This is a A-70253187 Trans Disc: 9", 4-button, spring loaded PN: 70253187Main Description As Following : A-70253187 Trans Disc: 9", 4-button, spring loaded P.N: 70253187 Spline Count: 10Spline Diameter: 1.125" Replaces: 70253187-R4B ALLIS CHALMERS , 70253187-R6B ALLIS CHALMERS , 70253187V ALLIS CHALMERS , Crossed From: D253187 HDNEW , , SW00239 , , SW00240 , Found in Section & Models : Clutch Parts > Single Clutch, Allis-Chalmers CRAWLER: HD3 (10 Spline Hub), Allis-Chalmers CRAWLER: HD4, Allis-Chalmers CRAWLER: H3 (10 Spline Hub), Allis-Chalmers TRACTOR: B (Heavy Duty), Allis-Chalmers TRACTOR: C (Heavy Duty), Allis-Chalmers TRACTOR: CA (Heavy Duty), Allis-Chalmers TRACTOR: D10 (S/N <3501), Allis-Chalmers TRACTOR: D12 (S/N <3001), Allis-Chalmers TRACTOR: D14 (Heavy Duty & Shuttle), Allis-Chalmers TRACTOR: D15 (Heavy Duty) Associated Items : New Also A-AC-O-H3HD3, A-AC-O-962, A-AC-P-H3HD3, A-AC-S-FUELINJ, A-AC-S-H3HD3, A-AC-S-I400BKH, A-AC-S-403WINCH, A-AC-O-HD4, A-AC-O-H4HD4, A-AC-P-H4HD4, A-AC-P-H4HD4L, A-AC-S-H4HD4, A-AC-S-I-64, A-AC-S-I600BKH, A-AC-S-403WINCH, A-AC-O-H3HD3, A-AC-O-H3LS, A-AC-O-962, A-AC-P-H3FTELDR, A-AC-P-H3HD3 And : Spline Count: 10 Spline Diameter: 1.125"