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YC6TD Inline 6 Marine Diesel Engine | 600–800HP Fuel-Efficient & High Reliability

YC6TD
Marine auxiliary machinery
600~800Ps Power Coverage
Adapted Models:50~400kW marine generator sets, 1000~4500-ton cargo ships, 30~46m fishing boats, 20~40m official boats, yachts, etc.

    Product Feature

    1.Reliability and durability
    Yuchai 6TD product, following the demanding specifications for mechanical development verification, has been subject to a cumulative durability bench test of 20,000 hours. The engine block is made of alloy cast iron, with higher strength. The integral forged steel crankshaft improves fatigue strength and wear resistance. The structure of one head matching one cylinder ensures easy maintenance. The cylinder head bolts are evenly distributed and stressed. The valve system, high camshaft arrangement, short and thick push rod, and roller tappet make the product highly reliable.

    2.Fuel and money saving
    The application of the four-valve technology ensures substantially increased flow area of intake and exhaust, and the central fuel injector enables more uniform atomization, and more complete combustion; The turbocharged & intercooled + electronically-control pump technology and accurate electronic control help the user to get the most out of every drop of fuel; The Holset/Lianxin turbocharger enables wide economic operating conditions, a more than 15% reduction in the mechanical loss and less pumping loss, as well as a 10-15% reduction in fuel consumption compared with engines at the same power level.

    3.Safety and comfort
    The application of the four-valve technology effectively reduces the intake and exhaust noise of the engine; The rear gear chamber and advanced point-line meshing gear technology reduce the mechanical noise of the powertrain.

    4.High adaptability
    It has automatic and manual parallel functions, with its performance meeting the relevant provisions of the General Technical Condition for Marine Diesel Generator Sets (GB/T13032-2010).

    Application Scenarios3

    Product Parameters


    Item

    YC6TD700L-C20

    YC6TD645L-C20

    YC6TD605L-C20

    YC6TD655L-C20

    YC6TD600L-C20

    YC6TD550L-C20

    YC6TD540L-C20

    YC6TD480L-C20

    YC6TD435L-C20

    Type

    Vertical, in-line, water-cooled, four stroke

    Vertical, in-line, water-cooled, four stroke

    Vertical, in-line, water-cooled, four stroke

    Intake way

    Turbo charging & inter-cooled

    Turbo charging & inter-cooled

    Turbo charging & inter-cooled

    No. of cylinders – Bore × Stroke(mm)

    6-152×180

    6-152×180

    6-152×180

    Displacement(L)

    19.59

    19.59

    19.59

    Compression ratio

    14:01

    14:01

    15.5:1

    Power / speed (kW(Ps)/r/min)

    515(700)/1800

    475(645)/1800

    445(605)/1800

    480(655)/1500

    441(600)/1500

    405(550)/1500

    396(540)/1350

    352(480)/1200

    320(435)/1200

    Min specific fuel consumption (g/kW•h)

    195

    195

    195

    Specific oil consumption (g/kW•h)

    ≤1.0

    ≤1.0

    ≤1.0

    Engine oil capacity(L)

    52

    52

    52

    Crankshaft rotation direction (see from power output end)

    Anticlockwise

    Anticlockwise

    Anticlockwise

    Starting way

    Electrical (Gas start optional)

    Electrical (Gas start optional)

    Electrical (Gas start optional)

    Net weight (kg)

    1940

    1940

    1940

    Overall dimensions (L x W x H) (mm)

    1956×980×1100

    1956×980×1100

    1956×980×1100

    Certificate

    ZC, CCS, IMO

    ZC, CCS, IMO

    ZC, CCS, IMO

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