Models View all All Terrain 4x4 Articulating Wheel Chair Assembly 104 959 8 Hand Cycle Tracked Wheelchair 67 449 4 6x6 Wheelchair 58 509 3 All-Terrain Tracked Wheelchair (Planetary Hub Gear Reduction) 48 549 2 Kirkey 18" Containment Racing Seat PN# 88185 47 662 0 All Terrain Skate Boot Concept Single Wheel 46 300 2