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Cat

20 photo(s) Updated on: 01/13/2021
  • Introduced by C. L. Best in 1921, nearly 25,000 Cat Thirty tractors were built through 1932.
  • The Cat 2-Ton was introduced by Holt to replace its T-35 in 1924, the year before Holt and C. L. Best merged to form Caterpillar Tractor. This example dates to 1926. It weighs just over 4,000 lbs.
  • This 1956 Cat D2 is equipped with a Cat straight dozer. It's rated at 38 horsepower, and 50" track gauge; the 4U series' tracks are 40 inches apart.
  • This 1940 Cat D4 crawler tractor sports a LaPlant-Choate hydraulic dozer.
  • This 1959 Cat D6 is one of the last 9U series built. The dozer could be raised or lowered by hydraulic cylinders, as shown here, or by cables from a winch on the front or back.
  • 1951 Cat D7 crawler tractor. The narrow, inside-mount dozer was specified by the U. S. Army to save space in shipping. It is also designed to push scrapers more efficiently during loading.
  • Caterpillar No. 33 Standard Frame pull grader.
  • This Cat No. 44 pull grader is a future restoration project. It was built between the mid 1930s and 1941, when Cat discontinued all of its pull graders.
  • This 1940 No. 12 grader is one of three machines in the Museum collection still being built today, albeit in much more modern form. Tens of thousands of No. 12s have been built worldwide.
  • 1964 Cat No. 12E motor grader with scarifier. The pole next to the seat is for an umbrella.
  • 1949 Cat DW10 tractor and 1950 No. 10 scraper. This outfit once belonged to late Museum volunteer Jack Campbell.
  • 1959 Cat DW20F tractor with No. 20 scraper. This tractor was equipped with a second seat by the donor, the Ohio Operating Engineers Apprenticeship Fund, for use in equipment operator training.
  • 1979 Cat 613B elevating scraper. Where a conventional scraper loads by forcing a cutting edge through the ground, an elevating scraper sweeps material into the bowl .
  • 1948 Cat D2 with Trackson T2 Traxcavator. Derived from a design that originated in the late 1920s, the bucket is raised and lowered by a winch above the engine. This design was discontinued in 1953.
  • 1947 Cat D4 with Trackson T4 Traxcavator.
  • 1953 Cat HT4 crawler loader. Designed by Trackson and built on a modified Cat D4, the HT4 was the first all-hydraulic crawler loader offered by Cat. Bucket capacity is 1.25 cubic yards.
  • 1963 Cat 944 wheel loader. Hydraulic cylinders under the boom (visible above the front tire) push and pull the top of the bucket by means of the linkages along the boom. (Ron Wozniak photo)
  • On a World War II surplus trailer for portability, this 1951 Cat D13000 diesel generator set provides electricity for the Museum's 1926 Marion Type 21 electric shovel.
  • Sidebooms were originally designed for laying pipe into trenches, and since the 1960s have also found work in clearing railroad wrecks. This one is on a rare 1939 Cat R4 gas-powred tractor.
  • Cat's wheel tractors, like this 1948 DW10, could be used to pull scrapers or wagons. This bottom dump wagon has been converted to a water sprinkler fur dust control.
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