The produ provide a rugged, portable, weighing system which can be used in many applications around the farm and factory. The beams are designed to maintain high level of accuracy while being used on both level and uneven ground. The weigh bars may be set any distance apart for weighing a wide range of commodities such as pallets and boxes of produce. When under a cattle crush or simple platform they are suitable for weighing all types of livestock including cattle, deer, horses, pigs and sheep