Weichai WP4/WP6 Marine Diesel Engine (60KW-168kW)Weichai wp4 / wp6 series diesel engine is my company on the basis of digesting and absorbing foreign advanced technology, according to the requirements of relevant national standards and ship rules through combustion system of diesel engine, the exhau......
Weichai WP4/WP6 Marine Diesel Engine (60KW-168kW)
Weichai wp4 / wp6 series diesel engine is my company on the basis of digesting and absorbing foreign advanced technology, according to the requirements of relevant national standards and ship rules through combustion system of diesel engine, the exhaust system, cooling system, power output system, diesel engine monitoring system and the variant characteristics of Marine diesel engine used to improve the diesel engine.
. With a wide range of power speed, small size, light weight, compact structure, use
The power range is 60KW-168KW and the speed range is 1500-2500rpm.
| 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 | ≤98dB(A) |
| Minimum fuel consumption rate | 212g/kW·h | Idle speed | 650±30r/min |
| Torque reserve | 20-35% | Rotation direction of crankshaft (facing the flywheel end) | Counter-clockwise |
Dimensions Length × Width × Height/net weight | Turbocharged 1360×890×1054(mm) 700kg Turbocharged and intercooled 1360×890×1054(mm) 750kg | ||
Product parameters
| 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 |
Product Features
Engine and block Cast iron frame style body structure One-piece forged crankshaft Separate cast iron cylinder heads and dry liners Aluminium alloy pistons with gallery oil cooling Cooling system Fresh / raw water heat exchanger with integrated thermostatic valves and expansion tank Cast iron centrifugal fresh water pump, mechanically driven Self-priming raw water pump, mechanically driven Lubrication system Full flow duplex type oil filters replaceable engine running Fresh water cooled lube oil cooler plate type | Fuel system P type in line injection pump Dual-skinned fuel pipe with alarm and leakage collector Duplex fuel filters replaceable engine running Water separated filter Intake air and exhaust system Washable air filter & exhaust expansion joint Insulated dry type or water jacket exhaust manifold Electrical system 24V electric starter motor and battery charging alternator Voyage safeguard monitor and 5m harness Flywheel and housin SAE1 flywheel housing and SAE 14 flywheel Certification CCS and EIAPP |
Power definition Standard ISO 3046/1 -1995(F) Reference conditions Ambiant temperature 25 °C Barometric pressure 100 kPa Relative humidity 30% Raw water temperature 25 °C | Fuel Relative density 0,840 ± 0,005 Lower calorific power 42 700 kJ/kg Consumption tolerances ± 5 % Lube oil Recommend grade CF-4 15W/40 |








1800HP 1200rpm Marine Diesel Motor Germany Technology Main Engine 12cylinders
2000HP 1350rpm Main Engine Propulsion System 2000HP Trawler Boat Motor
2000HP 1350rpm Marine Diesel Engine Inboard Marino Motor Main Engine
2200HP Motor Marino Diesel Yuchai Marine Engine 2200HP Main Engine
2200HP Marine Boat Propulsion System Main Engine Gearbox Shaft Propeller
2200HP Main Diesel Engine Yuchai Marine Engine 2200HP Motor Marino