Subtopic: Hitch systems and hitching of tillage implements
Question Statement:
In a tractor three-point hitch system, the virtual hitch point (center of pull) in the vertical plane for a free-link implement is located at the intersection of:
Options:
(A) The extended centerlines of the two lower links
(B) The extended centerline of the top link and the projection of the lower links
(C) The tractor rear axle centerline and ground surface
(D) The PTO shaft centerline and implement mast
Answer Key:
B
Step-by-Step Solution & Explanation
In a free-link three-point hitch system, the virtual hitch point in the vertical plane is the point where the extended centerline of the top link intersects the line of action (projection) of the lower links.