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(858) 560-8177 Kearny Mesa Store         (760) 993-5444 Vista Store
(858) 560-8177 Kearny Mesa Store
(760) 993-5444 Vista Store

Pinnacle Premium Straight Heavy Duty Stairlifts

by Harmar

The Pinnacle SL600HD is here to help you take that step towards accessing every floor in your home. With a higher lifting capacity of 600 lb, this seat is here to ensure you have a secure and comfortable ride to the next floor. No grease or lubrication equals no mess! Cleaner for you, your home, and pets. Efficient motor with a nylon polymer gear/worm drive provides a smooth ride and up to 60 up and down cycles on batteries during a power outage. The high-backed, extra wide chair, stationary armrests, and reinforced footrest offer stability for rides and transfers. Safety first! Buckle up with the retractable seat belt for a safer trip up and down your stairs.

  • 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 onstruction
  • Options/Accessories: Key lock to protect against unauthorized use
  • Obstruction sensors
  • 85° seat swivel interlock
  • Seat belt
  • Centrifugal overspeed brake


  • Seat Size: 18.5" x 14" (47x36cm)
  • Backrest Size: 17.6" x 17" (45x43cm)
  • Folded Width from Wall: 16.5" (42cm)
  • Weight Capacity: 600 lbs.


  • Speed: 14 FPM
  • Track Length: 15'6" standard; up to 40'
  • Incline Limits: 27° - 48° (inclines above 45° may require local jurisdiction approval)
  • Drive System: Patented Nylon Polymer Helical Worm Gear
  • Warranty:
    • 3-Year Parts
    • 10-Year on Gear Rack
    • 1-year battery
  • Power: 24V DC
  • Outdoor: No


  • ETL listed
  • CSA B44.1/ASME A17.5
  • Safety standard ASME A18.1
  • Rated commercial and residential