Model kW/RPM
(hp/RPM)		 Maximum Rated Input kW (hp) Maximum RPM Ratio Sample Ratio Capacities kW (hp) Dry Weight kg (lb)
1000 rpm 1200 rpm 1600 rpm
MM W20500 2,527 (3,389) 3766 (5051) 1490 2,661 2527 (3389) 3032 (4067) (-) 5800 (12790)
3,029
3,613
4,085
2,127 (2,852) 3510 (4706) 1650 4,849 2127 (2852) 2552 (3423) 3403 (4564)
1,790 (2,400) 2954 (3961) 5,757 1790 (2400) 2148 (2881) 2864 (3841)
1,729 (2,319) 2853 (3826) 5,959 1729 (2319) 2075 (2782) 2766 (3710)
1,560 (2,092) 2574 (3452) 6,610 1560 (2092) 1872 (2510) 2496 (3347)
1,404 (1,883) 2317 (3107) 7,345 1404 (1883) 1685 (2259) 2246 (3012)
1,260 (1,690) 2079 (2788) 8,184 1260 (1690) 1512 (2028) 2016 (2704)
1,170 (1,569) 1931 (2589) 8,810 1170 (1569) 1404 (1883) 1872 (2510)
1,086 (1,456) 1792 (2403) 9,496 1086 (1456) 1303 (1748) 1738 (2330)
1,170 (1,569) 1931 (2589) 9,989 1170 (1569) 1404 (1883) 1872 (2510)
1,206 (1,617) 1990 (2668) 10,251 1206 (1617) 1447 (1941) 1930 (2588)
1,086 (1,456) 1792 (2403) 10,767 1086 (1456) 1303 (1748) 1738 (2330)
1,120 (1,502) 1848 (2478) 11,036 1120 (1502) 1344 (1802) 1792 (2403)
1,039 (1,393) 1714 (2299) 11,895 1039 (1393) 1247 (1672) 1662 (2229)

Description

  • Robust design and easy onboard maintenance.
  • Robust design also withstands continuous duty in workboat, dredger applications.
  • Fully works tested, reliable and simple to install.
  • Reverse reduction marine transmission with hydraulically actuated multi-disc clutches.
  • Case hardened and precisely ground gear teeth for long life and smooth running.
  • Robust cast iron casing for direct or remote mounting.
  • Emergency “get home” capability.
  • Design, manufacture and quality control standards comply with ISO.
  • Suitable for twin installation with 100% rated power in ahead and astern condition.

Standard Equipment

  • Oil cooler complete with fittings and flexible hoses.
  • Integrated Brackets.
  • Free Standing.
  • Lube Oil Pump.

Options

  • Engine-matched torsional coupling.
  • Propeller shaft flange and coupling bolt set.
  • Classification by all major Classification Societies on request.
  • PTO (live or clutchable).
  • Electric trolling valve for slow-speed drive.
  • Shaft brake.
  • Electric clutch control.
Download Technical Data Sheet MM W20500 NR(PDF)

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