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

Item No.: 00514
Four-stroke, water-cooled, V-type, supercharged and intercooled
Number of cylinders 12
Displacement 65.65L
Net weight 9500kg
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 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)

Remarks: Product parameters and type spectrum are for reference only. Please contact relevant personnel for official information on delivery time and fishing boat type spectrum.

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
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