Explore Our HD4 Storage Systems

Our HD4 Storage Systems have carriages made of a special 6061 structural grade aluminum extrusion with a 5/8” shelving retaining lip. Carriages are fully welded in a jig and have a 1000 pound capacity per foot with 4.5” load diameter dual flanged guide wheels with a capacity of 7000 pounds per wheel assembly. Drive wheels are connected to a continuous ¾” solid steel drive shaft.

Our carriages ride on a track made of a special aluminum extrusion fitted with a 5/8” 1045 carbon steel bar. HD4 carriages are available in sizes up to 4 feet wide and 21 feet long.​ Carriages are custom made to fit any sturdy shelving or other storage products you can imagine.

End panels are available in a variety of high and low pressure laminates. Steel end panels are also available as an option. Mechanical assist carriages have a heavy duty crank assembly and safety lock standard with several other features available. Manual carriages have a 9” aluminum pull handle. Several floor & decking options are available.

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HD4 Electric Systems

System Control

  • Utilizes a heat and pressure sensitive touchpad to control system.
  • Contact area is large enough to provide access to handicapped and hands full users.
  • User interface provides a diagonstic display that indicates problems.
  • Carriage Movement System

  • Control system provides soft starting and stopping, to minimize mechanical wear on motor and mecanical components.
  • System has motor current protection for materials and personnel.

  • Carriage Stopping Control

  • Control provides for smooth stopping, thru the use of infrared sensors: which automatically calculate and adjust the movement, slow down and stopping.
  • Carriage control provides a means to adjust the stopping distance of the carriage without the use of mechanical switches.
  • Carriage system provides a means to convert a carriage to a stationary unit to provide multipule aisles.
  • Carriage system provides a means to use dual controls.
  • Safety Systems

  • System has a passive safety system which automatically shut down system when someone enters the aisle
  • System accomodates a photo cell system that runs the length of the carriages and will shut down system when the beam is blocked, which protects personel and objects in the aisle.
  • A secondary safety: utilizes our curent monoring device which will shut down the motor. An emergency stop button on the control panel stops the system​ when the carriage encounters a person or object.​
  • High Capacity

    High grade aluminum carriages with 1000lbs per foot capacity, solid steel drive system with sealed and lubricated bearings​.

    Lightweight & Strong

    Carriages are made of special 6061 structural grade aluminum with a 5/8” retaining lip.


    Recessed shelving mount, fully supported and interlocking drive panels,optional in rail & overhead antitips ,safety sweep and carriage safety lock.​


    Carriages are fully welded in a jig with factory installed precision drive and guide system components.​

      Standard Features

    • Heavy Duty Crank: has solid aluminum crank and heady duty precision ground and sealed bearings.

    • Safety Locks: locks the carriage drive system not the crank handle. If crank drive chain breaks or fails, the system is still safely locked!

    • Drive Chain Tightener: is adjustable without removing end panel!

    • Gearing: is reduced to require less than one pound of force to move 5000 lbs

    • Flooring: ¾” tongue and grooved sturdi-floor plywood, with 19” ADA ramp.

    • Fully Assembled Components Where Possible

      Optional Features

    • Keyed Security Lock

    • High Security Lock

    • Inventory Control Lock

    • Superior Rail Anti-tip

    • Mechanical Safety Sweep

    • Superior Overhead Anti-Tip

    • End Stops

    • ADA Tread Plate Ramp

    • Floor Covering

    • Dual Drive System

    • Electric