Harmar SL600/SL600HD: Pinnacle Premium Stairlift
The Pinnacle Premium Stair Lift is the industry's most compact residential stairlift, offering a clean, grease-free ride with its patented worm gear drive system.

Premium Performance You Deserve
You deserve to have access to every floor in your home. The Pinnacle SL600 is here to help you take back your freedom. With a lifting capacity of 350 lbs, this straight stairlift provides riders with the confidence to go up and down their stairs safely and comfortably.
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 lbs, this seat is here to ensure you have a secure and comfortable ride to the next floor.
Enjoy your rides between floors as the helical worm gear does all the work for you, grease and lubrication-free!
The narrowest stairlift in the market, Pinnacles can also accommodate up to 350 lb—or 600 lb for our SL600HD—with a comfortable seat. Our lifts can fold as narrow as 10.5” when not in use.
In the event of a power outage, you won’t be stranded on the stairs. Pinnacles are designed to provide up to 60 trips if a power outage occurs.
SL600/SL600HD Pinnacle Premium Stairlift Key Features
INDUSTRY'S NARROWEST PROFILE
RELIABLE IN A POWER OUTAGE
CLEAN & LOW-MAINTENANCE
SMOOTH & QUIET RIDE
INTUITIVE OPERATION
COMFORTABLE & SAFE SEATING
AUTOMATIC SAFETY SENSORS
POWERFUL & EASY OPTIONS
CUSTOMIZABLE ACCESSORIES
Frequently Asked Questions