The government requires a 4 Degree Trailer Company P/N 12600 (or equivalent) wing jack trailer to support Aerospace Ground Equipment (AGE) operations by providing a safe, efficient, and expedited meth... The government requires a 4 Degree Trailer Company P/N 12600 (or equivalent) wing jack trailer to support Aerospace Ground Equipment (AGE) operations by providing a safe, efficient, and expedited method for loading, unloading, and transporting up to four 30-ton wing jacks or other related equipment IAW with attached Salient Characteristics.