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  • All fields: crawler
(58 results)



Display: 20

    • Allis-Chalmers HD5B & HD19

    • Allis-Chalmers HD5B & HD19

    • Farm tractors; Allis-Chalmers tractors; Allis-Chalmers Manufacturing Company; Crawler tractors

    • "Arrival of Allis-Chalmers HD5B & HD19." Side view of Allis-Chalmers crawlers on a flatbed railcar. The rail line delivered coal to the Power Plant on the East Campus and tractor to the Lab.
    • Larsen Tractor Museum Collection
    • Allis-Chalmers crawlers

    • Allis-Chalmers crawlers

    • Farm tractors; Tractors; Allis-Chalmers tractors; Allis-Chalmers Manufacturing Company; Crawler tractors

    • "1940. Tractors arriving for test" Unloading tractors for tests 360, 361, and 362. Allis-Chalmers crawlers HD-7W, HD-10W, and HD-14 are being driven down a wooden ramp as they are unloaded from a box car on a special railroad siding.
    • Larsen Tractor Museum Collection
    • Hydraulic cylinder

    • Hydraulic cylinder

    • Tractors--Testing; Equipment; Sulek, John; Steinbruegge, George; Hurlbut, L.W.; Larsen, Lester F., 1908-2000

    • "L.F. Larsen explaining to the Tractor Test Board (John Sulek. Geo. Steinbruegge. L.W. Hurlbut, chair} the 30 square inch hydraulic cylinder used for larger crawler tractors." Whenthe pull was too highrfor this cylinder, a mechanical arrangement...
    • Larsen Tractor Museum Collection
    • Crawler tractor

    • Crawler tractor

    • Farm tractors--Testing; Tractors--Testing; Crawler tractors

    • An unidentified crawler tractor rounding the curve in the tractor test track followed by the old open test car, the loading unit and an Advance-Rumely or Hart-Parr tractor being used as a load unit.
    • Larsen Tractor Museum Collection
    • Max drawbar test, A-C HD19, #397, 1948

    • Max drawbar test, A-C HD19, #397, 1948

    • Farm tractors--Testing; Tractors--Testing; Allis-Chalmers tractors; Allis-Chalmers Manufacturing Company; Crawler tractors

    • Max drawbar test no. 397. Allis-Chalmers HD-19. The Adams test car is between the HD19 and NOT in the direct pull line with the load tractors. It only meassured the pressure in the draft cylinder. A special hitch was designed for this test.
    • Larsen Tractor Museum Collection
    • Cletrac crawler tractor

    • Cletrac crawler tractor

    • Tractors; Cleveland Tractor Company; Cletrac tractors; Crawler tractors

    • "The Cletrac Crawler tractor on steel tracks in the 1930s was made by the Cleveland Tractor Co., Cleveland, Ohio." Visitors are sitting on the tractor. The building in the background is the East Campus Steam Plant.
    • Larsen Tractor Museum Collection
    • Cletrac crawler

    • Cletrac crawler

    • Cleveland Tractor Company; Cletrac tractors; Crawler tractors; Farm tractors--Testing; Tractors--Testing

    • "Cletrac with first test car 12-3-1932." Side view of the Cleveland Tractor Company's Cletrac crawler towing the first test car and a special load tractor.
    • Larsen Tractor Museum Collection
    • Fueling D-2 Caterpillar

    • Fueling D-2 Caterpillar

    • Tractors--Testing; Caterpillar Inc.; Crawler tractors

    • test car. Two technicians are standing on the tractor and pouring a measured amount of fuel into the tank. This was the method used until a separate tenk and, later, a fuel heating system was introduced. This tank would be weighed before and after...
    • Larsen Tractor Museum Collection
    • Caterpillar Steel-Tracted Crawler

    • Caterpillar Steel-Tracted Crawler

    • Tractors--Testing; Caterpillar Inc.; Crawler tractors

    • "Crawler tractor being tested." View of a Caterpillar Steel-Tracked Crawler diesel (probably a D6 model) being driven on the test track towing the Adams test car and four load tractors. The track at that time was a "dirt track", meaning that the...
    • Larsen Tractor Museum Collection
    • Caterpillar Diesel 75

    • Caterpillar Diesel 75

    • Farm tractors--Testing; Tractors--Testing; Caterpillar Inc.; Crawler tractors

    • "1933. Drawbar test of the Caterpillar Diesel 75." The Caterpillar crawler is towing the oldc "bathtub" test car and several other load tractors. In the background is the (what is today) the Activities Building on the East Campus..
    • Larsen Tractor Museum Collection
    • Caterpillar D-9

    • Caterpillar D-9

    • Tractors--Testing; Caterpillar Inc.; Crawler tractors

    • "Caterpillar D-9 tested in July and August 1956." Caterpillar D-9 crawler during the Drawbar Test on the dirt test track towing two other crawlers, the test car, and three other load tractors .
    • Larsen Tractor Museum Collection
    • Caterpillar D-8, Test 527

    • Caterpillar D-8, Test 527

    • Farm tractors--Testing; Tractors--Testing; Caterpillar Inc.; Crawler tractors

    • Photograph of the Caterpillar D-8 Diesel crawler during the drawbar test on the test track and towing the test car and five load tractors. The East Campus Steam plant is in the background. The test car is the old open one which was replaced by the...
    • Larsen Tractor Museum Collection
    • Caterpillar D-8

    • Caterpillar D-8

    • Tractors--Testing; Caterpillar Inc.; Crawler tractors

    • Caterpillar D8 during drawbar test. Front view of Caterpillar D-8 crawler towing the Adams test car and four other load tractors. The test car is offset to the right side from the main load, which could not be transmitted through its chassis.
    • Larsen Tractor Museum Collection
    • Caterpillar D-8

    • Caterpillar D-8

    • Tractors--Testing; Caterpillar Inc.; Crawler tractors

    • "D-8 Caterpillar being tested on the dirt track before 1956." Front view of Caterpillar crawler rounding the curve in the test track followed by the test car and six other tractors. The Adams test car was off-set from the main load. because its...
    • Larsen Tractor Museum Collection
    • Caterpillar D-4

    • Caterpillar D-4

    • Tractors--Testing; Caterpillar Inc.; Crawler tractors

    • "D-4 Caterpillar being tested on the dirt track before 1956." Front view of Caterpillar D-4 crawler on the dirt test track towing the Adams test car and two load tractors.
    • Larsen Tractor Museum Collection

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