Weichai WH20 series marine diesel engine (720-1765kW)

Item No.: 00517
In-line, four-stroke, water-cooled, direct injection
Number of cylinders 6/8
Displacement 56.55L/75.39L
Net weight 9800kg 11800kg
Description Review
Description

WP2.3N/WP3N/WP4.1N/WP6/WP7/WP10/WP12/WP13/M26/M33/M55 and other high-speed motor products are mainly used in high-speed boats, passenger ships, fishing boats, and main engines of inland water transportation in inland and offshore markets. and auxiliary engines; WHM6160/170/6WH17/12WH17 medium-speed engine products, mainly used in bulk carriers, passenger rollers, official vessels, marine support vessels, ocean-going fishing vessels, engineering vessels, multi-purpose vessels, offshore The main engine and auxiliary engine of the traffic management ship. CW200/CW250/WH620/WH20/WH25/WH28 and other medium-speed engine products are mainly used in the main and auxiliary engines of engineering ships, passenger ships, fishing ships and bulk carriers in the inland, offshore and ocean markets; MAN series L21/31, L27 /38, L32/40 and V32/40 products are mainly used in the main engines, electric propulsion and auxiliary engines of bulk carriers, engineering ships, multi-purpose ships, and marine traffic management ships in the offshore and ocean-going markets.

 

Product parameters

Type In-line, four-stroke, water-cooled, direct injection Number of cylinders 6/8
Bore/Stroke 200×300(mm) Displacement 56.55L/75.39L
Start method Air/electric start oil consumption rate ≤0.8g/kW.h
noise ≤110dB(A) idle speed 400r/min
Crankshaft rotation direction
(facing flywheel end)
Clockwise / /
Length×width×height/net weight 6 cylinder
8 cylinder
3532×1365×2642(mm)
4132×1365×2642(mm)
9800kg
11800kg

Product spectrum

 

series model Rated power kW/Ps Calibration speed
r/min

fuel and configuration

0# diesel, 380cSt/50℃
emission level power classification
WH20 6WH20LC980-6* 720/980 600 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1
6WH20LC1225-7.5* 900/1225 750 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1
6WH20LC1230-1 905/1230 1000 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1
6WH20LC1360-1 1000/1360 1000 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1
6WH20LC1500-9* 1103/1500 900 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1
6WH20LC1520-1 1118/1520 1000 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1
6WH20LC1632-1 1200/1632 1000 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1
6WH20LC1795-1 1320/1795 1000 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1
8WH20LC1360-6* 1000/1360 600 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1
8WH20LC1650-7.5* 1213/1650 750 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1
8WH20LC2000-1 1470/2000 1000 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1
8WH20LC2040-9 1500/2040 900 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1
8WH20LC2176-1 1600/2176 1000 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1
8WH20LC2400-1* 1765/2400 1000 Unit Pump/Common Rail Pump IMO Ⅱ/China 1/China 2 P1

 

 
Minimum fuel consumption 181g/kW.h

Overhaul period 25000h
Emissions meet IMO II/China I/China II

Product advantages

  Safe and reliable

  • Product overhaul period 25,000 hours
  • The body is made of vermicular graphite cast iron, combined with reasonable reinforcement design, with high strength and large safety factor
  • Crankshaft adopts high-strength alloy steel fiber die forging, fully balanced structure, low vibration and high reliability
  • Utilizing Weichai's global excellent supplier system, the quality of parts is reliable
  • Dust-free, constant temperature assembly workshop, high-precision test stand

  Powerful

  • High power, single cylinder power 220kW
  • High explosion pressure, leading products in the same category
  • High-efficiency pulse booster system for improved dynamic response and efficiency
  • 50% rated speed can reach 100% rated torque

  Energy saving and environmental protection

  • High-efficiency intake and exhaust system, pulse supercharging system, minimum fuel consumption rate of 181g/kW.h
  • Three piston ring structure design, with the use of scraper ring, the minimum oil consumption rate is 0.5 g/kW.h
  • Emissions meet IMO Tier II, China I and China Stage II regulatory requirements

  Easy to operate

  • Modular design of peripheral components, strong maintainability, compact structure of the whole machine
  • Integrated design, single cylinder head, easy disassembly and assembly of the whole machine, low maintenance cost
  • Three-stage connecting rod, easy to hang the cylinder, easy to maintain
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