Masson Marine Equipment
MM W8400
Reverse reduction marine gearbox (Masson Marine W range) with ratios 6.080–7.476, max rated input 2045 kW (2743 hp) at up to 2100 rpm, dry weight 3200 kg.
Description
The MM W8400 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 high reduction ratios from 6.080 to 7.476 for engines up to 2100 rpm.
Technical data
- Ratios: 6.080, 6.375, 7.045, 7.476
- Power rating: 0.974 kW/rpm (1.306 hp/rpm)
- Maximum rated input: 2045 kW (2743 hp)
- Maximum input speed: 2100 rpm
- Sample capacities: 1169 kW (1567 hp) at 1200 rpm, 1558 kW (2090 hp) at 1600 rpm, 1753 kW (2351 hp) at 1800 rpm
- Dry weight: 3200 kg (7055 lb)
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 |
|---|---|---|---|---|---|---|---|---|
| 1200 rpm | 1600 rpm | 1800 rpm | ||||||
| MM W8400 | 0,974 (1,306) | 2045 (2743) | 2100 | 6,080 | 1169 (1567) | 1558 (2090) | 1753 (2351) | 3200 (7055) |
| 6,375 | ||||||||
| 7,045 | ||||||||
| 7,476 |
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 W3450 DS Dual-Speed Gearbox
- Masson Marine MM W5200 DS Dual-Speed Gearbox
- Masson Marine PTI Type 1
- Masson Marine PTI Type 1G
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