Single Axis Slew Drives

Rotating around one axis, single axis slewing drives are an industry standard — reliable, easy to install and the most commonly used.

HE Series

Designed for solar trackers and fully customizable to application requirements.

VE Series

Designed for solar trackers but can also be used in applications where horizontal axis output is needed.

SE SERIES

Enclosed housing with a lip seal. Designed for use in mining equipment, aerial lifts, cranes, digger derricks, positioners, steering systems and utility equipment.

LP Series

Lower profile, and an enclosed housing with a case seal. Designed for use in solar trackers, mining equipment, aerial lifts, cranes, digger derricks, positioners, steering systems, medical applications, satellite, and radar dishes.

KE Series

Enclosed housing with a case seal. Designed for use in solar trackers, mining equipment, aerial lifts, cranes, digger derricks, positioners, steering systems, medical applications, satellite, and radar dishes.

S Series

Open housing. Designed for use in aerial lifts, cranes, digger derricks, steering systems, turntables and utility equipment.

HE Single Axis Solar Tracker Slew Drives

HE SERIES OVERVIEW AND APPLICATIONS

Designed for solar trackers and fully customizable to application requirements, the HE family of fully enclosed vertical drives is designed to deliver the highest performance.

KMI’s single axis slew drives feature multiple innovations, including dual-output torque tube interfaces and integrated mounting flanges for direct post attachment, for lower costs and more efficient installation.

HE Series Features:

Powered with KMI’s patented hourglass worm technology for reliable accuracy, our HE series slewing drives offer numerous features and advantages.

  • Optimized for single-axis photovoltaic trackers
  • Integrated raceway
  • Internal hard stops
  • Segmented gear
  • Self-locking gearset
  • Input, output and mounting are customizable
  • Can be purchased with or without a motor

Specifications for Single Axis HE Series Slew Drives

HE slew drives are available in four sizes, with multiple mounting and torque tube configurations. Performance ranges from 15kN-m to 39kN-m of load holding torque, and 2.5kN-m to 8kN-m of output torque. Gearbox reduction ratios of 51:1 up to 61:1 are available.

Proven Reliability

The KMI HE slew drive is the most commonly used actuator in the global single axis solar tracking market. We back all of our drive solutions with the industry’s longest warranties and a 30-year performance assurance.

VE Single Axis Slew Drives

VE SERIES OVERVIEW AND APPLICATIONS

Designed for both solar trackers and applications requiring horizontal-axis output, the VE family of fully enclosed vertical slewing drives requires no additional components for mounting.

Built to hold solar arrays steady in high winds, VE drives are high-power units that rotate and accurately position very long lines of panels to provide optimal energy collection.

VE Series Features:

Powered with KMI’s patented hourglass worm technology for reliable accuracy, our VE series slewing drives offer numerous features and advantages.

  • Designed for single axis photovoltaic solar trackers or applications requiring horizontal axis output
  • Uses slew-bearing subassembly
  • 360-degree rotation
  • Self-locking gearset
  • Input, output and mounting are customizable
  • Can be purchased with or without a motor

Specifications for Single Axis VE Series

The base-model sizes of the VE drives deliver performance ranges from 3,000N-m to 38,710N-m of holding torque, 201N-m to 8,960N-m of output torque, 500N-m to 33,900N-m of overturning moment load capacity, and gearbox reduction ratios of 30:1 up to 156,600:1. The mounting can be done vertically without extra components.

Proven Reliability

KMI VE drives are custom-engineered to accommodate a 30-year field life. All of our products meet the standards set by ISO 9001-, CE-, REACH-, and TUV-certified.

SE Single Axis Slew Drives

SE SERIES OVERVIEW AND APPLICATIONS

Ideal for situations requiring load holding and rotational torque from the same gearbox, KMI’s SE series slew drives are used across a range of industries.

Featuring an enclosed housing with a lip seal, our SE drives are designed for use in mining equipment, aerial lifts, cranes, digger derricks, positioners, steering systems and utility equipment.

SE Series Features:

  • Low-cost enclosed design with lip a seal
  • A slew-bearing subassembly
  • 360-degree rotation
  • Self-locking gearset
  • Dual worm gear designs available on some models for increased torque capacity
  • Standard options for metric or imperial mounting threads
  • Multiple input options available
  • Can be purchased with or without a motor

Specifications For Single Axis SE Series

Base model sizes for SE drives deliver performance ranges from 6kN-m to 220kN-m of load holding torque, 200N-m to 63kN-m of output torque, 500N-m to 271kN-m of overturning moment load capacity, and gearbox reduction ratios of 30:1 up to 156,600:1. Mounting can be achieved horizontally, vertically, or across a combination of multiple axes.

Proven Reliability

KMI SE drives come with an IP55-rated enclosure for near-total protection from environmental contaminants such as dust, dirt, sand and water. Through rigorous testing, we can back our drives with 30-year production assurance. Our methods and procedures have earned ISO 9001-, CE-, REACH-, and TUV-certified.

