100 Series Driveline Assembly. Driveline minimum C-to-C is 41" (1041 mm), maximum C-to-C length is 62" (1560 mm), total collapsed length is 48" (1210 mm). Tractor end: 1-3/8" 6 Spline, Implement end: 1-1/2" round bore with 3/8" keyway. Rated as a category 4 (64 hp), size 6. Fits Bondioli & Pavesi models.