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Weichai WH20 series marine diesel engine (900-1765kW)

Parameters Table

Type Four-stroke, water cooled, in-line, turbocharged and intercooled Number of cylinders 6/8
Cylinder Bore/stroke 200×300(mm) Displacement 56.55L/75.4L
Oil consumption rate ≤0.5g/kW·h Noise ≤110dB(A)
Minimum fuel consumption rate 185g/kW·h Idle speed 400r/min
Rotation direction of crankshaft
(facing the flywheel end)

Length × Width × Height/net weight

6 cylinders 3532×1365×2642(mm) 9800kg
8 cylinders 4132×1365×2642(mm) 12500kg

Model Portfolio Table

Series Model Rated power kW/Ps Rated speed
Fuel and configuration 
(0# diesel oil)
Emission level Power classification
WH20 6WH20LC1230-1 905/1230 1000 Single pump IMOⅡ P1
6WH20LC1360-1 1000/1360 1000 Single pump IMOⅡ P1
6WH20LC1520-1 1118/1520 1000 Single pump IMOⅡ P1
6WH20LC1632-1 1200/1632 1000 Single pump IMOⅡ P1
6WH20LC1795-1 1320/1795 1000 Single pump IMOⅡ P1
6WH20LC1500-9 1103/1500 900 Single pump IMOⅡ P1
6WH20LC1255-7.5 900/1226 750 Single pump IMOⅡ P1
8WH20LC2400-1 1765/2400 1000 Single pump IMOⅡ P1
8WH20LC2176-1 1600/2176 1000 Single pump IMOⅡ P1
8WH20LC2000-1 1470/2000 1000 Single pump IMOⅡ P1
8WH20LC2040-9 1500/2040 900 Single pump IMOⅡ P1
8WH20LC1650-7.5 1213/1650 750 Single pump IMOⅡ P1

Remark: The delivery date of products marked with * shall be subject to the reply of the manufacturer. Product parameters and model portfolio are for reference only. Please contact relevant personnel for official information on delivery time and fishing boat model portfolio.

Product description

  Safe and reliable

  • The safety factor of main moving parts is high, which guarantees the high reliability of the diesel engine

  Strong power

  • The diesel engine have a large displacement and more sufficient air intake. As the fuel system with high injection pressure and the turbocharger with high pressure ratio, the diesel engine have strong power

  Economical and fuel-efficient

  • The four-valve cylinder head technology is suitable for the camshaft design with medium and low speeds, so the diesel engine are featured by good response and wide speed range, and economic operation

  Comfortable and environmentally friendly

  • The pulse supercharging system is featured by good load response, fast acceleration and low smoke intensity
  • IMO II emission requirements are met

  Strong practicability

  • The peripheral parts adopt modular design, which makes the whole engine more compact in structure, more convenient in disassembly and assembly, and more beautiful in appearance
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R & D

20000 +
Global R & D personnel
R & D institutions in five countries, ten regions


  • 5,000,000 units
  • 22-10000Ps
  • 200 million kilowatts
  • Application for all markets