Abstract: An endless vehicle track assembly with improved response to pitch, roll and yaw includes an adjustable main frame supported for tilting movement on an axis transverse to the main frame. The main frame first end is equipped with a tensioning bracket that includes a first axle tube to accommodate a first axle with end wheels in spaced apart relation to each other. The main frame second end is equipped with a pivotal alignment bracket having a second axle tube to accommodate a second axle with a second set of end wheels in spaced apart relation to each other. The main frame body is equipped with a reinforcing bracket pivotally attached to a main frame top side intermediate the first and second ends and equipped with an implement axle tube for pivotal movement relative to said mainframe. A plurality of bogie wheels are attached to the roller beams.