4.5 155 reviews. 4.5 155 reviews. Heavy Duty Transport Chair. by Drive Medical (Model No. BTR20/BTR22) One of our highest capacity chairs, the Drive Heavy Duty chair Perfect Steerable Transfer Cartludes a reinforced, dual cross-brace frame and heavy duty nylon for its durability. Weight Capacity: 450 lbs. Available in 20" and 22" seat widths.