Weichai WP6 Engine

The Weichai WP6 series diesel engine is a variant diesel engine whose combustion system, intake and exhaust system, cooling system, power take-off system, diesel engine monitoring system and usage characteristics are improved based on the digestion and absorption of foreign advanced technology. It boasts such features as wide power speed range, small volume, light weight, compact structure, reliability, low fuel consumption, and simple and convenient installation and operation.

The WP6 series electronically-controlled diesel engine is a new marine diesel engine designed and developed on the basis of WP6 diesel engine with a mechanical pump. It uses the technology of high pressure common rail independently-developed electronically-controlled ECU, and is enhanced and improved with respect to its main components, which boasts such features as good fuel economy, reliability and high quality and convenience in maintenance, and is widely used as the main engine of the passenger ships, cargo ships, fishing boats and public service ships, and the marine main generator set, mooring and marine generator set.

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Product Speciafication of Marine Engine Weichai WP6 Engine
Series Model Air intake mode Rated power kW/Ps Speed r/min Fuel feeding mode Emission level Power classification
WP6 WP6C140-23 Turbocharged 103/140 2300 Mechanical pump - P1
WP6C142-18 Turbocharged 105/142 1800 Mechanical pump - P1
WP6C156-21 Turbocharged 115/156 2100 Mechanical pump - P1
WP6C163-23 Turbocharged 120/163 2300 Mechanical pump - P1
WP6C150-15 Turbocharged and intercooled 110/150 1500 Mechanical pump - P1
WP6C165-18 Turbocharged and intercooled 122/165 1800 Mechanical pump - P1
WP6C185-21 Turbocharged and intercooled 136/185 2100 Mechanical pump IMO P1
WP6C220-23 Turbocharged and intercooled 162/220 2300 Mechanical pump IMO P1
WP6C250-23 Turbocharged and intercooled 168/228 2230 Mechanical pump IMO P3
Type Four-stroke  water cooled, in-line, turbocharged/turbocharged
and intercooled
Number of cylinders 6
Cylinder Bore/stroke 105×130(mm) Displacement 6.75L
Oil consumption rate ≤0.2g/kW·h Noise ≤98dBA
Minimum fuel consumpti 212g/kW·h Idle speed 650±30r/min
Torque reserve 20-35% Rotation direction of crankshaft
(facing the flywheel end)
Length × Width × Height/net weight
Turbocharged   1360×890×1054mm 700kg
Turbocharged and intercooled   1360×890×1054
mm 750kg
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