A professional who drives truck or tractor with trailer attached to gather and transport harvested crop in field. Respnsibilities include:

• Hauls trailer alongside crew loading crop or adjacent to harvesting machine and regulates speed to keep abreast of crew.
• Hauls loaded trailers from field to highway or packing shed, uncouples trailer, couples empty trailer to tractor and returns to field.
• May haul crop over public roads to storage shed or processing plant.