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  • All fields: Crawler tractors
(43 results)



Display: 20

    • Allis-Chalmers G & Allis-Chalmers HD-19

    • Allis-Chalmers G & Allis-Chalmers HD-19

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

    • "Big and Little." Allis-Chalmers G & Allis-Chalmers HD19. One operator is seated on an Allis-Chalmers G alongside an Allis-Chalmers HD-19 Diesel crawler, on which two men are seated. The tractors are parked on the dirt test track.
    • Larsen Tractor Museum Collection
    • Hitch arrangement for HD19 test

    • Hitch arrangement for HD19 test

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

    • "Test no. 397. Hitch arrangement for testing HD-19." Side-view of the hitch arrangement between the Allis-Chalmers HD-19 crawler and the tractors hitched behind it. The Adams test car is offset and is not in the line of pull. It only measures...
    • 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
    • Allis-Chalmers HD 5B;Test 396; drawbar

    • Allis-Chalmers HD 5B;Test 396; drawbar

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

    • "Official drawbar test no. 396. Allis-Chalmers HD 5B. 1948." Allis-Chalmers HD-5B crawler being driven on tractor test track in front of the test car, which is followed by two Load Tractors which generate the needed Drawbar Pull. The Hydraulic...
    • Larsen Tractor Museum Collection
    • Allis-Chalmers HD-14; Belt Test

    • Allis-Chalmers HD-14; Belt Test

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

    • The Allis-Chalmers HD-14 diesel crawler is shown from the rear inside the tractor test lab. Carlton Zink stands beside the belt pulley to measure drive pulley speed with a handheld tachometer. The driven pulley speed on the dynamometer and the...
    • 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
    • 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
    • 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
    • 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
    • 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
    • "Early test, crawler tractor."

    • "Early test, crawler tractor."

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

    • "Early test of an unidentified large crawler tractor." Bird's-eye view of crawler tractor towing the first ("bathtub") test car and other tractors on a dirt track. The tractor with the stack looks like a Hart-Parr or a Rumely.
    • 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
    • Allis-Chalmers HD-19, Test 397;max DB-pull

    • Allis-Chalmers HD-19, Test 397;max DB-pull

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

    • "Test no. 397. Max. drawbar pull test. 37,556 lbs pull was obtained. The Allis-Chalmers HD-19 crawler is on the test track towing the Adams test car. The latter is towed separately from the 4 "load tractors" because of the lesser strength of its...
    • Larsen Tractor Museum Collection

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