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TDX SI Power Wheelchair


TDX SI Power Wheelchair
TDXSI named for its superior integration of key rehab features.

Product ID: TDXSI
HCPCS Code: K0848**

Starting At…$5,970.00*

Product Description

Named for its Superior Integration of key Rehab features, the TDX SI has a new suspension system called Simplified SureStep with Stability Assist, 2 Pole Motors with a top speed of 5 mph, 22NF batteries, and a compact vent option. The TDX SI is coded as a Medicare Group 3 power wheelchair and is offered with Rehab and Captains seating as well as Formula CG powered Tilt. The TDX SI is designed to accommodate less involved injuries and disabilities.


  • 2 Pole Motors
  • Simplified SureStep with Stability Assist
  • MK6i Electronics with MK660 Controller
  • 300 lb Weight Capacity


Seat Width:12″-22″ Rehab Seat
16″,18″,20″,22″ Van Semi Recline with Solid Base
Seat Depth:12″ – 22″ Rehab Seat
16″-18″ Van Seat on 16″ or 18″ wide
18″-20″ Van Seat on 20″ or 22″ wide
Back Height:12″ – 24″ Rehab Seat
38″ Van Seat w/o headrest
45″ Van Seat w/headrest
Seat To Floor Height:On ADJASBA seat:
Low 16.5″ @ 0 degrees
Medium 18.5″ @ 0 degrees
Tall 20.5″ @ 0 degrees.
Height at 5 degrees – add o.5″ to each
VAN seat to floor height: 21″ from top of seat to floor.
Overall Width:24″ with 22TRY Battery Tray
Overall Length:35.25″ (without front riggings)
Overall Height:35.5″ – 39.5″ Rehab Seat
38″ w/o Headrest SEMIRB
45″ w/Headrest SEMIRB
Wheel and Caster Size:Front and rear casters 6″ x 2″; Drive Wheel (flat-free) 14″ x 3″
Speed:5 MPH
Product Weight:264 lbs. (with batteries), 166 lbs. (without batteries)
Van Seat – 179 lbs without batteries and 277 lbs. with batteries
Battery:22NF (2 each)
Warranty:Base Frame: 5 years
Seat Frame: 3 years
Electrical Components: 1 year
Motors: 1 year
Batteries: 6 months
Remaining Components(except upholstered materials, padded materials, tires/wheels) 1 year.
NOTE: For more detail please refer to the full specifications brochure link above, or call Customer Service at (800) 333-6900. All specifications, prices, and product configurations are subject to change without notification. Accessories and seating products shown in the photographs are not necessarily included in the base price of wheelchair. Please refer to current price lists located at www.invacare.com.

* MSRP – Manufacturer’s Suggested Retail Price does not include optional equipment and accessories that may be available for this product.** This information is not intended to be, nor should it be considered billing or legal advice. Providers are responsible for determining the appropriate billing codes when submitting claims to the Medicare Program and should consult an attorney or other advisor to discuss specific situations in further detail.

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