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YUCHAI YC6CL/YC6C/YC6CD Series Marine Diesel Engines

    Built for inland river and ocean-going vessels, the  YC6CA/YC6CL/YC6C/YC6CD series delivers 480–1400 PS  — ideal for main propulsion and 400–700 kW marine gensets.

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    Strong Power Output High-efficiency turbocharged intercooled tech, higher power per liter, larger torque reserve.
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    Fuel Economy Four-valve per cylinder, centered injector, flat performance curve, wide economy working area.
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    Compact Structure Arc-structure block, high strength, light weight, small cylinder center distance.
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    Easy Maintenance Modular design, wet cylinder liner, one cylinder one cover, side window access.
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    Safe & Reliable Alloy cast iron block, forged steel crankshaft, dual-protection gasket, fresh water intercooler.
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    Wide Application Inland rivers, oceanic fishing vessels, 400–700 kW auxiliary gensets.
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Product Description

The YUCHAI YC6CA/YC6CL/YC6C/YC6CD series marine diesel engines are designed for inland river shipping and oceanic fishing boats, incorporating advanced technologies from Germany, the USA, and Japan. These engines feature high-efficient turbocharged and inter-cooled technology, delivering strong power and ample torque for various operating conditions. The four-valve-per-cylinder design ensures efficient combustion, lower fuel consumption, and a wider economic working area. With modular construction, wet cylinder liners, and a compact structure, these engines are easy to install and maintain, ensuring safe and reliable operation for all types of marine vessels and 400-700kW auxiliary gensets.

YC6CL Technical Data

Model YC6CL1200L-C20 YC6CL1135L-C20 YC6CL1035L-C20 YC6CL960L-C20
Type Vertical, In-line, Water-cooled, 4-Stroke, Direct injection
Intake way Turbocharged & Inter-cooled
No. of cylinders-Bore × Stroke (mm) 6-200 × 290
Displacement (L) 54.6
Compression ratio 14.5:1
Continuous power/speed (kW(Ps)/r/min) 882 (1200) /1000 835 (1135) /1000 760 (1035) /1000 706 (960) /1000
One-hour power/speed (kW(Ps)/r/min) 970.2 (1320) /1032 918.5 (1250) /1032 836 (1140) /1032 776.6 (1060) /1032
Min. specific fuel consumption (g/kW·h) ≤195
Specific oil consumption (g/kW·h) ≤0.5
Engine oil capacity (L) 180
The Min. steady operation speed (r/min) ≤400
Crankshaft rotation direction (see from power output end) Anticlockwise
Starting way Electrical (Gas start is optional)
Net weight (kg) 5380
Overall dimensions (L×W×H) (mm) 2900 × 1329 × 2574
Matched reduction gearbox 1200, 1400 etc.
Certificate ZC, CCS, IMO

YC6CL Technical Data

Model YC6CL920L-C20 YC6CL770L-C20 YC6CL745L-C20
Type Vertical, In-line, Water-cooled, 4-Stroke, Direct injection
Intake way Turbocharged & Inter-cooled
No. of cylinders-Bore × Stroke (mm) 6-200 × 290
Displacement (L) 54.6
Compression ratio 14.5:1
Continuous power/speed (kW(Ps)/r/min) 680 (925) /900 570 (775) /750 550 (750) /720
One-hour power/speed (kW(Ps)/r/min) 748 (1020) /929 627 (855) /774 605 (825) /743
Min. specific fuel consumption (g/kW·h) ≤195
Specific oil consumption (g/kW·h) ≤0.5
Engine oil capacity (L) 180
The Min. steady operation speed (r/min) ≤360 ≤300 ≤288
Crankshaft rotation direction (see from power output end) Anticlockwise
Starting way Electrical (Gas start is optional)
Net weight (kg) 5380
Overall dimensions (L×W×H) (mm) 2900 × 1329 × 2574
Matched reduction gearbox 1200, 1400 etc.
Certificate ZC, CCS, IMO

YC6CL Technical Data

Model YC6CL920L-C20 YC6CL770L-C20 YC6CL745L-C20
Type Vertical, In-line, Water-cooled, 4-Stroke, Direct injection
Intake way Turbocharged & Inter-cooled
No. of cylinders-Bore × Stroke (mm) 6-200 × 290
Displacement (L) 54.6
Compression ratio 14.5:1
Continuous power/speed (kW(Ps)/r/min) 680 (925) /900 570 (775) /750 550 (750) /720
One-hour power/speed (kW(Ps)/r/min) 748 (1020) /929 627 (855) /774 605 (825) /743
Min. specific fuel consumption (g/kW·h) ≤195
Specific oil consumption (g/kW·h) ≤0.5
Engine oil capacity (L) 180
The Min. steady operation speed (r/min) ≤360 ≤300 ≤288
Crankshaft rotation direction (see from power output end) Anticlockwise
Starting way Electrical (Gas start is optional)
Net weight (kg) 5380
Overall dimensions (L×W×H) (mm) 2900 × 1329 × 2574
Matched reduction gearbox 1200, 1400 etc.
Certificate ZC, CCS, IMO
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