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Professional and efficient, premium value
Wartsila RT-flex48T 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.
The application ship include 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 |
| 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 | |||
| 127rpm | 102rpm | |||||
| R1 | R2 | R3 | R4 | |||
| 5 | 7275 | 5100 | 5825 | 5100 | 5314 | 171 |
| 6 | 8730 | 6120 | 6990 | 6120 | 6148 | 205 |
| 7 | 10185 | 7140 | 8155 | 7140 | 6982 | 225 |
| 8 | 11640 | 8160 | 6320 | 8160 | 7816 | 250 |
| Dimension | B | C | D | E | F | G |
| 3170 | 1085 | 7334 | 3253 | 9030 | 1700 | |
| Automatic Fuel Consumption | ||||||
| Full Load | ||||||
| Stage Point | R1 | R2 | R3 | R4 | ||
| Brake mean effective pressure | 19 | 13.3 | 19 | 16.6 | ||
| IMO Tier I | RTA | 169 | 161 | 169 | 165 | |
| IMO Tier II | RTA | 173 | 167 | 173 | 169 | |
| 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 II | 167.8 | 167 | 167.1 | 165.5 | 164.5 | |
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