John Deere Original Equipment V-Belt – TCU26905 Belt Section; HB Effective Length: 4,319.700 MM Width: 16.000 MM Thickness: 17.200 MM Angle: 32 Material Spec: ARAMID Fits a John Deere Z520A. This is an OEM John Deere Part. John Deere Original Equipment V-Belt #TCU26905 ; V-Belt – BELT, MOWER DECK DRIVE (54) Belt Section; HB Effective Length: 4,319.700 MM Width: 16.000 MM Thickness: 17.200 MM Angle: 32 Material Spec: ARAMID Fits a John Deere Z520A.