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Masson Marine Equipment

MM W3700

Masson Marine MM W3700 reverse reduction marine gearbox, 0.388 kW/rpm, max input 854 kW (1,145 hp), max 2,200 rpm, ratios 4.077–5.850, dry weight 1,260 kg.

Description

The MM W3700 is a marine reduction gearbox from Masson Marine's W range, built for continuous duty in workboat and dredger applications.

Key features

  • Reverse reduction marine transmission with hydraulically actuated multi-disc clutches
  • Case-hardened, precision-ground gear teeth for long life and smooth running
  • Robust cast iron casing for direct or remote mounting
  • Emergency "get home" capability
  • Suitable for twin installation with 100% rated power ahead and astern
  • Robust design with easy onboard maintenance; fully works-tested and simple to install
  • Design, manufacture and quality control to ISO standards

Technical data

  • Rating: 0.388 kW/rpm (0.520 hp/rpm)
  • Maximum rated input: 854 kW (1,145 hp)
  • Maximum speed: 2,200 rpm (can be upgraded to 2,250 rpm in specific cases)
  • Ratios: 4.077, 4.583, 4.913, 5.476, 5.850
  • Sample capacities: 466 kW (624 hp) at 1,200 rpm, 621 kW (833 hp) at 1,600 rpm, 698 kW (937 hp) at 1,800 rpm
  • Dry weight: 1,260 kg (2,780 lb)

Standard equipment

  • Oil cooler 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
  • Trailing pump

Specifications

Model kW/RPM (hp/RPM) Maximum Rated Input kW (hp) Maximum RPM Ratio Sample Ratio Capacities kW (hp) Dry Weight kg (lb) col8 col9
1200 rpm 1600 rpm 1800 rpm
MM W3700 0,388 (0,520) 854 (1145) 2200* 4,077 466 (624) 621 (833) 698 (937) 1260 (2780)
4,583
4,913
5,476
5,850

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