This is a A-R524005 Belt, Viscous Fan Drive PN: R524005Main Description As Following : A-R524005 Belt, Viscous Fan Drive PN: R524005 Found in Section & Models : Belts > Belts: Alt, Fan, Steering, Water Pump, John Deere TRACTOR: 6100E, John Deere TRACTOR: 6115E, John Deere TRACTOR: 6130E Associated Items : New Also This is An Aftermarket Product And : 61" 8 Rib K-Poly