
Invacare®TDX®SI HD Wheelchair
TDX Performance
in a Consumer
Power Package

Invacare®TDX®SI HD Power Wheelchair
The TDX®SI Heavy-Duty (HD) is the first TDX®power wheelchair
ever introduced for the Group 2 consumer. Built off the proven TDX
platform, it delivers legendary TDX®power and performance, making it ideal for meeting
the driving needs of consumers up to 450 lb. Center-wheel drive and a narrow footprint
provide exceptional indoor maneuverability, while itsbrightly paintedframe and integrated
rearsuspension combinefor a simple yet elegant design. The end result is an eye-catching
power wheelchair with a go-anywhere attitude.
®
SP
• Comfort
➤
Invacare
Available with van seat, van seat
with solid seat pan, or rehab
eating, up to 24" wide.
s
hoto: Rehab seat
p
®
TDX
®
SI HD Power Wheelchair
➤
• Electronics
MK6i™90 amp controller with
™
SPJ+
joystick is ideal for
handling large electrical loads.
• Stability
➤
SureStep®with Stability Assist
climbs 2" with ease while maintaining six wheels on the ground.
• Performance
➤
Powerful 4-pole, 650 watt
motors provide high torque and
a 5 MPH top speed while 14"
drive wheels provide ideal
traction for users up to 450 lb.
➤
• Maneuverability
Center-wheel drive and narrow
base combine for tight turning
radius and easy access through
doors and hallways.

Invacare®TDX®SI HD Power Wheelchair
TDX Performance
in a Consumer
Power Package
• Rear Suspension
Integrated rear suspension
rovides a non-jarring,
p
smooth ride when
tackling rough terrain
r thresholds.
o
• Serviceability
emovable battery access
R
door with slide-out battery
tray makes servicing a snap.
• Transportability
Transportbrackets are availablefor
securement of an unoccupied
wheelchair in vehicles.
The brackets are the “TRBKTS”
option,whichdoses not have a
pelvicbelt and has not been crash
testedin accordancewith WC/19 or
any other standard.
➤
➤
➤
Invacare
®
TDX
®
SI HD Power Wheelchair
Available Colors
•
Electric Blue
Electric Red
Models
The TDX-SI HD is availablein both Standard Configurations and Custom Configurations.
Standard Configurations: Pre-configured with the most popular options. Just select the
seat size and frame color.
3GRX ............................ Heavy Duty Weight Limit
3GRX-CG ...................... Multiple Power Heavy-Duty Weight Limit
CustomConfigurations:For those who need ASBA rehabseating, extra wide seating,
or other more customizable features.
Model No. Code Seating Config. Type
TDXSIV-HD-S K0825 Van Seat Standard
TDXSI-HD-S K0824 Van w/ Solid Seat Pan Standard
TDXSIV-HD K0825 Van Seat Custom
TDXSI-HD K0824 Rehab Custom
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➤
5

Invacare®TDX®SI HD Wheelchair
TDX®SI HD Specifications
Van Seat Van Seat w/ Solid Seat Pan ASBA Rehab Seat
Performance specs
Weight capacity 450 lb. 450 lb. 450 lb.
Maximum speed 5 MPH 5 MPH 5 MPH
Incline capability 9˚ 9˚ 9˚
Per-charge range Up to 13 mi. Up to 13 mi. Up to 13 mi.
Turning radius 23" 23" 23"
Ground clearance 3" 3" 3"
Motor package 4-pole, 650 watt 4-pole, 650 watt 4-pole, 650 watt
Electronics MK690 Amp /SPJ+ MK690 Amp /SPJ+ MK690 Amp /SPJ+
Overall Dimensions
Base length (w/o front riggings) 35" 35" 35"
Base length (w/ front riggings) 38.5" 38.5" 38.5"
Base width (w/o seat and joystick) 24" 24" 24"
Base width (incl. seat, arms, and joystick) Seat width + 6" Seat width + 6" Seat width + 6"
Height 38" 38" 35.5" - 39.5"
Invacare
®
TDX
®
SI HD Wheelchair
with headrest 45" - 47" 45" - 47" -
Seat Dimensions
Width 18" - 24" 18" - 22" 18" - 24"
Depth 16" - 22" 16" - 20" 16" - 22"
Back height 18" 18" 16" - 24"
with headrest 25" - 27" 25" - 27" -
Back angle 85˚ - 115˚ 85˚ - 115˚ 85˚ - 105˚
Seat-to-floor height
Low 21" 21" 16.5" @ 0˚
Medium N/A N/A 18.5" @ 0˚
Tall N/A N/A 20.5" @ 0˚
Seat-to-floor height at 5˚ N/A N/A add 0.5" to each
Weight
With batteries 267 lb. 267 lb. 254 lb.
Without batteries 191 lb. 191 lb. 178 lb.
With transport brackets Add 10 lb. Add 10 lb. Add 10 lb.
Battery options 22NF 22NF 22NF
Wheel and caster size
Drive wheels 14" x 3" foam filled 14" x 3" foam filled 14" x 3" foam filled
Front/rear casters 6" x 2" 6" x 2" 6" x 2"
Limited warranties
Base frame 60 months 60 months 60 months
Seat frame 36 months 36 months 36 months
Electronics 12 months 12 months 12 months
Motor/gearbox 12 months 12 months 12 months
Invacare Corporation
www.invacare.com
USA
One Invacare Way
Elyria, Ohio
44035-4190
(800) 333-6900
Canada
570 Matheson Blvd. E.,
Unit 8
Mississauga, Ontario
L4Z 4G4 Canada
(800) 668-5324
© 2008
Invacare Corporation
All rights reserved.
Trademarks are
identified by the
symbols ™ and ®. All
trademarks are owned
by or licensed to
Invacare Corporation
unlessotherwise noted.
Specificationsare
subject to
changewithout
notification.
Form No. 08-060