ProActive Medical Chariot IV K4 High-Strength Lightweight Wheelchair
Model: Chariot IV K4 High-Strength Lightweight Series
Availability: In Stock — Ready to Ship
Lighter to Push, Built for Everyday Independence
The ProActive Chariot IV K4 is a high-strength lightweight wheelchair built around an aluminum and carbon steel hybrid frame. By shedding weight compared to standard K1–K3 wheelchairs, it's genuinely easier to self-propel and easier for a caregiver to lift into a car for travel.
This configuration includes tool-free swing-away footrests, which unlock and pivot outward to clear the way for safe, standing entries and exits. Height-adjustable, flip-back desk arms let you roll flush to a table or desk, and a telescoping seat frame expands depth from 16" to 18" as needs change, without replacing the chair.
Key Features
- High-Strength Lightweight Frame: Aluminum and carbon steel hybrid construction reduces propulsion fatigue and caregiver lifting strain.
- Tool-Free Swing-Away Footrests: Unlock and pivot outward to open a clear front pathway for safe standing transfers.
- Height-Adjustable Flip-Back Arms: Desk-length armrests adjust vertically and flip back for zero-barrier side transfers.
- Telescoping Seat Depth: Expands from 16" to 18" on the fly as needs evolve.
- Flat-Free Tires: 24" composite mag wheels with solid urethane tires and 8" solid front casters for maintenance-free tracking.
- Standard Anti-Tippers: Adjustable rear stability wheels for confidence on inclines and thresholds.
- Breathable Flame-Retardant Nylon: Comfortable, durable upholstery that wipes clean easily.
Specialist Insight: The K4's aluminum-steel hybrid frame is the standout feature here — most wheelchairs in the K1–K3 category rely entirely on heavier carbon steel, which makes daily self-propulsion and vehicle loading more tiring over time. Pairing that lighter frame with a telescoping seat depth means the chair can still adapt to changing needs without requiring a full replacement, which is a genuine advantage over fixed-dimension lightweight models.
Technical Specifications
| Brand | ProActive Medical |
| HCPCS Code | K0004 (High-Strength Lightweight Wheelchair Frame) |
| Weight Capacity | 300 lbs (All Widths) |
| Seat Depth | Telescoping, 16" to 18" |
| Armrests | Height-Adjustable, Dual-Stage Flip-Back Desk Arms |
| Footrests | Tool-Free Swing-Away |
| Wheels & Casters | 24" Flat-Free Composite Mag Wheels | 8" Solid Front Casters |
| Upholstery | Lightweight, Flame-Retardant Breathable Black Nylon |
| Safety Features | Rear Frame-Mounted Adjustable Anti-Tippers (Standard) |
| FSA/HSA Eligible | Yes |
| Available Configurations | 16" Desk Arms (SKU WCK416AHDASF, UPC 5060488575563, 300 lbs); 18" Desk Arms (SKU WCK418AHDASF, UPC 5060488575587, 300 lbs); 20" Desk Arms (SKU WCK420AHDASF, UPC 5060488575600, 300 lbs) |
Frequently Asked Questions
Q: How does this lightweight frame compare to a standard wheelchair?
A: Standard manual wheelchairs are typically all carbon steel, making self-propulsion and trunk loading physically taxing. The Chariot IV's aluminum and steel hybrid frame sheds significant weight while retaining the structural rigidity needed for daily, multi-year use.
Q: What's the benefit of the telescoping seat depth?
A: Standard frames have fixed dimensions, so extra thigh support usually means a new chair. Built-in frame extensions here let a specialist expand seat depth from 16 to 18 inches, distributing weight over a larger surface to help prevent pressure points.
Q: How do the flip-back desk arms help with tables and transfers?
A: Fixed armrests can block the chair from rolling under a table. These shortened desk pads slide flush to work surfaces and adjust vertically for arm alignment, then unlock and swing fully back for lateral transfers.
Technical specifications are provided by the manufacturer and are subject to change. This description is for informational purposes only and is not a substitute for professional medical advice — please consult your physician or a qualified healthcare provider to determine if this product is appropriate for your needs.
⚠️ WARNING (California Proposition 65): This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.