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Position: Engine»Diesel Engine»Marine Engine

RT-flex 58T

  Wartsila RT-flex58T low-speed marine diesel engine is custom-designed to provide economic and reliable propulsion for bulk carriers and oil tanker with load capacity from 2000 to 150000t. 。

Applicable for all ship types, from small/handymax to Cape of Good Hope type and Suez type.

Cylinder Bore Stroke Rotating Speed R1 Mean Effective Pressure Piston Speed Fuel Oil
580mm 2416rmm 84-105rpm 20.2bar 8.5m/s 700cSt/50°
Rated Power, Dimensions and Weights
Number of Cylinders Output in kW at Length Weight
105rpm 84rpm
R1 R2 R3 R4
5 11300 7900 9050 7900 6381   281
6 13560 9480 10860 9480 7387   322
7 15820 11060   12670 11060 8393   377
8 18080 12640 14480 12640 9399   418
Dimension B C D E F   G
3820 1300 8822 3475 10880   2000
Automatic Fuel Consumption
Full Load
Stage Point R1 R2 R3 R4
Brake mean effective pressure   20.2 14.1 20.2 17.7
IMO Tier I RTA
170 162 170 166
RT-flex Standard Adjustment 170 162 170 166
IMO Tier II RTA
174 168   174   170
RT-flex Standard Adjustment 171 165   171   167
Part Load,% of R1 85 70 85 70   60
Variable Standard Standard Standard Delat Delat   Low-Load
IMO Tier I 166 166.5   165.6 165   -
IMO Tier II 167.8 167 167.1 165.5   164.5


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