New 6 blade fan has a 15" diameter, 1.25" pilot hole, and mounting holes on 1.5" center.This fanfits multiple Kubota Tractor models. OEM Cross Reference 1572574110 Fits models: Kubota TRACTOR: M5950, Kubota TRACTOR: M5950-S, Kubota TRACTOR: M6030, Kubota TRACTOR: M7030, Kubota TRACTOR: M7030SU, Kubota TRACTOR: M7500, Kubota TRACTOR: M8030