Specifications include, but are not limited to: A heavy-duty, 10-foot general purpose snowplow with power reversible moldboard for use in all types of snowplowing conditions where the removal of snow from road surfaces must be accomplished with right or left hand discharge at speeds up to 20 mph. The snowplow shall be equipped with a cannon or extension spring type trip assembly that will enable the moldboard to pass over a fixed object and automatically and immediately return to the plowing position without loss of vehicle control. The snowplow will be installed on a TxDOT medium duty truck having a front gross axle weight rating (GAWR) of 12,000 pounds. The approximate weight of the moldboard furnished to this specification shall be between 1,800 to 2,100 pounds (less hitch and hydraulics) and meet or exceed all requirements.