Description
Available now at USA Medical Supply – 1779 Riverdale Street, West Springfield, MA
The Harmar Pinnacle SL600 is one of the most sleek, space-saving, and dependable straight stairlifts available in the market. Engineered for daily use in homes with standard staircases, the SL600 offers a smooth, quiet ride—backed by Harmar’s patented greaseless helical worm gear drive system, advanced safety features, and a minimalist footprint.
Designed for those who value clean aesthetics, reliable function, and comfort, the SL600 stands out for its exceptionally narrow folded profile—just 10.5 inches, the narrowest in the industry. It's ideal for anyone seeking a compact solution without sacrificing performance, especially in tight stairways.
🔍 Key Technical Specifications
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Weight Capacity: 350 lbs
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Drive System: Patented helical worm gear with nylon polymer gear rack
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Power Supply: 24V DC battery operation with a standard 120V AC charger
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Travel Speed: 14 feet per minute
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Track Length: Standard up to 15'6" | Optional extensions up to 40’
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Folded Width: Just 10.5” from wall with seat and footrest folded
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Seat Dimensions: 18.5” wide x 14” deep | 25” between armrests
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Rail Height: 3” high, mounted directly to stairs—not the wall
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Swivel Range: 85° seat swivel at top and bottom landings
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Footrest Clearance from Floor: ~4.5”
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Operation: Constant-pressure rocker switch with LED status indicators
✅ Top Benefits at a Glance
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Ultra-Compact Design: Industry's narrowest profile keeps stairways accessible for other household members.
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Low Maintenance: The greaseless nylon gear rack means no oil, no mess, and fewer service needs.
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Quiet Operation: Smooth and whisper-quiet thanks to Harmar’s advanced helical gear system.
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Power Outage Protection: Up to 60 full trips on battery power, ensuring uninterrupted access even during blackouts.
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Zero-Wall Clearance: Track installs directly on stair treads—not on the wall—eliminating drywall damage and increasing structural safety.
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Easy-to-Use: Large ergonomic controls make operation simple for users with limited hand strength or dexterity.
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Smooth Start and Stop: Eliminates jolts or sudden movements, which is ideal for elderly users or those with joint pain.
🛋️ Comfort & Accessibility Features
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Contoured Seat & High Backrest: Upholstered for long-term comfort and designed to support natural posture.
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Wide Armrest Space: 25” between arms accommodates users of various body types.
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Retractable Seatbelt: Easy-to-use and adjustable for enhanced safety.
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Swivel-and-Lock Seating: 85° swivel at landings makes transferring in and out of the chair safer and more comfortable.
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Adjustable Footrest: Stable platform with non-slip surface and safety sensors.
🛡️ Built-In Safety Features
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Obstacle Detection: Sensors in the footrest and chassis automatically stop the lift and provide audible alerts if an object is detected.
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Seat Interlock: Prevents the lift from operating unless the seat is in the correct position.
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Overspeed Brake: Prevents uncontrolled descent in the unlikely event of mechanical failure.
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Emergency Stop Button: Manual override for added control.
➕ Optional Upgrades & Accessories
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🔐 Key Lock: Prevents unauthorized use—ideal for homes with children or guests.
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🔁 Power Swivel Seat: Enhances independence with automated seat turning.
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🦶 Power Folding Footrest: Automatically tucks away when not in use.
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📏 Track Extensions: For staircases longer than 16 feet.
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📉 Folding Bottom Rail: Reduces tripping hazards near doorways or hallways.
🛠️ Warranty Coverage (USA Medical Supply Installs Only)
All stairlifts are installed and serviced by our in-house technicians—no third-party subcontractors. We service everything we sell.
🧼 Maintenance Tips
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Monthly Cleaning: Wipe down rail with a damp cloth to remove dust or pet hair.
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Battery Care: Keep plugged in at all times to preserve charge life.
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Annual Tune-Up: Recommended inspection by USA Medical Supply technician to ensure top performance.
⚠️ Considerations for Shorter Users
Users under 5’4” may find the footrest slightly elevated. A portable stairlift step is available upon request to improve foot placement and mounting comfort. We offer personalized sizing consultations during your free assessment.
🛍️ Buy with Confidence from USA Medical Supply
📍 Visit Us:
1779 Riverdale Street, West Springfield, MA 01089
🕘 Walk-In Hours:
Mon–Fri: 9 AM–6 PM
Saturday: 9 AM–2 PM
Sunday: Closed
📱 Text for Free Assessment & Super Pricing: (413) 200-4191
📞 Call: (413) 733-7843 Ext. 100
💰 Used Stairlift Savings
Save over $1,000 on certified used units with prorated parts warranty and a 1-year guarantee on service and parts. Inventory changes daily—contact us to check availability.
📚 Resources:
🎯 Why Customers Choose the SL600
The Pinnacle SL600 isn’t just a stairlift—it’s a long-term mobility investment for homeowners seeking ease, reliability, and elegance. With zero grease, whisper-quiet operation, and industry-leading compactness, it’s perfect for those who demand functionality without clutter or complication.
