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



Display: 20

    • "John Deere B from test #366."

    • "John Deere B from test #366."

    • Farm tractors--Testing; John Deere tractors; Deere & Company

    • A John Deere B tractor hooked up to the Adams test car outside the old tractor test lab. The person at the center of the group of three is Test Lab director Carlton Zink (1930-1941) The others would all be John Deere representatives.
    • 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
    • "Testing John Deere Diesel R tractor."

    • "Testing John Deere Diesel R tractor."

    • Farm tractors--Testing; John Deere tractors; Deere & Company

    • "Testing John Deere Diesel R tractor." Three-quarter view from the front of the John Deere Diesel R tractor, which is on the test track in front of the test car. A man is standing near the front of the tractor while four other men at the rear...
    • Larsen Tractor Museum Collection
    • Checking drawbar data for test 366

    • Checking drawbar data for test 366

    • Farm tractors--Testing; John Deere tractors; Deere & Company; Zink, Carlton; Lammert, Red; Schnitter, John G.

    • "1940-1941. Checking Drawbar data for test 366. M. Hansen (john Deere). C.L. Zink (NTTL director). Red Lammert (JD Rep). J. Schnitter (NTTL)." The John Deere B is towing the Adams test car. J. Schnitter is on driving the tractor. He is...
    • Larsen Tractor Museum Collection
    • "A Ford 9N tractor undergoing drawbar test test."

    • "A Ford 9N tractor undergoing drawbar test test."

    • Farm tractors--Testing; Ford-Ferguson tractors; Ferguson tractors; Ford tractors; Ford Motor Company

    • "First test using duals on a tractor in 1940 and the first year the new Charley Adams test car was used." Side view of a Ford-Ferguson System 9N tractor towing the test car and another tractor, which serves as a load unit. The Adams test car could...
    • 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
    • Twin City tractor, belt test

    • Twin City tractor, belt test

    • Farm tractors--Testing; Minneapolis-Moline Company; Twin City tractors

    • "Doing a belt test on a Twin City tractor." The tractor is tested with a "Prony Brake" dynamometer, which is a friction based type and very unstable in maintaining a constant load. This test was probable set up for a demonstration, because the much...
    • 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
    • Checking clearance volume

    • Checking clearance volume

    • Farm tractors--Testing; John Deere tractors; Deere & Company; Smith, C.W.; Zink, Carlton; Brackett, E.E.; Hurlbut, L.W.; Schnitter, John G.; Hansen, Merlin

    • "1941. Checking clearance volume following test #366 of the John Deere B. From left to right C.W. Smith, Carl Zink, E.E. Brackett, L.W. Hurlbut, John G. Schnitter, Merlin Hansen." The tractor is hanging from its front wheels, because the engine...
    • Larsen Tractor Museum Collection
    • Allis-Chalmers Special K crawler;Drawbar Test

    • Allis-Chalmers Special K crawler;Drawbar Test

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

    • Allis-Chalmers Special K crawler towing the old tractor test car and a load tractor outside the tractor test lab. In the background is the East Campus Power Plant and some of the tractors used as load units during drawbar tests.
    • Larsen Tractor Museum Collection
    • Minneapolis 12-25, test 2

    • Minneapolis 12-25, test 2

    • Farm tractors--Testing; Minneapolis Threshing Machine Company

    • Test #2. The Minneapolis 12-25 was made by the Minneapolis Threshing Co, Hopkins, Minn. Test #2 was withdrawn and became test #13 with a new tractor." View of the tractor and the first test car on the test track in the snow, the reason the test...
    • 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
    • Jacking tongue

    • Jacking tongue

    • Farm tractors--Testing; Equipment

    • The Jacking tongue on a Massey 55 load tractor lifting an Oliver 88 in the late 1940s. Side view of the jacking tongue at the rear of the Massey-Harris 55 used in tractor tests. The Oliver was also used as a load unit. This type of hitching made it...
    • Larsen Tractor Museum Collection

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