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Position: Engine»Diesel Engine»Marine Engine

RT-flex 60C-B

Wartsila RT-flex60C-B low-speed marine diesel engine is custom-designed to provide economic and reliable propulsion for the liner ships and ever-growing container fleets. Wartsila RT-flex60C-B is also suitable for other types like refrigerated ship and vehicle carrier with the same transport condition.

The full electrically controlled better improved the fuel injection and valve drive system, which brings more benefits.

Cylinder Bore Stroke Rotating Speed R1 Mean Effective Pressure Piston Speed Fuel Oil
600mm 2250rmm 91-114rpm 20.0bar 8.6m/s 700cSt/50°
Rated Power, Dimensions and Weights
Number of Cylinders Output in kW at Length Weight
114rpm 91rpm
R1 R2 R3 R4
5 12100 8450 9050 8450 6638   268
6 14520 10140 11580 10140 7678   322
7 16940 11830   13510 11830 8718   377
8 19360 13520 15440 13520 9758   428
9 21780 15210 17370 15210 10798   480
Dimension B C D E F   G
3700 1300 8570 3660 10500   1955
Automatic Fuel Consumption
Full Load
Stage Point R1 R2 R3 R4
Brake mean effective pressure   20 14 20   17.5
IMO Tier I RT-flex Standard Adjustment 170 164 170 166
IMO Tier II RT-flex Standard Adjustment 171 165 171 167
Part Load,% of R1 85 70 85 70
Variable Standard Standard Standard Delat Delat
IMO Tier I 167 167.1   166.3 165
IMO Tier II 167.8 167   167.1 165.5


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