Invacare TDX SP with electric tilt power chair. New parts, works 100%. Base width: 24.5" narrow, 25.5" wide base length: 35.25" turning radius: Minimum base turning radius: 20.5" speed: Less than 6.0 mph range: Approximately 18.4 miles product weight: Product weight with batteries: Up to 399 lb., narrow product weight with batteries: Up to 434 lb., wide product weight capacity: 300 lb.