Established 1997


ProBasics K4 Transformer Wheelchair

item #: 35937

sku : WCT41616DS

brand : ProBasics


ProBasics K4 Transformer Wheelchair

List price: $457.43

Leaves Warehouse in 1-2 days

Quick Overview

  • The large 24" wheels are easily removed and wheelchair becomes a transport chair
  • Two chairs in one
  • Wheelchair transforms to transport chair
  • Wheels pop off! No tools required


The K4 Transformer Transport Chair from Probasics is engineered to function as both a transport and manual wheelchair.

The Transformer is a lightweight, durable transport chair that also comes with a set of 24" quick-release rear wheels with composite handrims, allowing the user to get around on their own when/if the need arises.

The chair also features 8" full swivel front casters mounted on aluminum forks. In addition, the chair comes standard with desk-length flip-back arms as well as composite footrests with heel loops and detachable flip-up rear anti-tippers. It folds easily for convenient storage, making travel with the item a snap. The Transformer has a weight capacity of 250 lbs. and is backed by a lifetime limited warranty.


  • Desk-length flip-back arms with padded armrests
  • Lightweight aluminum frame, just 31.8 lbs.
  • 8” full swivel front casters mounted on aluminum forks
  • 24” quick release rear wheels with composite handrims
  • Bolted on 8” transport chair rear wheels
  • Lightweight black, woven nylon upholstery
  • Fold down back with easy release paddles
  • Complete with 2 sets of lightweight aluminum wheel locks for both 24” and 8” rear wheel modes
  • Durable blue epoxy frame finish
  • Detachable flip-up rear anti-tippers
  • Accessory pouch sewn into back
  • Composite footrests with heel loops
  • Folds for easy storage
  • Free Shipping


Weight Capacity 250 lbs.
Product Weight 31.8 lbs. - 33.8 lbs.
Weight Without Wheels 21.6 lbs. - 23.8 lbs.
Seat Width 16" - 20"
Seat Depth 16"
Seat-to-Floor Height 17", 20"
Overall Width 18" - 29"
Overall Length 28", 32"
Overall Height 37"
Folded Width 10", 12"
Frame Color Black
Front Wheel Size 8"
Rear Wheel Size 24"
Axle Type Quick Release
Armrests Desk-Length
Back Height 16"
Upholstery Type Nylon
Upholstery Color Black
Footrests Swingaway
HCPCS K0004, K0195
Warranty on Frame Lifetime Limited
Warranty on Wearable Parts One Year Limited
Shipping Weight 35 lbs. - 37 lbs.
Box Length 33"
Box Width 13"
Box Height 37"

Customer Reviews

Configure your ProBasics K4 Transformer Wheelchair

Clear All

Need Assistance? Call Us At



Return Policy

If you are not 100% satisfied with your product, we offer a full refund (on most products, see below).
To qualify for a return please note the following:

  • Product must be clean, unused and in its original packaging.
  • Return shipping costs are the responsibility of the customer
  • Items must be returned within 30 days

You must have a return authorization number to qualify for a return:
Please call us at 1-800-320-7140 Monday - Friday 9am to 5pm EST to obtain a return authorization number and a return address. Returns may not be sent to our corporate address

Full Refund

We offer full refund on all:
  • Transport chairs
  • Standard manual wheelchairs
  • Light weight manual wheelchairs
  • Folding ultralightweight wheelchairs* (except for the 9000, etc)
  • Recliner wheelchairs
  • Heavy duty transport wheelchairs
  • Walkers
  • Rollators
  • Wheelchair accessories (bags, ramps & attachments)

10% Restocking Fee

There is a 10% restocking fee on all:
  • Electric Wheelchairs
  • Electric Scooters
  • Heavy duty wheelchairs
  • Volume sales
  • Karman products

15% Restocking Fee

There is a 15% restocking fee on all:
  • Lift chairs
  • Patient Lifts

Sorry, No Returns

We cannot accept returns on all:
  • Hospital beds
  • Mattresses
  • Ultra lightweight ridged frame wheelchairs
  • Custom wheelchairs
  • Court wheelchairs
  • Sport wheelchairs
  • Built to order items
  • Wound care
  • Wheelchair scales
  • Wheelchair Cushions
  • Back Cushions
  • Tempur-Pedic cushions
  • Invacare 9000 series reclining wheelchairs
  • Incontinence Products
  • Nutritionals
  • Bath Safety products
  • Adaptive Strollers
  • Harmar Products

Open Box Specials

  • Open Box Specials are new products that were ordered incorrectly or may have slight imperfections. These Specials are non-returnable and do not include any in-home service.

Refused Deliveries/Packages

  • If packages are refused at the point of delivery, you will be responsible for the return shipping.