Draft arm extension stop

An extendible lower draft arm of a three-point hitch on a tractor comprising, a hollow member adapted for universal connection to a tractor, an extension link slidably mounted in said hollow member, hook means formed on the forward end of said extension link, a latch on said hollow member for engaging said hook means when said draft arm is in the contracted position, an abutment formed on the inner portion of said hollow member axially aligned with said latch for engaging said hook means in an extended position of said lower draft arm, said extension link defining a sufficient thickness to hold said hook means in an engaging position with said latch when said extension link is in the contracted position of said hollow member, relief means on said hook means permitting insertion of said extension link in said hollow member by clearing said abutment when said extension link is angularly inclined relative to said hollow member, said hollow member thereby permitting said extension link to telescope within said hollow member to engage said latch on said lower draft arm in the normally contracted position.