HSE Series Slew Drives: High-Speed, Heavy-Load Solutions for Modern Engineering
What is an HSE Series Slew Drive?
The HSE Series Slew Drive is a heavy-duty, high-speed rotary actuator that combines a slewing bearing, high-strength worm gear, and compact housing into a precision-engineered system. Built for high torque output, faster rotational speeds, and enhanced load handling, the HSE (High-Speed Enclosed) series is ideal for industries where powerful and efficient rotary movement is critical—such as in construction, automation, and high-capacity solar tracking systems.
Unlike standard slew drives, the HSE series emphasizes dynamic motion without compromising torque stability or environmental durability.

Key Features and Performance Benefits
High-Speed Worm Drive Architecture
Optimized gear ratios and low backlash worm systems enable faster rotation cycles without overheating or gear fatigue.
Increased Torque and Load Output
Built for axial and radial load conditions, HSE drives can handle higher moment loads compared to traditional models.
Reinforced Housing and Sealing
Encased in corrosion-resistant aluminum or steel housing with IP66 protection, it’s ready for rugged terrain or outdoor exposure.
Motor Flexibility
Compatible with servo motors, hydraulic motors, and stepper drives, the HSE platform is ideal for integration with advanced control systems.
Precision and Reliability
High-grade slewing rings with hardened raceways ensure long service life and minimal maintenance in 24/7 operation.
Application Scenarios
Automated Construction Equipment: High-speed positioning for cranes, boom lifts, and cement sprayers.
High-Load Solar Trackers: Where panel arrays are large and require faster adjustment cycles.
Logistics and Conveyor Turntables: Industrial sorting systems with high throughput.
Mining and Tunneling Equipment: Harsh environmental conditions requiring dustproof and shock-resistant rotation.
Military Radar and Targeting Systems: Fast-response rotation under high payload demands.
LDB’s HSE Series Slew Drive Product Line
LDB provides HSE Series drives from 6” to 25” sizes with customizable torque, gear, and speed characteristics. Units undergo precision grinding, hardening, and dynamic testing before shipping.
Specifications Overview:
Torque Capacity: Up to 70,000 Nm
Speed Range: Up to 10 rpm
Gear Ratios: 20:1 to 120:1
Mounting Types: Flange or dual-output shaft
Seal Level: IP66 standard; optional IP67 marine rating
LDB also offers encoder-ready configurations and automatic lubrication systems for high-duty environments.
Pricing, Supplier, and Manufacturer Considerations
LDB is an experienced global manufacturer and trusted supplier of advanced rotary solutions. The HSE series is developed with a focus on speed, durability, and engineering precision.
Price Influencers:
Motor compatibility and power level
Torque and load specifications
Custom sealing and housing materials
Application-specific mounting or feedback integration
Typical Price Range: USD $900 to $5,800 based on configuration.
Quotes and technical drawings are available through www.ldb-bearing.com. LDB also supports international delivery, assembly advice, and real-time engineering support.
Why Choose LDB for HSE Drives?
Over 20 years of slewing system experience
High-speed gear design for low-noise operation
Application-matched material selection
Strong export presence in construction, defense, and industrial automation
LDB’s HSE Series Slew Drives have been deployed in rapid-response radar systems, offshore drilling arms, and tunnel boring machines across the globe.
Conclusion
The HSE Series delivers where speed meets strength. With LDB’s engineering expertise and global service network, this high-performance slew drive meets the growing demands of modern industries. Whether you’re rotating tons of steel or realigning a solar farm—trust LDB as your supplier and manufacturer for world-class slewing drive solutions.