TDX SP2 Heavy-Duty Power Wheelchair w/ Captain Seat

Invacare
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Engineered for heavy-duty performance and exceptional comfort, the Invacare TDX SP2 HD with Captain's Seating offers advanced mobility features in a sleek, customizable frame. Powered by LiNX® electronics, it delivers smooth drive control, intuitive remote options and wireless diagnostics. Choose between a plush captain’s seat for adjustable comfort or a solid-seat pan for secure, stable support. Features like True Center Wheel Drive, SureStep® Suspension and optional 10″ power elevation make navigating indoor and outdoor terrain effortless. With vibrant shroud color options and a 450 lb. weight capacity, this chair combines durability, style and precision control for users who demand more from every ride.
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Invacare TDX SP2 HD Power Wheelchair w/ Captain's Seat: Advanced Comfort and Control

Elevate your mobility with this heavy-duty mid-wheel-drive machine that blends rugged stability, modern styling and cutting-edge electronics. Two robust HD variants let you choose between a plush captain’s seat or a rigid solid-seat pan — both featuring optional 10″ of power elevation, best-in-class suspension and Invacare’s intuitive LiNX® control system.

Key Features:

  • True Center Wheel Drive delivers the tightest turning radius for navigating tight spaces
  • Powerful performance offering 5.8 mph speed and up to 20-mile range per charge
  • SureStep® Suspension plus Stability Lock keep all six wheels grounded over curbs and obstacles
  • LiNX® electronic platform with live wireless programming and choice of touchscreen or programmable remotes
  • DuraWatt™ 4-pole Motors engineered for quiet operation and resistance to water ingress
  • G-Trac™ Technology minimizes corrective steering, reducing fatigue on slopes, carpets and uneven terrain
  • 10″ HD power seat elevation (optional) for seamless transfers and improved sightlines
  • Personalize your style with a choice of 7 shroud & 11 rim insert color options

Seating Options:

Captain's Seat (TDXSP2V-HD) prioritizes adjustable comfort and dynamic positioning, making it ideal for users who spend many hours seated or require head and trunk support

Solid-Seat Pan (TDXSP2V-HD-SEMIRB) offers a stable, uniform surface ideal for bariatric and heavy-duty scenarios, where a firm foundation and straightforward setup are paramount

True Center Wheel Drive

Center Wheel Drive positions the main drive wheel directly beneath you, delivering unparalleled maneuverability and control in any environment. The balanced weight distribution and compact footprint mean effortless pivot turns and a confident indoor and outdoor drive.

Tightest Turning Radius: Achieve a 20″ base turning circle for navigating narrow hallways and crowded spaces

Effortless Spins & Pivots: Single-point drive axis lets you rotate on the spot with minimal effort

Balanced Traction: Even weight over the center wheel improves traction on ramps, inclines and uneven terrain

Smooth Transitions: Reduced “bump steer” when crossing thresholds or door jambs keeps you on course

 

Diagram of a TDX SP2 HD Captain's Seat wheelchair, illustrating its True Center Wheel Drive turning radius compared to front and rear-wheel drive models.

Side-by-side comparison of an Invacare power wheelchair showcasing SureStep® suspension and stability lock over a raised surface.  

SureStep Suspension & Stability Lock

SureStep Suspension and Stability Lock work in tandem to keep every journey safe and comfortable, even when you encounter curbs or rough terrain. By maintaining six-wheel ground contact and locking out unwanted forward tip, this system delivers a smooth ride and added peace of mind.

Level Seating Over Obstacles: Suspension keeps the seat plane close to level when climbing or descending curbs

Constant Six-Wheel Contact: Four shocks absorb uneven ground while casters stay engaged for maximum stability

Automatic Anti-Tip Locking: One-way, gas-filled cylinders activate if rear casters lift, preventing forward lurches

Enhanced Comfort and Confidence: Minimized jolts and tipping risk reduce vibration and help you focus on the road ahead

Enhanced LiNX® Electronic Platform

Harness the power of Invacare’s next-generation LiNX® system to make every trip smarter, more adaptable and easier to manage. From live diagnostics to seamless device pairing, you’re always in control of your ride’s performance and features.

