Masson Marine Equipment
MM W6000 NR
Masson Marine MM W6000 NR non-reversing reduction marine gearbox, 0.510 kW/rpm, max input up to 957 kW (1,283 hp), max 1,800–2,800 rpm depending on ratio, ratios 4.477–9.919, dry weight 1,790 kg.
Description
The MM W6000 NR is a non-reversing reduction marine gearbox from Masson Marine's W range, built for continuous duty in workboat and dredger applications.
Key features
- 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: 0.510 kW/rpm (0.684 hp/rpm) for ratios 4.477–5.103, decreasing to 0.262 kW/rpm (0.351 hp/rpm) at 9.919
- Maximum rated input / speed: 918 kW (1,231 hp) at 1,800 rpm; 902 kW at 2,000 rpm; 920 kW at 2,300 rpm; 957 kW (1,283 hp) at 2,600 rpm; 949 kW at 2,800 rpm
- Ratios: 4.477, 5.103, 5.765, 6.508, 7.061, 7.674, 8.704, 9.919
- Sample capacities (0.510 kW/rpm): 612 kW (821 hp) at 1,200 rpm, 816 kW (1,094 hp) at 1,600 rpm, 918 kW (1,231 hp) at 1,800 rpm
- Dry weight: 1,790 kg (3,950 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 W6000 | 0,510 (0,684) | 918 (1231) | 1800 | 4,477 | 612 (821) | 816 (1094) | 918 (1231) | 1790 (3950) |
| 5,103 | ||||||||
| 0,451 (0,605) | 902 (1210) | 2000 | 5,765 | 541 (726) | 722 (968) | 812 (1089) | ||
| 0,400 (0,536) | 920 (1234) | 2300 | 6,508 | 480 (644) | 640 (858) | 720 (966) | ||
| 0,368 (0,493) | 957 (1283) | 2600 | 7,061 | 442 (592) | 589 (790) | 662 (888) | ||
| 0,339 (0,455) | 949 (1273) | 2800 | 7,674 | 407 (546) | 542 (727) | 610 (818) | ||
| 0,299 (0,401) | 837 (1123) | 8,704 | 359 (481) | 478 (642) | 538 (722) | |||
| 0,262 (0,351) | 734 (984) | 9,919 | 314 (422) | 419 (562) | 472 (632) |
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