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Bus

WP4.1N series engines for road buses

Compact structure, high reliability, high power performance and excellent economy.

Overview

Weichai New Generation High-end Light Engine Platform Products; Power range 125-140kW, Euro IV/V/VI emissions, and applied in 7.3-7.9m coach.

Power Rating

Maximum Power 140 kW
Minimum Power 125 kW
Maximum Torque / Speed 680/（1300-1900） N·m / r/min

Emission Standards

Emissions Euro IV/V/VI

General

Series WP4.1N
Fuel Diesel
EngineType Inline 4-cylinder, four-stroke engine
Cylinder Number 4
Valve Number 4
Bore 105 mm
Stroke 118 mm
Displacement 4.088 L
Aspiration Turbocharged and intercooled
Compression Ratio 18 ± 0.5:1
Combustion System Common rail

Engine Dimensions

Length 964 mm
Width 700 mm
Height 837 mm
Weight - Net Dry 400 kg
Remarks: Product parameters and pictures are for reference only; subject to change without notice; Engine dimensions value is Approximate. Final dimensions dependent on selected options;Basic Operating Engine Without Optional Attachments.