Post Hole Digger Driveline Assembly, size 2. Driveline minimum C-to-C is 44" (1120 mm), maximum C-to-C length is 67" (1700mm), total collapsed length is 52" (1320 mm). Tractor ends: 1-3/8" 6 Spline and implement ends are 1-1/4" round bore with 3/8" pin hole. Driveline rated as category 2 (20 hp). Fits Bush Hog, Land Pride, and Rhino Post Hole Diggers.