Dedication Year: 1982
Location: Haggin Museum, Stockton, CA
Plaque Wording: The First Successful Track-Type Tractor Developed by Benjamin Holt at Stockton, California in 1904, an Important Milestone in Agricultural Efficiency, Which Opened New Land to Cultivation,and Which Later Revolutionized Earth Moving and Military Vehicles is Designated an Historic Landmark of Agricultural Engineering by the American Society of Agricultural Engineers 1982