WEICHAI

Engine for transit buses WP4.6NNG

Target applications: city bus

110-147/150-200

功率范围 kW/Ps

650/1200-1800

最大扭矩/转速 N·m / r/min

产品概述

Developed based on the WP4.6N diesel engine, with a maximum power of 200 Ps, it meets the power requirements of natural gas city buses.

产品优势

High reliability: High-strength materials and refined fit clearances improve the safety factor and ensure product reliability.

High fuel economy: Optimized selection, improved efficiency, and reduced resistance further enhance economy; high-precision air-fuel ratio and micro-knock control technologies reduce engine gas consumption by 5–7 g/kW·h.

High comfort: Added secondary balancer, reducing vibration velocity intensity from 43.1 mm/s to 27.0 mm/s, with autonomous control to prevent common issues such as misfires and knocking.

产品规格

功率范围 kW/Ps
110-147/150-200
最大扭矩转速 N·m / r/min
650/1200-1800
排放标准
Euro V, P8
燃料
Natural gas
发动机型式
In-line
气缸数
4
气门数
4
排量 L
4.58
进气方式
Turbocharged and intercooled
发动机尺寸(长X宽X高) mm
913×763×891
G重量 kg
450

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

WP4.6NNG150E60

110/2300

550/1200-1800

4.58

P8

TWC

Urban City Buses

4

WP4.6NNG170E60

125/2300

600/1200-1800

4.58

P8

TWC

Urban City Buses

4

WP4.6NNG200E60

147/2300

650/1200-1800

4.58

P8

TWC

Urban City Buses

4

WP4.6NNG200E51

147/2300

660/1300-1700

4.58

Euro V

Lean burn

Urban City Buses

4

WP4.6NNG170E51

125/2300

600/1200-1800

4.58

Euro V

Lean burn

Urban City Buses

4

WP4.6NNG200E50

147/2300

660/1300-1700

4.58

Euro V

Lean burn

Urban City Buses

4

WP4.6NNG170E50

125/2300

600/1200-1800

4.58

Euro V

Lean burn

Urban City Buses

4

WP4.6NNG150E50L

110/2300

550/1200-1800

4.58

Euro V

Lean burn

Urban City Buses

4

WP4.6NNG150E51L

110/2300

550/1200-1800

4.58

Euro V

Lean burn

Urban City Buses

4

WP4.6NNG150E50C

110/2300

550/1200-1800

4.58

Euro V

Lean burn

Urban City Buses

4

WP4.6NNG150E51C

110/2300

500/1200-1800

4.58

Euro V

Lean burn

Urban City Buses

4

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