Masson Marine Equipment
MM W7200
Masson Marine MM W7200 reverse reduction marine gearbox, up to 1,727 kW (2,316 hp) input, max 1,850–2,100 rpm depending on rating, ratios 3.296–5.633, dry weight 2,000 kg.
Description
The MM W7200 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: 0.869 kW/rpm (1.165 hp/rpm) for ratios 3.296–3.780, decreasing to 0.654 kW/rpm (0.877 hp/rpm) at 5.633
- Maximum rated input: 1,607 kW (2,155 hp) at 1,850 rpm; 1,653 kW at 1,950 rpm; 1,727 kW (2,316 hp) at 2,000 rpm; 1,703 kW at 2,100 rpm
- Ratios: 3.296, 3.780, 3.949, 4.127, 4.313, 4.506, 4.926, 5.282, 5.633
- Sample capacities (0.869 kW/rpm): 1,042 kW (1,398 hp) at 1,200 rpm, 1,390 kW (1,864 hp) at 1,600 rpm, 1,564 kW (2,097 hp) at 1,800 rpm
- Dry weight: 2,000 kg (4,410 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 |
|---|---|---|---|---|---|---|---|---|
| 1200 rpm | 1600 rpm | 1800 rpm | ||||||
| MM W7200 | 0,869 (1,165) | 1607 (2155) | 1850 | 3,296 | 1042 (1398) | 1390 (1864) | 1564 (2097) | 2000 (4410) |
| 3,780 | ||||||||
| 0,848 (1,137) | 1653 (2217) | 1950 | 3,949 | 1017 (1364) | 1356 (1819) | 1526 (2046) | ||
| 0,864 (1,158) | 1727 (2316) | 2000 | 4,127 | 1036 (1390) | 1382 (1853) | 1554 (2084) | ||
| 0,811 (1,088) | 1703 (2284) | 2100 | 4,313 | 973 (1305) | 1298 (1740) | 1460 (1958) | ||
| 0,785 (1,052) | 1648 (2210) | 4,506 | 942 (1263) | 1256 (1684) | 1413 (1894) | |||
| 0,735 (0,986) | 1544 (2071) | 4,926 | 882 (1183) | 1176 (1578) | 1323 (1775) | |||
| 0,700 (0,938) | 1469 (1970) | 5,282 | 839 (1126) | 1119 (1501) | 1259 (1689) | |||
| 0,654 (0,877) | 1374 (1843) | 5,633 | 785 (1053) | 1047 (1404) | 1178 (1579) |
More from Masson Marine
- Masson Marine MM W2800Y Twin Input Single Output Gearbox
- Masson Marine MM W1950
- Masson Marine EM311
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- Masson Marine EM611
- Masson Marine Dual Speed Gearboxes (W3300 DS, W3450 DS, W5200 DS)
- Masson Marine E-Range Gearboxes for Synchronous Motors
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- Masson Marine MM W5200 DS Dual-Speed Gearbox
- Masson Marine PTI Type 1
- Masson Marine PTI Type 1G
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