The present disclosure provides an I-beam assembly for being mounted to an upper frame of an excavator. The I-beam assembly includes an elongated body having a proximal end, a distal end, a top surface, and a bottom surface. The elongated body includes a first plate, a second plate, and a third plate. The first plate is disposed at the proximal end and defines a pivot axis. The second plate is coupled to the first plate. The third plate is disposed at the distal end and is coupled to the second plate. The elongated body includes a first height and a second height, the first height defined between"the top surface and the bottom surface at the distal end thereof and the second height defined between the bottom surface and the pivot axis. The ratio of the first height to the second height is between about 0.5 and 1.0.
