JFB Series — Planetary Rotary Gearboxes
Short Description:
From Compact to Heavy Duty. Tailored for Your Needs.The JSJ Series Hydraulic Winches are fully integrated drive units consisting of hydraulic motor, planetary gearbox, multi-disc brake, balance valve, distributor, and drum. With modular design and flexible configuration, JSJ winches cover an exceptionally wide range of pulling capacities and rope capacities, making them ideal for both standard and customized applications.
• Fully compatible with Rexroth GFB series in dimensions, torque class, and mounting interface.
• Compact two- or three-stage planetary design delivers high torque with minimal size.
• Integrated spring-applied, hydraulic-released brake ensures safe load holding.
• Strong bearing support and robust gear structure for heavy-duty radial and axial loads.
• High efficiency, low noise, and long service life with optimized gear geometry.
• Optional anti-rotation arm, corrosion protection, and sensors for harsh environments.
• Output Torque: 4,000–120,000 Nm
• Gear Ratio: 25:1 – 200:1
• Input: Hydraulic or electric motor interface (SAE/ISO standard)
• Output: Pinion, spline, or flange connection for slewing bearings
• Lubrication: Oil or grease, with optional cooling system
• Mounting: Foot or flange type, direct replacement for GFB units
• Temperature Range: –25 °C ~ +80 °C
• Slewing drives for cranes, excavators, and aerial platforms
• Winches and hoisting systems
• Marine and offshore deck machinery
• Mining, tunneling, and drilling equipment
• Industrial turntables and wind turbine yaw drives