Weichai M26 series marine diesel engine (296-808kW)Product
advantagesThe M26 series products are originated from Moteurs
Baudouin (the company has more than 100 years of history, and is a
French major supplier of diesel engines and units. It was
acquiredby Weichai in 2009 and is now a wholly-owned subsidiary of
Weichai Group). The original products have been improved
comprehensively through localization development with respect to
their performance, featuring low fuel consumption, long overhaul
period and high reliability.The product power is within the range
of 330-808kW and is widely used in various types of ships, such as
cargo ships, offshore fishing boats, public service ships and
passenger ships.Product parametersTypeFour-stroke, water-cooled,
in-line, wet cylinder linerNumber of
cylinders6/8/12Bore/stroke150×150mmDisplacement15.9/21.2/31.8LMinimum
fuel consumption rate190g/kW·hOil consumption rate0.8g/kW·hStarting
modeElectric startingIdle speed650±30r/minFiring order1-5-3-6-2-4
A1-B2-A5-B4-A3-B1-A6-B5-A2-B3-A4-B6Smoke
intensity≤1.0RbNoise≤105dB(A)Rotation direction of crankshaft
(Toward the free end)Clockwise Product portfolioModelAir
intake modeRated power (kW/Ps)Rotational speed (rpm)Oil supply
modeEmission level6M26C450-18Turbocharged and
intercooled330/4501800Mechanical pumpIMO II/China Tier
I6M26C500-18Turbocharged and intercooled368/5001800Mechanical
pumpIMO II/China Tier I6M26C550-18Turbocharged and
intercooled405/5501800Mechanical pumpIMO II/China Tier
I8M26C650-18Turbocharged and intercooled478/6501800Mechanical
pumpIMO II/China Tier I8M26C700-18Turbocharged and
intercooled515/7001800Mechanical pumpIMO II/China Tier
I8M26C750-18Turbocharged and intercooled551/7501800Mechanical
pumpIMO II/China Tier I12M26C810-18Turbocharged and
intercooled596/8101800Mechanical pumpIMO II/China Tier
I12M26C900-18Turbocharged and intercooled662/9001800Mechanical
pumpIMO II/China Tier I12M26C1000-18Turbocharged and
intercooled736/10001800Mechanical pumpIMO II/China Tier
I12M26C1100-18Turbocharged and intercooled808/11001800Mechanical
pumpIMO II/China Tier IProduct FeaturesSafe and reliable: It uses
cast iron body, grid structure and high-strength one-piece forged
steel crankshaft; the seawater pipe is all of cast copper and
stainless steel, and the pure copper sea water pump has stronger
corrosion resistance; the cooling lubrication system is equipped
with an emergency interface.Strong power: The power range is wide;
the torque reserve is over 20%, and the diesel engine is divided
into high and low speed versions, of which the low speed version
diesel engine has higher torque value at medium and low speeds, and
the high speed version diesel engine has higher torque value at
medium and high speeds, which are better adaptive to different
ships.Fuel economy: The diesel engines are divided into high and
low speed versions, of which the low-speed version diesel engine
has lower fuel consumption rate at medium and low speeds, and the
high-speed version diesel engine has lower fuel consumption rate at
medium and high speeds. The fuel consumption rate of the 6-cylinder
diesel engines at rated conditions is less than 200g/kW•h, and the
rated fuel consumption rate of the 12-cylinder diesel engine less
than 210g/kW•h; the highest oil consumption rate is
0.8g/kW•h.Strong practicality: It is equipped with a manual oil
pump that can be pre-lubricated and drain the used engine oil. The
oil cooler and filter are modular in design; the whole engine is
compact in structure; a sight glass is set on the side of the
engine block to facilitate maintenance. Standard Equipments
Engine and block Cast iron cylinder block One inspection door per
cylinder for access to conrod cap Cast iron cylinder liners, wet
type Separate cast iron cylinder heads equipped with 4 valves
Replaceable valves guides and seats 8 cylinders head tightening
bolts Hardened steel forged crankshaft with induction hardened
journals, crankpins and radius Camshaft with polynomial cams
profile Distribution with tempered, hardened and grinded helicoïdal
gears Chromium-Molibdenum steel conrods Lube oil cooled light alloy
pistons with high performance piston rings Cooling system Fresh /
raw water heat exchanger with integrated thermostatic valves and
expansion tank Cast iron centrifugal fresh water pump, mechanically
driven Bronze self-priming raw water pump, mechanically
drivenLubrification systemFull flow screwable oil filters Lube oil
purifier with replaceable cartridge Fresh water cooled lube oil
cooler Fuel system In line injection pump with flanged mechanical
governor Double wall injection bundle with leakage collector Duplex
fuel filters replaceable engine running Intake air and exhaust
systemFresh water cooled turbo blower Double flow raw water cooled
intake air cooler Electrical systemVoltage: 24Vcc Electrical
starter on flywheel crown 175A battery charger Power
definition(Standard ISO 3046/1 - 1995 (F) Reference
conditionsAmbiant temperature 25 °C / 77 °F
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