This is a A-B1CO86 WHEEL-SMOOTH, 9X3.5X4, SOLID, ORANGE PN: B1CO86Main Description As Following : A-B1CO86 WHEEL-SMOOTH, 9X3.5X4, SOLID, ORANGE P.N: B1CO86 Caster WheelBearing Type: RollerCenter Hole: 5/8"Hub: 4", Centered Hub TypeReplaces: 76543-42230, 76543-42240, K5651-42240Style: Caster WheelTread Pattern: SmoothWheel Color: Orange Crossed From: 175-600 STENS , 175-733 STENS , 175600 STENS , 175733 STENS , 45205 ARIENS / GRAVELY , 70000-73667 KUBOTA , 7000073667 KUBOTA , 72-707 OREGON , 72707 OREGON , 8580 ROTARY , 8586 ROTARY Found in Section & Models : Sunbelt - Tires > Wheel Assemblies (OEM), Kubota MOWER DECK: RCK60-F30, Kubota MOWER DECK: RCK60-F36, Kubota MOWER DECK: RCK72-F36, Kubota MOWER DECK: RC54-FZ21, Kubota MOWER DECK: RC60-FZ21, Kubota MOWER DECK: RC60-F20, Kubota MOWER DECK: RC60-F24, Kubota MOWER DECK: RC72-FZ21, Kubota MOWER DECK: RC72-F20, Kubota MOWER DECK: RC72-F24, Kubota MOWER DECK: RC72-F30, Kubota MOWER, FRONT MOUNT: FZ2100 (with RC54-FZ21, RC60-FZ21, RC72-FZ21 mower), Kubota MOWER, FRONT MOUNT: FZ2400 (with RC54-FZ21, RC60-FZ21, RC72-FZ21 mower), Kubota MOWER, FRONT MOUNT: F2000 (with RC72-F20 s/n 20001->, RC72-F30 <-11432 mo, Kubota MOWER, FRONT MOUNT: F2100 (with RC60-F20/24, RC72-F20/24, RC72-F24/30 mo, Kubota MOWER, FRONT MOUNT: F2260 (with RCK60-F30, RC72-F30 mower), Kubota MOWER, FRONT MOUNT: F2400 (with RC60-F20/24, RC72-F20/24, RC72-F24/30 mo, Kubota MOWER, FRONT MOUNT: F2560 (with RCK60-F30, RC72-F30 mower), Kubota MOWER, FRONT MOUNT: F2880 (with RCK60-F36, RCK72-F36 mower), Kubota MOWER, FRONT MOUNT: F3060 (with RCK60-F30, RC72-F30 mower) Associated Items : New Also This is An Aftermarket Product And : Caster Wheel Bearing Type: Roller Center Hole: 5/8" Hub: 4", Centered Hub Type Replaces: 76543-42240, K5651-42240 Style: Caster Wheel Tread Pattern: Smooth Wheel Color: Orange