SL600HD Pinnacle Heavy-Duty Stairlift
Need a stairlift for safer stairs? The Pinnacle SL600HD gives you effortless access to every level of your home. With a powerful 600-lb lifting capacity, this heavy-duty stairlift delivers strength without compromising comfort.
- No grease or mess means easy maintenance and a cleaner home environment for hassle-free use.
- Runs up to 60 cycles on battery power during outages, ensuring reliable performance when you need it most.
- Features a high-backed, extra-wide seat, sturdy armrests, and a reinforced footrest for added comfort and safety.
- Includes a retractable seat belt for secure, safe rides up and down the stairs.
Assembled in the USA
Harmar Local Dealer in South Florida
Supports up to 600 lb.
Lifetime motor warranty
Features
- Supports up to 600 lbs, it's a reliable option for heavier users
- Operating control in the armrest
- Offers up to 40′ of travel
- Patented helical worm gear drive ensures a quiet, smooth ride without annoying noise
- Designed to make life easier, requiring minimal maintenance
- A key lock option offers extra security to prevent unauthorized use
- A key lock option offers extra security to prevent unauthorized use
- Seat swivels 85 degrees at the top for easy dismounting and smoother transfers, offering maximum convenience.
- The plush, upholstered seat ensures comfort, even for longer rides, making it ideal for daily use
- Footrest and chassis safety sensors stop the lift if an obstruction is detected, protecting users from accidents or damage.
Specifications
Weight Capacity
- 600 lb
Seat Size
- Seat: 18.5” W x 14” D
- Back: 17.6″ W x 17″ H
Footrest Size
12.3″ x 13.2″, height adjustable 17″–22″
Speed
14 FPM
Folded Width
- 16.5″ from wall
Track Length
- 15’6″ to 40′
Incline Limits
27° – 48°
(inclines above 45° may require local jurisdiction approval)
Drive System
- Patented nylon polymer gear rack
- Helical worm gear
Safety Features
- 85° seat swivel interlock
- Seat belt
- Centrifugal overspeed brake
- Lockable battery and breaker switch
- Motor brake
- Footrest obstruction sensor
- Obstruction sensors
Available Options
- Key lock
- Extra rail
- Manual lowering tool
Warranty
- Parts: 3 years
- Gear rack: 10 years
- Battery: 1 year
Certifications
- ETL listed
- CSA B44.1/ASME A17.5
- Safety standard ASME A18.1
- Rated commercial & residential
Downloadable Materials
Frequently Asked Questions
Quick information about performance, controls, safety systems, and reliability.
Is it suitable for commercial buildings?
- Yes. It is approved for homes and commercial buildings. It is ETL listed and meets ASME and CSA safety standards.
How often should the batteries be charged?
- The lift charges automatically when parked at the top or bottom. Always leave it at a landing so the batteries stay ready.
What makes the Pinnacle drive system better for heavy loads?
Many lifts use rack-and-pinion systems that wear faster under heavy weight. The Pinnacle uses a helical worm gear that spreads weight evenly. This reduces wear, lowers friction, and improves long-term reliability.
Is the ride smooth and quiet?
Yes. The helical worm gear provides a very quiet and smooth ride. The wide, high-back seat and strong footrest add stability while riding and getting on or off.
Are security options available?
Yes. A key lock can be added to prevent use by children or guests without permission.
What emergency braking systems are included?
The SL600HD uses three safety braking systems. An overspeed brake stops the lift if it moves too fast going down. A motor brake ensures smooth, controlled stops. A lockable battery and breaker switch support safe maintenance and secure storage.