Masson Marine Equipment
MM W8000 C
Coaxial version of the Masson Marine W8000 reverse reduction gearbox for workboats; ratios 1.989–5.908, max rated input up to 1371 kW (1838 hp), dry weight 1800 kg.
Description
The MM W8000 C is the coaxial version of the Masson Marine W8000 reverse reduction marine gearbox, with input and output shafts on the same axis. It uses hydraulically actuated multi-disc clutches and is designed for continuous duty in workboat applications.
Technical data
- Ratios: 1.989, 2.541, 2.570, 3.017, 3.459, 3.971, 4.413, 4.910, 5.481, 5.908
- Power rating: 1.410 kW/rpm (1.891 hp/rpm) at 1.989 down to 0.475 kW/rpm (0.637 hp/rpm) at 5.908
- Maximum rated input: up to 1371 kW (1838 hp)
- Maximum input speed: 972 rpm (1.989), 1242 rpm (2.541), 1580 rpm (2.570), 1475 rpm (3.017), 1691 rpm (3.459), 1900 rpm (3.971)
- Sample capacity (ratio 1.989): 1128 kW (1513 hp) at 800 rpm
- Dry weight: 1800 kg (3970 lb)
Key features
- Coaxial input and output shafts
- 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
- Dual-stage input coupling
- Oil cooler with fittings and flexible hoses
- Control cable bracket and clamp parts for push-pull cable connection
- Plate-type mounting brackets for welding
- Standard input rubber
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
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 |
|---|---|---|---|---|---|---|---|---|
| 800 rpm | 1200 rpm | 1600 rpm | ||||||
| MM W8000C | 1,410 (1,891) | 1371 (1838) | 972 | 1,989 | 1128 (1513) | (-) | (-) | 1800 (3970) |
| 1,103 (1,479) | 1370 (1836) | 1242 | 2,541 | 883 (1184) | 1325 (1777) | |||
| 0,868 (1,164) | 1371 (1838) | 1580 | 2,570 | 694 (931) | 1041 (1497) | |||
| 0,930 (1,247) | 1371 (1838) | 1475 | 3,017 | 744 (998) | 1116 (1497) | |||
| 0,811 (1,088) | 1371 (1838) | 1691 | 3,459 | 649 (870) | 973 (1305) | 1298 (1740) | ||
| 0,706 (0,947) | 1341 (1822) | 1900 | 3,971 | 565 (757) | 847 (1136) | 1130 (1515) | ||
| 0,636 (0,853) | 1208 (1641) | 4,413 | 509 (682) | 763 (1023) | 1018 (1365) | |||
| 0,571 (0,766) | 1085 (1474) | 4,910 | 457 (613) | 685 (919) | 914 (1225) | |||
| 0,512 (0,687) | 972 (1321) | 5,481 | 410 (549) | 614 (824) | 819 (1099) | |||
| 0,475 (0,637) | 903 (1211) | 5,908 | 380 (510) | 570 (764) | 760 (1019) |
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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