FWA21 Slewing Drive for Truck Mounted Crane and Heavy Rotary Equipment

The YOJU FWA21 Slewing Drive is designed for heavy-duty rotary applications requiring high torque transmission, dependable sealing protection, and stable rotational performance. Built with enclosed housing technology and precision worm gear engineering, the FWA21 model delivers outstanding durability and smooth 360° rotation for demanding industrial environments.

As part of the YOJU FWA/FWB series, the FWA21 slewing drive combines advanced gear technology, strong load-bearing capacity, and long operational lifespan, making it suitable for truck mounted cranes, aerial working platforms, drilling machinery, and rotating platform systems.

Heavy-Duty FWA21 Slewing Drive Design

The FWA/FWB series adopts a fully enclosed housing structure integrated with shaft seals. Its ingress protection rating can reach IP65, effectively preventing dust, water, and external contaminants from entering the internal transmission system.

Compared with conventional open gear drive systems, the enclosed housing design offers major advantages:

• Improved sealing capability

• Reduced maintenance frequency

• Better internal component protection

• Enhanced lubrication stability

• Longer working life in harsh environments

The FWA21 slewing drive is particularly suitable for outdoor heavy equipment applications where operational reliability is essential.

Advanced Worm Gear Technology for High Torque Output

YOJU applies specially developed worm gear technology, optimized material selection, and precision surface heat treatment processes to the FWA/FWB series.

This engineering structure allows the FWA21 slewing drive to achieve:

• Super torque output

• Excellent wear resistance

• Stable rotational control

• High transmission efficiency

• Long-term durability under heavy loads

The specially heat-treated worm gear and worm shaft improve hardness and fatigue resistance, ensuring reliable performance during continuous industrial operation.

FWA21 Slewing Drive Features

Enclosed Housing With IP65 Protection

The enclosed housing and shaft seal design improve sealing performance up to IP65 protection level.

Key benefits include:

• Effective dust prevention

• Water resistance

• Reduced internal contamination

• Lower maintenance requirements

• Longer service intervals

Precision Heat-Treated Worm Gear System

The specially designed worm gear and worm shaft provide:

• Smooth rotational movement

• Stable torque transmission

• Improved wear resistance

• Enhanced mechanical strength

Continuous 360° Rotation

The FWA21 slewing drive supports continuous clockwise and counterclockwise rotation, allowing flexible rotary movement for heavy-duty equipment systems.

Optional Self-Locking Configuration

Self-locking and non-self-locking worm gear configurations are available according to different application requirements.

Self-locking structures help improve:

• Position holding stability

• Operational safety

• Load control capability

• Wind resistance performance

Flexible Customization Options

YOJU offers multiple customization solutions for the FWA/FWB series, including:

• Metric or British standard options

• Customized installation dimensions

• Customized input interfaces

• Single worm shaft structure

• Double worm shaft structure

The optional double worm shaft configuration provides double torque output for higher load applications.

FWA21 Slewing Drive Performance Parameters

Imperial Unit Specifications:

With high output torque and strong holding capability, the FWA21 slewing drive is ideal for heavy lifting and demanding rotary motion applications.

Applications of FWA21 Slewing Drive

The YOJU FWA21 slewing drive is widely used in industrial equipment requiring stable rotation, heavy load support, and reliable motion control.

Truck Mounted Crane

The FWA21 model provides smooth rotational performance and strong load-bearing capability for truck crane systems.

Advantages include:

• Stable lifting rotation

• Precise positioning control

• Dependable self-locking capability

• Long service life under heavy-duty operation

Aerial Working Platform

For aerial platforms, the slewing drive supports safe and controlled rotary movement at elevated working heights.

Drilling Machine

The high torque transmission structure allows stable operation in drilling machinery operating under continuous load conditions.

Rotating Platform

The FWA21 slewing drive is also suitable for industrial rotary platforms requiring accurate positioning and continuous rotational performance.

Why Choose YOJU FWA21 Slewing Drive

YOJU focuses on manufacturing precision slewing drive solutions for demanding industrial applications. The FWA/FWB series integrates advanced worm gear technology with durable structural engineering to meet modern equipment performance requirements.

Key advantages of the FWA21 slewing drive include:

• High torque transmission capability

• IP65 sealing protection

• Excellent wear resistance

• Low backlash precision control

• Optional double worm shaft design

• Long operational lifespan

• Customizable installation solutions

• Reduced maintenance costs

With its enclosed housing structure, strong load capacity, and durable worm gear system, the YOJU FWA21 slewing drive is an efficient rotary drive solution for truck mounted cranes, drilling equipment, aerial working platforms, and heavy industrial rotating systems.