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  • All fields: Farm tractors--Testing
(120 results)



Display: 20

    • 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
    • Early tractor test

    • Early tractor test

    • Farm tractors--Testing

    • Title: "An early tractor test with a truck used as a load unit." An unidentifieds tractor on a dirt track towing the test car and a specially modified truck. Unfortunately there is no record of this type of load truck. Its towing resistance was...
    • Larsen Tractor Museum Collection
    • Tractor test, John Deere L

    • Tractor test, John Deere L

    • Farm tractors--Testing

    • John Deere L drawbar test with the oldest NTTL test car and a load generating trailer. The two-wheeled load vehicle used a hydraulic pump and a valriable restriction to generate resistance on the trailer wheels. The resistance generated heat and...
    • Larsen Tractor Museum Collection
    • Allis-Chalmers G; Test 398; drawbar test

    • Allis-Chalmers G; Test 398; drawbar test

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

    • "1948. Test no. 398. Allis-Chalmers G during the drawbar test. The Allis-Chalmers G is towing the Adams Test Car, which has a load generating attachment behind it. Two operators are on the load unit The old test lab and various tractors are in...
    • Larsen Tractor Museum Collection
    • Allis-Chalmers 7580. Drawbar Test

    • Allis-Chalmers 7580. Drawbar Test

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

    • Allis-Chalmers 7580 during a drawbar test. The three tractors behind the Allis Chalmers are "load units" or "load tractors" which help generate resistance on the drawbar. The 7580 was the tallest tractor to be tested until that time and a new...
    • Larsen Tractor Museum Collection
    • Allis-Chalmers WD, Test 399;Post-Test Inspection

    • Allis-Chalmers WD, Test 399;Post-Test Inspection

    • Farm tractors--Testing; Allis-Chalmers tractors; Allis-Chalmers Manufacturing Company; Villmer, Louie; Olson, Gordon; Hurlbut, L.W.; Cannon, Craig

    • "1948. Engine inspection following test no. 399 A-C WD. Louie Villmer, Gordon Olson, L.W. Hurlbut, Craig Cannon. Louie Villmer is on his back beneath the tractor. The other three men are gathered around a small table, on which are parts of the...
    • Larsen Tractor Museum Collection
    • John Carlile

    • John Carlile

    • Farm tractors--Testing; Carlisle, John; Oliver tractors; Oliver Corporation

    • "John Carlile was head technician at the tractor test lab from the earrly 60-ies to the late 80-ies." here he is seen inspecting an Oliver tractor after the tests have been completed. John also built the Oliver Test car and many of the...
    • Larsen Tractor Museum Collection
    • Case tractor

    • Case tractor

    • Farm tractors--Testing; Case Corporation; Case tractors

    • 1969 or 1970 model Case during drawbar test #1030 to #1035." The tractor tows the Oliver test car plus a load tractor. The Cushman three-wheeler was used to carry the early sound measuring equipment which was later moved into the rear test-car cab,...
    • Larsen Tractor Museum Collection
    • Case 930

    • Case 930

    • Farm tractors--Testing; Case tractors; Case Corporation

    • "930 Case is being tested to determine the location of the center of gravity as part of a tractor tip-over Teaching Program of Professor George Steinbruegge. Side view of the Case 930 Comfort King tractor with cab, suspended off the floor by chains...
    • Larsen Tractor Museum Collection
    • Corbitt G-50, Test 422, 1949

    • Corbitt G-50, Test 422, 1949

    • Farm tractors--Testing; Corbitt tractors

    • "Corbitt G-50 tractor during the belt test in old lab." Front view of Corbitt tractor. An RPM Counter dial is on a table in front of the tractor; A thermometer measures air temperature; a cable or hose is running from the tractor.
    • Larsen Tractor Museum Collection
    • Dynamometer Control Panel equipment

    • Dynamometer Control Panel equipment

    • Farm tractors--Testing; Dynamometer; Equipment

    • Dynamometer Contol panel for the large Westinghouse DC dynamometer. The image shows the dynamometer controls on the right; a scale dial (reading provides torque when it is multiplied by torque arm) On the left there are the various revolution...
    • Larsen Tractor Museum Collection

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