4 Stroke Medium Speed Engine
Durability, efficiency, flexibility and environmental friendliness are their strengths, with power ranging from 1,000 to 9,000 kW. Our engines deliver uncompromising quality and outstanding technologies in every detail. Today, we can offer both disel and dual fuel engines.
| Type | Speed (RPM) | kW (Min) | kW (Max) |
| V51/60DF | 500-514 | 12,600 | 20,700 |
| L51/60DF | 500-514 | 6,000 | 10,350 |
| V48/60B | 500-514 | 13,800 | 20,700 |
| L48/60B | 500-514 | 6,900 | 10,350 |
| L35/44DF | 720-750 | 3,060 | 5,300 |
| V32/40 | 720-750 | 6,000 | 9,000 |
| L32/40 | 720-750 | 3,000 | 4,500 |
| L28/32A | 775 | 1,470 | 2,205 |
| L27/38 | 800 | 2,040 | 3,285 |
| L23/30A | 900 | 960 | 1,280 |
| L21/31 | 1,000 | 1,290 | 1,935 |
STX MAN 4 Stroke Marine Engine offers  a range of high-efficiency, reliable, robust engines that feature a high power density. We supply complete generating sets to secure reliable and economical power generation and distribution. Modern auxiliary engines run on the same high-viscosity fuel grades as the main engines to maximize economy. Overall installation costs can be minimised by using compact modular fuel treatment systems, available in standard sizes.
STX MAN 4 Stroke Marine Engines are widely used in Cruises, Tug Boats, Offshore Vessels, Dredgers, Fishing Vessels, Navy & Coast Guard Vessels, Ferries and LNG Vessels.
Together with STX, we offers a comprehensive, service network with a global reach and contactable 24/7 to maximize engine availability.
Our business covers spare part supply, field services, technical supports, upgrade services of conversion and safety standards. We are aiming to provide continuous, high-quality services to meet customers’ specific needs.