No sure of the brand but this thing is Heavy Duty. Alot of 1 inch iron, 4 and 4.5 inch cylinders, the home built tractor frame is 3/4 x 12" plate, 2x4 and 2x6 solid tubing not hollow. 4x6x1/2 upright square tibing. Boom is 13.3 ft long pin to pin, inside width of boom is 41", 8 feet from the rear to the first cross tube, inside the tractor frame is 28". 7.4 tall at the rear as it sits on the ground. 3 function spood valve. 308nine nine nine9797 OBO