WEICHAI

WP4.6N Engine for Harvester

Suitable for wheat harvesters and corn harvesters.

129-147/175-200

功率范围 kW/Ps

820/1500

最大扭矩/转速 N·m / r/min

产品概述

The WP4.6N is an displacement upgrade from the WP4.1N to 4.6 L, featuring a modular family design for enhanced power and competitiveness, a power range of 175–200 PS, compliance with non-road EU Stage IIIA/V emission standards, and suitability for various harvesting machinery.

产品优势

High Reliability:Mean Time Between Failures (MTBF) of 1000 hours, with a major overhaul interval of 5000 hours.

Modular design: Engine oil filter module with integrated oil filtration, cooling, rotor filtration, and water filtration; One-piece cylinder head with a compact design.

Excellent NVH performance: High engine block rigidity, low vibration, and significantly reduced noise; Rear-mounted gear train uses high-precision gears and shear gears for stable operation and further reduction of mechanical noise; Multiple injection technology significantly reduces combustion noise.

Low fuel consumption: Equipped with an electronically controlled high-pressure common rail system, ensuring high injection pressure, superior atomization, and excellent economy.

Powerful performance: Maintains constant power at high speeds, ensuring stable engine rpm under typical harvester load conditions.

Excellent adaptability: A dedicated power product developed specifically for wheat and corn harvesters.

产品规格

功率范围 kW/Ps
129-147/175-200
最大扭矩转速 N·m / r/min
820/1500
排放标准
Stage IIIA/V
燃料
Diesel
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×宽×高) mm
927×653×867
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

WP4.6NG175E301

129/2200

680/1400-1700

4.58

Stage IIIA

High-pressure common rail + Turbocharged and intercooled

Harvester

4

WP4.6NG190E301

140/2200

805/1500

4.58

Stage IIIA

High-pressure common rail + Turbocharged and intercooled

Harvester

4

WP4.6NG200E301

147/2200

820/1500

4.58

Stage IIIA

High-pressure common rail + Turbocharged and intercooled

Harvester

4

WP4.6NG190E670

140/2200

766/1700

4.58

EU Stage V

CR+DOC+DPF+SCR

Harvester

4

WP4.6NG200E670

147/2200

786/1700

4.58

EU Stage V

CR+DOC+DPF+SCR

Harvester

4

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