This is a A-56417DA Gear, 3rd & 4th Speed PN: 56417DAMain Description As Following : A-56417DA Gear, 3rd & 4th Speed P.N: 56417DA Will work For # 48417D. Not Low, Lowspeed, or 7 MPH speed attachment.Teeth: 31 & 35 Crossed From: AM56417DA , Found in Section & Models : Transmission & Rear Axle > Trans: Forks, Gears, Shafts, Case-IH TRACTOR: H, Case-IH TRACTOR: HV Associated Items : New Also A-FRM-IHOL, A-IH-C-DOMGENCAT, A-IH-C-HMMD, A-IH-C-MUSCLES, A-IH-C-1936FULL, A-IH-O-BHIMPL, A-IH-O-H, A-IH-O-HLDRBLD, A-IH-O-HMATTCH, A-IH-O-HYDRLIFT, A-IH-O-H1948, A-IH-O-STANDLITES, A-IH-O-TRACATCH, A-IH-P-ABHMIM, A-IH-P-ACCESSORY, A-IH-P-HAYMAHNS, A-IH-P-HHV, A-IH-S-BRAKEREP, A-IH-S-CARBSPEC, A-IH-S-CLUTCH And : Will work For # 48417D. Not Low, Lowspeed, or 7 MPH speed attachment. Teeth: 31 & 35