Slew Drives in Agricultural Equipment: Enhancing Efficiency and Control in Smart Farming
What is a Slew Drive in Agriculture?
A slew drive in agricultural equipment is a rotational actuator that enables smooth, precise, and powerful movement in machines used for planting, irrigation, harvesting, and land management. It combines a slewing bearing with a worm gear or spur gear system, housed in a sealed enclosure for outdoor resilience.
Whether used in automatic irrigation arms or precision harvesters, slew drives are critical in modernizing agricultural operations by offering controlled rotation, torque transmission, and high load-bearing capacity in compact units.

Functional Benefits for Farm Machinery
Compact Power for Rotary Movement
Slew drives offer strong torque in small packages—perfect for applications where space is limited but rotational strength is crucial.
Self-Locking Safety
Worm gear slew drives provide natural self-locking properties, ensuring safety during equipment shutdown or slope operations.
Environmental Durability
With IP65 or higher protection, slew drives from LDB resist dust, water, mud, and chemicals commonly found in agricultural environments.
Multi-Axis Control
Dual-axis slew drives enable adjustable nozzle angles in irrigation or variable cutter positioning in harvesters.
Reduced Maintenance
Factory-sealed and lubricated units extend operating life with minimal intervention, helping reduce labor costs in remote field settings.
Applications in Agricultural Equipment
Center Pivot and Lateral Irrigation Systems: For rotating sprinkler arms and terrain navigation.
Combine Harvesters and Forage Cutters: Rotating blades and adjustable grain bin augers.
Tractor Attachments: Ditchers, augers, and loaders requiring rotary articulation.
Autonomous Agricultural Robots: Controlled movement in field-mapping or weeding systems.
Aerial Drones and Sprayers: Pan-tilt control of nozzles or imaging sensors.
LDB Slew Drive Solutions for Agriculture
As a professional manufacturer and trusted global supplier, LDB provides slew drives customized for farming applications. Our portfolio includes:
Worm gear and spur gear series from 3” to 25”
Torque outputs from 500 Nm to 70,000 Nm
Options for IP66 sealing, low-temperature grease, and rust-resistant coatings
Pre-integrated motor mounts (DC/AC/hydraulic)
Modular and dual-axis drive assemblies
LDB also offers application-matched consultation, CAD files, and integration assistance for OEM manufacturers.
Pricing and Procurement Advice
Factors That Affect Price:
Drive size and torque specification
Gear type (worm vs spur) and ratio
Motor compatibility and brake integration
Quantity, sealing, and coating options
Typical Price Range: USD $300 – $4,500 based on configuration and volume.
Request a quote at www.ldb-bearing.com to receive a tailored recommendation and datasheet.
Why Choose LDB for Agricultural Slew Drives?
Over 20 years of mechanical transmission experience
Field-proven products used in Asia, South America, and Eastern Europe
Compatible with John Deere, Kubota, and CNH aftermarket systems
Technical and engineering support for prototyping and validation
LDB drives are currently deployed in automated irrigation pivots, harvester loaders, and self-propelled farming robots globally.
Conclusion
As agriculture transitions toward automation and data-driven practices, the role of compact and durable rotational actuators becomes essential. LDB’s slew drives empower farm machinery with precision motion, long-term reliability, and smart integration capabilities. Choose LDB as your manufacturer and long-term supplier for the future of smart farming.