Pinnacle SL600 HD Straight Stairlift

Pinnacle SL600HD Stairlift High-backed, contoured 18.5″ wide seat ensures a comfortable and secure ride. Sturdy, stationary armrests and reinforced footrest add stability for safer transfers. Slides out from wall as it pivots at top landing. As with all Pinnacle stair lifts, the HD model is engineered to the highest industry standards and designed for optimal comfort, convenience and aesthetics. Extending the many benefits of the Pinnacle’s patented Worm Drive, the SL600HD features a premium ride, little to no maintenance, comfortable seating, and ease of access with a 85° swivel – now with extraordinary lifting capacity.  


  • Industry-best 600 lb capacity
  • Seat swivels 85° at the upper landing for easy dismount or transfer
  • Up to 40′ of travel
  • Patented helical worm gear drive system for a smooth and quiet ride
  • Low Maintenance
  • Operating control in the armrest
  • Comfortable, plush upholstered seat
  • Safety sensors in the footrest and chassis will stop the lift if it meets an obstruction
  • Options/Accessories: Key lock to protect against unauthorized use


  • Weight capacity
    600 lb (272 kg)
  • Incline Limits
    27° – 48° (inclines above 45° may require local jurisdiction approval)
  • Speed
    14 FPM
  • Folded Width
    17″ from wall
  • Track Length
    15’6″ standard; up to 40′
  • Seat size
    18.5″ x 14″
  • Drive System
    Nylon Polymer Helical Worm Gear
  • Power
    24V DC
  • Outdoor
  • Safety Features
    • Obstruction Sensors • 85° Seat Swivel Interlock • Seat Belt • Centrifugal Overspeed Brake
  • Options
    • Key Lock • Extra Rail • Manual Lowering Tool
  • Warranty
    3-Year Parts 10-Year on Gear Rack 1-Year Battery

For more information about the Harmar SL600 HD Pinnacle stairlift, or any of our other products or services, call us at


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