Masson Marine Equipment
Masson Marine MM W3450 DS Dual-Speed Gearbox
Masson Marine MM W3450 DS dual-speed (two-ratio) marine gearbox, 0.361 kW/rpm, max input 794 kW (1,065 hp), max 2,200 rpm, first ratios 4.077–5.850, dry weight 1,260 kg; PTO/PTI capable.
Description
The MM W3450 DS is a Masson Marine dual-speed marine gearbox with two ratios, suitable for specific projects with PTO and PTI. Its robust design withstands continuous duty in workboat and dredger applications.
Key features
- Two gear ratios in one gearbox; PTO and PTI capability
- SAE bell #0 or #1; vertical offset type
- Kinematics: non-reversible, engine-wise and counter-engine-wise
- Hydraulically actuated multi-disc clutches; case-hardened, precision-ground gear teeth
- Robust cast iron casing for direct or remote mounting
- Emergency "get home" capability
- Suitable for twin installation with 100% rated power ahead and astern
- Design, manufacture and quality control to ISO standards
Technical data
- Rating: 0.361 kW/rpm (0.484 hp/rpm)
- Maximum rated input: 794 kW (1,065 hp)
- Maximum speed: 2,200 rpm
- First ratios: 4.077, 4.583, 4.913, 5.476, 5.850
- Second ratios: three options per first ratio, from 4.462 (with 4.077) to 6.954 (with 5.850)
- 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
| kW/RPM (hp/RPM) | Maximum Rated Input kW (hp) | Maximum RPM | First Ratio | Second Ratio(1) | Second Ratio(2) | Second Ratio(3) | Dry Weight kg (lb) |
|---|---|---|---|---|---|---|---|
| 0,361 (0,484) | 794 (1065) | 2200 | 4,077 | 4,462 | 4,615 | 4,846 | 1260 (2780) |
| 0,361 (0,484) | 794 (1065) | 2200 | 4,583 | 5,015 | 5,188 | 5,448 | 1260 (2780) |
| 0,361 (0,484) | 794 (1065) | 2200 | 4,913 | 5,376 | 5,562 | 5,840 | 1260 (2780) |
| 0,361 (0,484) | 794 (1065) | 2200 | 5,476 | 5,933 | 6,199 | 6,509 | 1260 (2780) |
| 0,361 (0,484) | 794 (1065) | 2200 | 5,850 | 6,402 | 6,623 | 6,954 | 1260 (2780) |
More from Masson Marine
- Masson Marine MM W2800Y Twin Input Single Output Gearbox
- Masson Marine MM W1950
- Masson Marine EM311
- Masson Marine EM540
- Masson Marine EM611
- Masson Marine Dual Speed Gearboxes (W3300 DS, W3450 DS, W5200 DS)
- Masson Marine E-Range Gearboxes for Synchronous Motors
- Masson Marine MM W3300 DS Dual-Speed Gearbox
- Masson Marine MM W5200 DS Dual-Speed Gearbox
- Masson Marine PTI Type 1
- Masson Marine PTI Type 1G
- Masson Marine PTI Type 2 & 3
Featured products
All products →
Equipment
Cat C32 Marine Generator Set
V12 32.1 L marine generator set, 550-940 ekW at 1500/1800 rpm, with separate circuit aftercooling, heat exchanger or keel cooling, and EPA Tier 4, IMO II/III switchable and EU Stage V ratings.
Equipment
Everllence B&W ME-LGIM Methanol Dual-Fuel Engine
Low-speed two-stroke dual-fuel engine running on methanol or conventional marine fuels, in service since 2016 with over 600,000 hours on methanol; 6,950–82,440 kW, 56–125 rpm, for newbuilds and retrofits.
Component
ACCX300-L
Accelleron ACCX300-L next-generation low-speed turbochargers for two-stroke main engines: compact, higher power density, modular platform design with flexible cartridge-based service and data-enabled services.
Similar products