Masson Marine Equipment
Masson Marine MM W3300 DS Dual-Speed Gearbox
Masson Marine MM W3300 DS dual-speed (two-ratio) reverse reduction marine gearbox, max rated input 642 kW (861 hp), max 2,200 rpm, ratios 6.556 and 6.940, dry weight 1,260 kg; PTO/PTI capable.
Description
The MM W3300 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
- Reverse reduction transmission with 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: 0.292 kW/rpm (0.392 hp/rpm) at ratio 6.556; 0.255 kW/rpm (0.342 hp/rpm) at 6.940
- Maximum rated input: 642 kW (861 hp)
- Maximum speed: 2,200 rpm
- Sample capacities (ratio 6.556): 306 kW (410 hp) at 1,200 rpm, 408 kW (547 hp) at 1,600 rpm, 459 kW (616 hp) at 1,800 rpm
- 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
| Model | kW/RPM(hp/RPM) | Maximum Rated Input kW (hp) | Maximum RPM | Ratio | Sample Ratio Capacities | Dry Weight kg (lb) | col8 | col9 |
|---|---|---|---|---|---|---|---|---|
| 1200 rpm | 1600 rpm | 1800 rpm | ||||||
| MM W3300 DS | 0,292 (0,392) | 642 (861) | 2200 | 6,556 | 306 (410) | 408 (547) | 459 (616) | 1260 (2780) |
| 0,255 (0,342) | 561 (752) | 6,940 | 350 (470) | 467 (627) | 526 (705) |
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 W3450 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
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