQ150E50

106/3000

430/1400-2400

2.97

Euro V

CR+SCR

Light bus

4

WP3NQ160E50

114/3000

480/1400-2300

2.97

Euro V

CR+SCR

Light bus

4

WP3NQ170E50

121/2800

520/1400-2100

2.97

Euro V

CR+SCR

Light bus

4

WP3NQ210E50

143/2800

600/1400-1600

2.97

Euro V

CR+SCR

Light bus

4

WP3NQ220E50

158/2800

660/1400

2.97

Euro V

CR+SCR

Light bus

4

WP3NQ140E30

103/3000

380/1400-2400

2.97

Euro III

CR

Light bus

4

WP3NQ150E30

106/3000

430/1400-2400

2.97

Euro III

CR

Light bus

4

WP3NQ160E30

114/3000

480/1400-2300

2.97

Euro III

CR

Light bus

4

WP3NQ170E30

121/2800

520/1400-2100

2.97

Euro III

CR

Light bus

4

WP3NQ210E30

143/2800

600/1400-1600

2.97

Euro III

CR

Light bus

4

WP3NQ220E30

158/2800

660/1400

2.97

Euro III

CR

Light bus

4

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