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Masson Marine Equipment

MM W18000

Reverse reduction marine gearbox (Masson Marine W range) for workboats and dredgers; ratios 1.810–3.786, max rated input 3762 kW (5045 hp) at up to 1800 rpm, dry weight 3650 kg.

Description

The MM W18000 is a reverse reduction marine gearbox from Masson Marine's W range with hydraulically actuated multi-disc clutches, designed for continuous duty in workboat and dredger applications. It is offered with ratios from 1.810 to 3.786 for engines up to 1800 rpm.

Technical data

  • Ratios: 1.810, 2.105, 2.576, 2.967, 3.407, 3.786
  • Power rating: 2.090 kW/rpm (2.803 hp/rpm) for ratios 1.810–2.967; 1.755 kW/rpm (2.353 hp/rpm) at 3.407; 1.659 kW/rpm (2.225 hp/rpm) at 3.786
  • Maximum rated input: 3762 kW (5045 hp)
  • Maximum input speed: 1800 rpm
  • Sample capacities (ratios 1.810–2.967): 2090 kW (2803 hp) at 1000 rpm, 2508 kW (3363 hp) at 1200 rpm, 3344 kW (4484 hp) at 1600 rpm
  • Dry weight: 3650 kg (7720 lb, as published)

Key features

  • Robust design with easy onboard maintenance
  • 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
  • Fully works tested; design, manufacture and quality control to ISO standards
  • Suitable for twin installation with 100% rated power ahead and astern

Standard equipment

  • Oil cooler with fittings and flexible hoses
  • Integrated brackets
  • Free-standing design
  • Lube oil pump

Options

  • Engine-matched torsional coupling
  • Propeller shaft flange and coupling bolt set
  • Classification by all major classification societies
  • PTO (live or clutchable)
  • Electric trolling valve for slow-speed drive
  • Shaft brake
  • Electric clutch control

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
1000 rpm 1200 rpm 1600 rpm
MM W18000 2,090 (2,803) 3762 (5045) 1800 1,810 2090 (2803) 2508 (3363) 3344 (4484) 3650 (7720)
2,105
2,576
2,967
1,755 (2,353) 3159 (4236) 3,407 1755 (2353) 2106 (2824) 2808 (3766)
1,659 (2,225) 2986 (4005) 3,786 1659 (2225) 1991 (2670) 2654 (3560)

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