Patent ID: 7287363

Claim:
An apparatus comprising: a chassis having a front end, a rear end, a left rail, a right rail, a pair of non-driven front wheels and a pair of front axles independently mounted at the front end and having a track width, and a pair of rear wheels driven by a power supply at least partially behind the pair of rear wheels, the pair of rear wheels mounted adjacent the rear end and having a track width greater than that of the pair of front wheels; an operator module mounted on the chassis in front of the power supply, at least a portion of the left rail and right rail extending from under the operator module to define an uncovered area in front of the operator module between the left rail and right rail; a first row of two cutting units in front of the pair of front axles and mounted to horizontally extending lift arms; and a second row of three cutting units behind the pair of front axles and in front of the operator module and power supply, a center cutting unit in the second row having a width less than the distance between the left rail and the right rail; the other two cutting units in the second row mounted to horizontally extending lift arms that pivot to lift and rotate the two cutting units to a full vertical transport position inside the track width of the pair of rear wheels.