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  • All fields: Crawler tractors
(43 results)



Display: 20

    • 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
    • Caterpillar 22 and D-8

    • Caterpillar 22 and D-8

    • Tractors; Caterpillar Inc.; Crawler tractors

    • Size comparison. Photograph of the Caterpillar 22 and D8 diesel crawlers parked beside one another. They are on a dirt track behind the Ag. Engineering building. They were tested in the same year.
    • 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
    • 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 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
    • 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 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
    • Caterpillar D4 Diesel

    • Caterpillar D4 Diesel

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

    • "Caterpillar D4 Diesel during belt test." Caterpillar D4 Diesel crawler inside the old tractor test lab with a belt running from the rear of the tractor to the dynamometer inside the control room
    • 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
    • Allis-Chalmers HD-19

    • Allis-Chalmers HD-19

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

    • "Test #397 of Allis-Chalmers HD-19 during one of the drawbar tests." Rear view of Allis-Chalmers HD-19 crawler rounding the corner of the track with the Adams test car and four load tractors behind it.
    • Larsen Tractor Museum Collection
    • Allis-Chalmers HD-14 Diese; Belt test

    • Allis-Chalmers HD-14 Diese; Belt test

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

    • "Harold Mizner, a test technician, measuring drive belt pulley speed. It might be Carlton Zink at the dynamometer." On the left of the image, the rear half of an Allis-Chalmers HD-14 Diesel crawler is visible. The belt extends from the tractor...
    • Larsen Tractor Museum Collection
    • Bates Steel Mule, test 187, 1931

    • Bates Steel Mule, test 187, 1931

    • Farm tractors-Testing; Foote Bros. Gear & Machine Corporation; Bates tractors; Crawler tractors

    • Bates Steel Mule model 45 towing the first draw bar test car and a load unit in test #187, 1931" The Bates Steel Mule in this photograph is the Full Track Model. The old tractor test lab is in the background.
    • 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
    • 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

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