The Rauma Brattvaag M4185 Double Safety Hydraulic Motor is a fail-safe, low-speed high-torque (LSHT) hydraulic motor specially engineered for critical marine and offshore winch systems. Designed by Rauma Brattvaag (now part of Rolls-Royce Marine AS), this motor is built for maximum operational safety, redundancy, and reliability in harsh marine environments.
This double safety configuration motor ensures controlled operation even during pressure loss or emergency conditions, making it ideal for anchor handling, mooring, and towing applications.
Technical Specifications
•Model / Type: M4185 Double Safety
•Manufacturer: Rauma Brattvaag
•Group: Rolls-Royce Marine AS / Kongsberg Maritime
•Motor Type: Hydraulic LSHT Motor (Low Speed High Torque)
•Design: Double safety / fail-safe hydraulic motor
•Condition: New / Reconditioned / Ready stock available
Double Safety System
•Dual braking system (mechanical + hydraulic)
•Fail-safe operation
•Controlled load lowering system
•Emergency stop protection
•Anti-runaway safety for winches
Key Features
•High torque at low RPM (perfect for winch drives)
•Double safety brake system
•Fail-safe load holding capability
•Designed for extreme marine conditions
•Long service life with low maintenance
•Easy retrofit in existing Brattvaag systems
•Smooth and controlled operation
•Suitable for offshore critical applications
Applications
•Mooring winch systems
•Anchor windlass systems
•Towing winches
•Offshore anchor handling systems
•Deck cranes and drum drives
•Ship hydraulic drive systems
•Emergency safety winch systems
Spare Parts Availability
•Seal kits
•Shaft seal kits
•Brake components
•Bearing sets
•Complete overhaul kits
Global Supply – GANI MARINE EXPORTER
GANI MARINE EXPORTER supplies genuine:
•Rauma Brattvaag hydraulic motors
•Rolls-Royce Marine AS spare parts
•Kongsberg Maritime systems
Global Export – Gani Marine Exporter
Russia : Moscow, Saint Petersburg, Novorossiysk, Vladivostok, Murmansk, Kaliningrad, Sochi, Arkhangelsk, Rostov-on-Don, and other port cities.
UAE – United Arab Emirates : Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah, Fujairah, Khor Fakkan, Umm Al Quwain, and all industrial and port zones.
China : Shanghai, Shenzhen, Guangzhou, Qingdao, Tianjin, Hong Kong, Dalian, Xiamen, Ningbo, Chongqing, Wuhan, and other major cities.
UK : London, Liverpool, Southampton, Newcastle, Aberdeen, Glasgow, Bristol, Birmingham, Manchester, and all significant ports.
France : Paris, Marseille, Le Havre, Dunkirk, Lyon, Bordeaux, Nice, Nantes.