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

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

Product spectrum

 
Minimum fuel consumption 181g/kW.h

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