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YUCHAI YC6T/YC6TK Series Marine Diesel Engines

    Integrated German, US & Japanese technology — the YC6T/YC6TK delivers 300–540 PS for a wide range of marine vessels and 280–300 kW auxiliary gensets.

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    Tri-National Technology Integrated German, US & Japanese advanced diesel engine technology.
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    High Power Output 300–540 PS — strong power reserve for demanding vessel conditions.
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    Low Fuel Consumption Optimized combustion for lower operating costs across duty cycles.
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    Proven Reliability Engineered for marine duty — built to handle tough operating conditions.
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    Versatile Application Suitable for a wide range of vessel types as main propulsion.
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    Auxiliary Genset Ready Ideal for 280–300 kW marine auxiliary power generation systems.
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Product Description

The YC6T/YC6TK series marine diesel engines are a new generation of power units developed by Yuchai, integrating advanced diesel technologies from Germany, the USA, and Japan. These engines are specifically tailored to meet the rigorous demands of marine applications, offering exceptional power ranging from 300 to 540 horsepower while maintaining low fuel consumption. They are the ideal choice for powering various types of vessels and are particularly well-suited for 280-300kW auxiliary generator sets, ensuring reliable and efficient operation at sea.

YC6T Technical Data

Model YC6T330C YC6T375C YC6T400C YC6T410C YC6T450C
Type Vertical, In-line, Direct injection, Water-cooled, 4-Stroke
Intake way Turbocharged & Inter-cooled
No. of cylinders-Bore × Stroke (mm) 6-145 × 165
Displacement (L) 16.35
Compression ratio 14:1
Continuous power/speed (kW(Ps)/r/min) 242 (330) /1500 275 (375) /1500 294 (400) /1500 300 (410) /1500 330 (450) /1500
One-hour power/speed (kW(Ps)/r/min) 266.2 (360) /1548 302.5 (415) /1548 323.4 (440) /1548 330 (450) /1548 363 (495) /1548
Min. specific fuel consumption (g/kW·h) ≤195
Specific oil consumption (g/kW·h) ≤0.5
Engine oil capacity (L) 52
The Min. steady operation speed (r/min) ≤675
Crankshaft rotation direction (see from power output end) Anticlockwise
Starting way Electrical (Gas start is optional)
Net weight (kg) 1980
Overall dimensions (L×W×H) (mm) 2125 × 1105 × 1645
Matched reduction gearbox 300, J300, D300 etc.
Certificate ZC, CCS, IMO

YC6T/Yc6TK Technical Data

Model YC6T510C YC6T540C YC6TK375C
Type Vertical, In-line, Direct injection, Water-cooled, 4-Stroke
Intake way Turbocharged & Inter-cooled
No. of cylinders-Bore × Stroke (mm) 6-145 × 165 6-145 × 150
Displacement (L) 16.35 14.86
Compression ratio 14:1
Continuous power/speed (kW(Ps)/r/min) 375 (510) /1800 396 (540) /1800 275 (375) /1800
One-hour power/speed (kW(Ps)/r/min) 412.5 (560) /1858 435.6 (595) /1858 302.5 (412.5) /1858
Min. specific fuel consumption (g/kW·h) ≤195
Specific oil consumption (g/kW·h) ≤0.5
Engine oil capacity (L) 52
The Min. steady operation speed (r/min) ≤810
Crankshaft rotation direction (see from power output end) Anticlockwise
Starting way Electrical (Gas start is optional)
Net weight (kg) 1980
Overall dimensions (L×W×H) (mm) 2125 × 1105 × 1645
Matched reduction gearbox 300, J300, D300 etc.
Certificate ZC, CCS, IMO CCS, IMO

YC6T Installation Drawing

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