Masson Marine Equipment
MM W12000
Masson Marine MM W12000 reverse reduction marine gearbox, 1.369 kW/rpm, max input 1,711 kW (2,295 hp), max 1,250 rpm, ratios 1.522–3.333, dry weight 2,530 kg.
Description
The MM W12000 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: 1.369 kW/rpm (1.836 hp/rpm) for ratios 1.522–3.034; 1.246 kW/rpm (1.671 hp/rpm) at 3.333
- Maximum rated input: 1,711 kW (2,295 hp)
- Maximum speed: 1,250 rpm
- Ratios: 1.522, 2.053, 2.545, 2.742, 3.034, 3.333
- Sample capacities (1.369 kW/rpm): 1,027 kW (1,377 hp) at 750 rpm, 1,369 kW (1,836 hp) at 1,000 rpm, 1,643 kW (2,203 hp) at 1,200 rpm
- Dry weight: 2,530 kg (5,580 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
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 |
|---|---|---|---|---|---|---|---|---|
| 750 rpm | 1000 rpm | 1200 rpm | ||||||
| MM W12000 | 1,369 (1,836) | 1711 (2295) | 1250 | 1,522 | 1027 (1377) | 1369 (1836) | 1643 (2203) | 2530 (5580) |
| 2,053 | ||||||||
| 2,545 | ||||||||
| 2,742 | ||||||||
| 3,034 | ||||||||
| 1,246 (1,671) | 1558 (2089) | 3,333 | 935 (1253) | 1246 (1671) | 1495 (2005) |
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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