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Adams THROUGH AUTOCAR

12 photo(s) Updated on: 01/07/2021
  • 1937 J. D. Adams 301 grader on International Harvester I-30 wheel tractor. Has long, low moldboard for light grading.
  • c. 1929 Adams Leaning Wheel No. 7 pull grader. The “Leaning Wheel” name alludes to the feature developed by J. D. Adams in 1885 to force the grader’s weight onto the blade, increasing its efficiency
  • J. D. Adams offered pull graders in several model series. The Square Deals, like this No. 20 (or 2C - the plate is damaged), combined the drawbar into the main frame.
  • Circa 1920 J. D. Adams Road Patrol No. 3 pull grader.
  • When it was introduced in 1947, the Allis-Chalmers HD19 was the world's largest and most powerful crawler tractor.
  • 1930s Allis-Chalmers Superior-McCully 10” gyratory crusher. Rock is dumped in the top, and the pulley in back drives a shaft that gyrates the core (whose top is visible) to crush the rock.
  • 1966 American Hoist & Derrick 4450 45-ton truck crane, donated and restored by the IUOE Local 18 Operating Engineers Apprenticeship.
  • 1966 American Hoist & Derrick 4450 45-ton truck crane, donated and restored by the IUOE Local 18 Operating Engineers Apprenticeship. (Photo by Ron Wozniak)
  • In the 1920s and early 1930s, motor graders were assembled by mounting a grader onto an industrial tractor chassis. This Austin grader is powered by a McCormick-Deering 1020 tractor.
  • c. 1920 Austin Standard pull grader. The teamster sits up front, and the blademan stands in back.
  • 1966 Austin-Western Super 300 motor grader. Its ancestor, the four-wheeled 99 introduced in 1938, was the world's first all-hydraulic, all-wheel-drive and all-wheel-steer motor grader.
  • 1958 Autocar DC75 truck tractor
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