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Position: Engine»Diesel Engine»Marine Engine

W-X40

  Wartsila W-X40 low-speed marine diesel engine is designed to provide economic and reliable propulsion for various medium and small commercial ship, such as handysize bulk carrier, oil tanker, break-bulk carrier, refrigerated ship, container feeder ship and handysize LPG ship. Equipped 5-8 cylinders, with rated power of 4550-9080kw, speed of 124-146rpm.

Cylinder Bore Stroke Rotating Speed R1 Mean Effective Pressure Piston Speed Fuel Oil
480mm 2000rmm 102-127rpm 19.0bar 8.5m/s 700cSt/50°
Rated Power, Dimensions and Weights
Number of Cylinders Output in kW at Length Weight
146rpm 124rpm
R1 R2 R3 R4
5 5676 4550 4825 4550 5050   109
6 6810 5460 5790 5460 5750   125
7 7945 6370   6755 6370 6450   140
8 9080 7280 7720 7280 7150   153
Dimension B C D E F   G
2590 950 6335 1660 7700   1425
Automatic Fuel Consumption
Full Load
Stage Point R1 R2 R3 R4
Brake mean effective pressure   21 16.8 21 19.8
IMO Tier II RT-flex Standard Adjustment 175 169   175   173
Part Load,% of R1 85 70 85 70   60
Variable Standard Standard Standard Delat Delat   Low-Load
IMO Tier II 171.8 171 171.1 169.5   169.5


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