375-16 UNC-2B Thread in End. Output Shaft Size: 1-1/4 in 14T Spline. Case drain: 7/16-20 UNF-2B O-ring port size 4.
Mounting Type: Standard, 2 Bolt; 82.6 [3.25] Pilot Dia. Holes on 106.4 [4.19] DIA.