Variety of control interfaces: Choose from touchscreen joysticks, drive-only remotes, power-positioning remotes and full-feature lighting remotes—each designed with ergonomic low-force operation, large on/off buttons, physical speed dials and clear status displays

Bluetooth & Pointer Mode: Turn your joystick into a wireless mouse for smartphones, tablets or PCs, unlocking environmental controls and beyond

Over-the-Air Updates & Remote Tuning: Connect via iOS, Windows tablet or PC to fine-tune drive profiles, recalibrate actuators and install firmware upgrades—no cables required

 

Close-up of a REM400 power wheelchair joystick control panel with a digital display showing driving settings and battery level.

Diagram of Invacare’s G-TRAC technology, highlighting power distribution for stability on rough terrains in an electric wheelchair.  

G-Trac® Precision Tracking

Keep your chair moving exactly where you intend, even on uneven terrain or steep inclines. G-Trac’s gyroscopic path-correction technology automatically compensates for drift, reducing the physical effort needed to stay on course.

Active Course Correction: Embedded sensors sense deviations in real time and apply micro-adjustments to keep you centered

Reduced Operator Fatigue: By minimizing manual steering corrections, G-Trac helps prevent wrist and arm strain during extended drives

Enhanced Control & Safety: Reliable, straight-line tracking boosts confidence in crowded spaces and challenging environments

Accessories & Customization

✔ Cane/crutch holder, walker holder, oxygen tank bracket
✔ Optional LED lights, hazard and turn-signal controls
✔ 7 accent-shroud colors: Obsidian Black, Ruby Red, Peacock Blue, Purple Passion, Denim Navy, Lime Twist and Arctic Blue
✔ Standard transport brackets for secure, unoccupied transport

Specifications:

 

Captain Seat (TDXSP2V-HD)

Solid Seat Pan (TDXSP2V-HD-SEMIRB)

HCPCS Code: K0851 K0850
Drive Base: Mid-Wheel Drive Mid-Wheel Drive
Base Dimensions: 25.5"W x 35.6"L 25.5"W x 35.6"L
Seat Widths: 19", 20" or 22" 17.7", 18.5" or 20.5"
Seat Depths: 16" - 21" 16" - 21"
Seat-to-Floor Heights (Non-Elevate Seats): 20.75", 21.75", 22.5" or 23.5" 17", 18", 18.75" or 19.75"
Seat-to-Floor Heights (Elevate Seats): 22.5", 23.5", 24.25" or 25.25" 18.75", 19.75", 20.5" or 21.5"
Seat Recline Range: Up to 35° (Standard) Up to 35° (Optional)
Drive Wheels: 14" x 3" 14" x 3"
Ground Clearance: > 2.5" > 2.5"
Turning Radius: 20" 20"
Incline:
Maximum Speed: 5.8 mph 5.8 mph
Total Weight: Up to 400 lbs. Up to 400 lbs.
Weight Capacity: 450 lbs. 450 lbs.
Motor: DuraWatt™ 4-Pole Sealed Housing DuraWatt™ 4-Pole Sealed Housing
Battery: Group 24 Gel Batteries (x2) Group 24 Gel Batteries (x2)

Ordering & Support

Call to Order: 888.550.7750

Visit: aracent.com

Contact Aracent Healthcare's sales team about the TDX SP2 HD Captain Seat Power Wheelchair today!

RETURN & CANCELLATION POLICY:

  • This is a custom, built-to-order product and is NON-RETURNABLE
  • Order cancellations are not guaranteed but may be possible depending on the stage of the production lifecycle. Please contact Aracent Healthcare immediately to request cancellation, and we'll try our best to accommodate
  • For complete terms and conditions, please review our full Return & Cancellation policy

WARRANTY INFORMATION:

  • 1 Year: Base, Seat Frame, Electronics & Motors
  • 6 Months: Batteries
  • Applicable to original purchaser only. Any abuse or intentional misuse of the product will void the warranty
  • For full details, please review our Product Warranty page

DOCUMENTATION & LITERATURE: