Weichai 12M55 series marine diesel engine (1361-2356kW)

Desciption

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	Four-stroke, water-cooled, V-type, supercharged and intercooled	Number of cylinders	12
Bore/Stroke	180×215(mm)	Displacement	65.65L
Start method	Electric start	oil consumption rate	≤0.8 g/kW.h
noise	≤111dB(A)	idle speed	650r/min
Crankshaft rotation direction (facing flywheel end)	counterclockwise	net weight	9500kg
length x width x height	2927×1565×2637(mm)

Product spectrum

series	model	Intake method	Rated power kW/Ps	Calibration speed r/min	Oil supply method	emission level	power classification
12M55*	12M55C1850-16E210	Turbocharged	1361/1850	1600	Electronically controlled common rail	IMO II/China II	P1
	12M55C2030-16E210	Turbocharged	1493/2030	1600	Electronically controlled common rail	IMO II/China II	P1
	12M55C2250-16E210	Turbocharged	1654/2250	1600	Electronically controlled common rail	IMO II/China II	P1
	12M55C2450-16E210	Turbocharged	1801/2450	1600	Electronically controlled common rail	IMO II/China II	P1
	12M55C2535-16E210	Turbocharged	1864/2535	1600	Electronically controlled common rail	IMO II/China II	P2
	12M55C2250-18E211	Turbocharged	1654/2250	1800	Electronically controlled common rail	IMO II/China II	P1
	12M55C2450-18E211	Turbocharged	1801/2450	1800	Electronically controlled common rail	IMO II/China II	P1
	12M55C2600-18E211	Turbocharged	1912/2600	1800	Electronically controlled common rail	IMO II/China II	P1
	12M55C2738-18E211	Turbocharged	2013/2738	1800	Electronically controlled common rail	IMO II/China II	P1
	12M55C3000-18E211	Turbocharged	2205/3000	1800	Electronically controlled common rail	IMO II/China II	P2
	12M55C3200-18E211	Turbocharged	2352/3200	1800	Electronically controlled common rail	IMO II/China II	P3
	12M55C3450-18E211	Turbocharged	2536/3450	1800	Electronically controlled common rail	IMO II/China II	P3

12M55 series marine diesel engine

18% torque reserve
Minimum fuel consumption 190g/kW.h
Overhaul period 20000h
Emissions meet IMO II/China II

Product advantages

　　Safe and reliable

The high-strength design of structural parts such as body, piston and bearing shell ensures the reliability of diesel engine under high explosion pressure
Utilizing Weichai's global excellent supplier system, the quality of parts is reliable
It has undergone rigorous and rigorous bench and three-level test assessment and verification to ensure the reliability of key components. The overhaul period of the whole machine is more than 20,000 hours.
Cooling and lubrication systems are equipped with emergency ports
Perfect self-diagnosis system, perfect fail-safe mode, safe control strategy

　　Powerful

Precise control by electronic control unit, high fuel injection pressure, small speed fluctuation and strong dynamic performance
Low-speed and high-torque design, 18% torque reserve, quick response and quick acceleration
50% rated speed can reach 115% rated torque

　　Economical and fuel-efficient

Optimize the fuel injection law, accurately control the fuel injection pressure, fuel injection quantity and fuel injection time, fully atomize the fuel, wide economic fuel consumption range, and the minimum fuel consumption rate is 190g/kW.h

　　Comfortable and environmentally friendly

It can realize multiple injections such as pre-injection and post-injection, and the noise and vibration are reduced by 20% compared with the mechanical pump system
Water jacket exhaust pipe and water jacket exhaust tail pipe to reduce cabin temperature
Emissions meet the requirements of IMO Tier II and China Stage II regulations

　　Practical

Optional LCD Internet instrument, vibration isolation pad, hand pump and other configurations to meet the needs of different customers
Modular design of the whole machine, compact structure, convenient cabin layout
Observation holes are placed on the side of the body, which is convenient for maintenance, and the whole machine is beautiful and compact.
Adjust different control strategies according to different performance requirements
Receive/output a variety of control signals to meet automation control requirements

Language

Weichai 12M55 series marine diesel engine (1361-2356kW)