Masson Marine Equipment
MM W6400
Reverse reduction marine gearbox (Masson Marine W range) with ratios 6.170–7.446, max rated input up to 1266 kW (1698 hp) at up to 2100 rpm, dry weight 2000 kg.
Description
The MM W6400 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 6.170 to 7.446 for engines up to 2100 rpm.
Technical data
- Ratios: 6.170, 6.461, 7.099, 7.446
- Power rating: 0.603 kW/rpm (0.808 hp/rpm) at 6.170 down to 0.497 kW/rpm (0.667 hp/rpm) at 7.446
- Maximum rated input: 1266 kW (1698 hp) at 6.170; 1044 kW (1400 hp) at 7.446
- Maximum input speed: 2100 rpm
- Sample capacities (6.170): 723 kW (970 hp) at 1200 rpm, 965 kW (1294 hp) at 1600 rpm, 1085 kW (1455 hp) at 1800 rpm
- Dry weight: 2000 kg (4410 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 W6400 | 0,603 (0,808) | 1266 (1698) | 2100 | 6,170 | 723 (970) | 965 (1294) | 1085 (1455) | 2000 (4410) |
| 0,576 (0,772) | 1209 (1621) | 6,461 | 691 (926) | 921 (1235) | 1036 (1390) | |||
| 0,523 (0,702) | 1099 (1474) | 7,099 | 628 (842) | 837 (1123) | 942 (1263) | |||
| 0,497 (0,667) | 1044 (1400) | 7,446 | 597 (800) | 795 (1067) | 895 (1200) |
More from Masson Marine
- Masson Marine MM W2800Y Twin Input Single Output Gearbox
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- Masson Marine EM311
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- Masson Marine Dual Speed Gearboxes (W3300 DS, W3450 DS, W5200 DS)
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- Masson Marine PTI Type 1
- Masson Marine PTI Type 1G
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