A universal heavy-duty bumper and mounting system is provided which is adapted to be attached to a HMMWV H1 A1 or A2 configured vehicle. The system includes a rightside and leftside universal mounting bracket and a bumper adapted to be received and attached by the bumper brackets such that the bumper transversely spans both brackets in a perpendicular orientation. The system may further include a couple pairs of heavy-duty universal swivel attachment brackets for receiving accessories, each adapted to be mounted on a front fascia plate of the bumper. The system may further include an upright main support bar disposed within a gap defined by each pair of swivel attachment brackets, wherein each support bar is adapted to rotate from an upright position to a lowered position. The bumper includes a planar main fascia plate having a perimeter shape defined by a generally straight upper side, a tiered lower side, a pair of generally straight side edges interconnecting the upper and lower sides, and a planar side edge connected to and surrounding the perimeter of main fascia plate.