The perfect heavy duty PTO adapter for your Shop Dog. This is a small 1000 (1-3/8" 21 spline) to big 1000 (1-3/4" 20 spline) PTO adapter. This adapter can be conveniently carried in The Shop Dog's pto and hitch pin carrier.
 
Not only is this a great PTO adapter for The Shop Dog, it can also be used on tractors up to 150 HP.
 
This PTO adapter is 7-5/8" in total length.