Hanwei 400cc Water-cooled Tricycle Motorcycle Engine

The Hanwei 400cc water-cooled tricycle motorcycle engine(Model:HW400/ZS177MN)is a high-power,heavy-duty single-cylinder 4-stroke powerplant specifically engineered for heavy-load cargo tricycles and large-capacity transport three-wheelers.Developed by Hanwei,a professional manufacturer with rich experience in locomotive and engine R&D,this engine integrates advanced closed-loop water cooling technology with a robust overhead camshaft(OHC)design,drawing on mature powertrain technology cooperation to deliver strong power,superior heat dissipation,and long-term reliability.It is perfectly suited for demanding commercial,agricultural,and long-haul transport scenarios,especially in regions requiring high load-carrying capacity and stable performance under harsh conditions.

Core Specifications

-Engine Type:Single-cylinder,4-stroke,water-cooled,overhead camshaft(OHC),4-valve

-Displacement:398cc(400cc nominal)

-Bore×Stroke:80mm×75mm

-Compression Ratio:10.5:1

-Max.Power:15.5kW/6,000rpm(≈21.1HP)

-Max.Torque:30N·m/4,500rpm

-Ignition System:DC-CDI with electronic fuel injection(EFI)

-Starting System:Electric start+kick start(dual-mode,backup guarantee)

-Lubrication:Pressure&splash combined lubrication,full-flow oil filtration

-Cooling System:Closed-loop water cooling with high-efficiency aluminum radiator and electronic fan

-Transmission:5-speed forward+1 reverse(manual clutch,heavy-duty gear set)

-Net Weight:45kg

-Overall Dimensions:385×405×480mm

-Fuel Consumption:≤360g/kW·h(≈5.0–6.0L/100km under full load)

-Certifications:CCC,ISO 9001,Euro IV compliant

-Key Components:Fluorine rubber oil seal,PVD piston ring,carbon fiber clutch disc for extended service life