Masson Marine Equipment
MM W18000 NR
Non-reversing marine reduction gearbox (Masson Marine W range) for workboats and dredgers; ratios 1.810–3.786, max rated input 3762 kW (5045 hp) at up to 1800 rpm, dry weight 3650 kg.
Description
The MM W18000 NR is a non-reversing marine reduction gearbox from Masson Marine's W range, designed for continuous duty in workboat and dredger applications. It is offered with ratios from 1.810 to 3.786 for engines up to 1800 rpm.
Technical data
- Ratios: 1.810, 2.105, 2.576, 2.967, 3.407, 3.786
- Power rating: 2.090 kW/rpm (2.803 hp/rpm) for ratios 1.810–2.967; 1.755 kW/rpm (2.353 hp/rpm) at 3.407; 1.659 kW/rpm (2.225 hp/rpm) at 3.786
- Maximum rated input: 3762 kW (5045 hp)
- Maximum input speed: 1800 rpm
- Sample capacities (ratios 1.810–2.967): 2090 kW (2803 hp) at 1000 rpm, 2508 kW (3363 hp) at 1200 rpm, 3344 kW (4484 hp) at 1600 rpm
- Dry weight: 3650 kg (7720 lb, as published)
Key features
- Robust design with easy onboard maintenance
- Hydraulically actuated multi-disc clutch
- 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
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 |
|---|---|---|---|---|---|---|---|---|
| 1000 rpm | 1200 rpm | 1600 rpm | ||||||
| MM W18000 | 2,090 (2,803) | 3762 (5045) | 1800 | 1,810 | 2090 (2803) | 2508 (3363) | 3344 (4484) | 3650 (7720) |
| 2,105 | ||||||||
| 2,576 | ||||||||
| 2,967 | ||||||||
| 1,755 (2,353) | 3159 (4236) | 3,407 | 1755 (2353) | 2106 (2824) | 2808 (3766) | |||
| 1,659 (2,225) | 2986 (4005) | 3,786 | 1659 (2225) | 1991 (2670) | 2654 (3560) |
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
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- 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
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