LP Single Axis Slew Drives

LP Series OVERVIEW AND APPLICATIONS

Compared to our standard SE and KE models, KMI’s LP series slewing drives are constructed with 10 percent less material. This low-profile design and reduced weight help OEMs achieve gross vehicle weight goals, increasing payload and boom reach.

With environmentally resistant enclosed housings and case seals, LP drives are ideal for solar trackers, mining equipment, aerial lifts, cranes, digger derricks, positioners, steering systems, satellite and radar dishes, and medical applications.

LP Series Features:

Powered with KMI’s patented hourglass worm technology for reliable accuracy, our LP series slew drives offer numerous features and advantages.

  • Low-profile gearbox for reduced weight and stack height
  • Enclosed design with case seals for improved sealing capability
  • A slew-bearing subassembly
  • 360-degree rotation
  • Self-locking gearset
  • Standard options for metric or imperial mounting threads
  • Multiple input options available
  • Can be purchased with or without a motor

Specifications For Single Axis LP Series

Available in three sizes, LP slew drives provide performance ranges from 39kN-m to 65kN-m of holding torque, 45kN-m to 135kN-m of overturning moment, and 8kN-m to 18kN-m of output torque. Gearbox reduction ratios of 61:1 up to 102:1 are available.

Proven Reliability

With an IP55-rated enclosure, LP drives offer complete protection from environmental contaminants such as dust, dirt, sand and water. Through rigorous equipment testing, we can demonstrate a 30-year accelerated lifetime. KMI drives are ISO 9001-, CE-, REACH-, and TUV-certified.

KE Single Axis Slew Drives

KE SERIES OVERVIEW AND APPLICATIONS

Featuring an IP55-rated enclosed housing and case seal, KMI’s KE series slewing drive is designed for low-maintenance, reducing labor costs in the field while delivering greater component protection.

KE drives are designed for use in solar trackers, mining equipment, aerial lifts, cranes, digger derricks, positioners, steering systems, satellite and radar dishes, and medical applications.

KE Series Features:

Powered with KMI’s patented hourglass worm technology for reliable accuracy, our KE series slew drives offer numerous features and advantages.

  • Enclosed housing with case seals for improved sealing capability
  • Slew-bearing subassembly
  • 360-degree rotation
  • Self-locking gearset
  • Dual worm gear designs available on some models for increased rotational torque capacity
  • Standard options for metric or imperial mounting threads
  • Multiple input options available
  • Can be purchased with or without a motor

Specifications for Single Axis KE Series

Base model sizes deliver performance ranges from 38kN-m to 48kN-m of load holding torque, 1,400N-m to 10kN-m of output torque, 33kN-m to 67kN-m of tilting torque, and gearbox reduction ratios of 30:1 up to 156,600:1. KE drives can be horizontally or vertically mounted.

Proven Reliability

With their low-maintenance IP55 rating, KE drives offer complete protection from environmental contaminants such as dust, dirt, sand and water. Its 30-year performance assurance is made possible through relentless equipment testing. KMI drives are ISO 9001-, CE-, REACH-, and TUV-certified.

S Single Axis Slew Drives

S SERIES OVERVIEW AND APPLICATIONS

With its open housing design, the S series slewing drives from KMI are excellent for low-cost manufacturing equipment that requires easy access and daily maintenance.

Their coverless design has useful applications in aerial lifts, cranes, digger derricks, steering systems, turntables and utility equipment.

S Series Features:

Powered with KMI’s patented hourglass worm technology for reliable accuracy, our S series slew drives offer numerous features and advantages.

  • Low-cost open-gearbox design
  • Slew-bearing subassembly
  • 360-degree rotational torque
  • Self-locking gearset
  • Standard options for metric or imperial mounting threads
  • Multiple input options available
  • Can be purchased with or without a motor

Specifications FOR SINGLE AXIS S SERIES

Base models deliver performance ranges from 3kN-m to 220kN-m of holding torque, 200N-m to 63kN-m of output torque, 500N-m to 271kN-m of tilting torque, and gearbox reduction ratios of 30:1 up to 156,600:1. Mounting can be achieved horizontally or vertically. For increased torque, drives are available with one or two worm gear shafts.

Proven Reliability

Robustly tested for consistent reliability, KMI S series slewing drives come with an assured 30-year field life. These versatile drives are ISO 9001-, CE-, REACH- and TUV‑certified.

Change Series
HIDE X
Select a Series
  • HE Series: Designed for solar trackers and fully customizable to application requirements.
  • VE Series: Designed for solar trackers but can also be used in applications where horizontal axis output is needed.
  • SE Series: Enclosed housing with lip seal, designed for use in mining equipment, aerial lifts, cranes, digger derricks, positioners, steering systems and utility equipment.
  • LP Series: Lower profile, enclosed housing with case seal, designed for use in solar trackers, mining equipment, aerial lifts, cranes, digger derricks, positioners, steering systems, medical applications, satellite and radar dishes.
  • KE Series: Lower profile, enclosed housing with case seal, designed for use in solar trackers, mining equipment, aerial lifts, cranes, digger derricks, positioners, steering systems, medical applications, satellite and radar dishes.
  • S Series: Open housing, designed for use in aerial lifts, cranes, digger derricks, steering systems, turntables, and utility equipment.