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  • All fields: load
(173 results)



Display: 20

    • Dynamometer; Belt test

    • Dynamometer; Belt test

    • Tractors--Testing

    • "Dynamometer during a test. Carlton Zink, Chief Engineer from 1930 till 1942, is running the test. The dynamometer's generator is at front left and the load control board is on the right. Carlton is adjusting the load rheostat.
    • 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
    • Clectrac 40, test 149

    • Clectrac 40, test 149

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

    • "Cletrac 40, made by the Cleveland Tractor Co., Cleveland, Ohio during test #149, in May 1928." The Cletrac 40 tractor tows the Adams Test car, a special load vehicle and another load tractor.
    • Larsen Tractor Museum Collection
    • Square Turn 18-35 tractor, test 66.

    • Square Turn 18-35 tractor, test 66.

    • Tractors; Farm tractors; Square Turn Tractor Co.; Square Turn tractors

    • The Square-Turn tractor was built in Norfolk, Neb. Not many were sold. It could be operated in either direction which was the reason for the vertical steering column and the reversible seat. The tractor here is driven by Joe Ostry in front of...
    • Larsen Tractor Museum Collection
    • Square Turn 18-35 with mounted plow

    • Square Turn 18-35 with mounted plow

    • Tractors; Farm tractors; Square Turn Tractor Co.; Square Turn tractors

    • "Square Turn 18-35 tractor manufactured by Square Turn Tractor Co. of Norfolk, NE, showing plow mounted below. Joe Ostry is operator of tractor during a Tractor Power and Safety Day demonstration at Mead, NE. The steering wheel on the 18-35 was...
    • Larsen Tractor Museum Collection
    • Birds-eye of a Steiger tractor

    • Birds-eye of a Steiger tractor

    • Tractors; Farm tractors; Steiger Tractor Company; Steiger tractors

    • Steiger tractor pulling the Oliver tractor test car and three load tractors around the test track. The test car itself is built on a frame with an Oliver tractor as its base. The test car engine is also used as a load tractor.
    • Larsen Tractor Museum Collection
    • Unofficial test of Garden tractor.

    • Unofficial test of Garden tractor.

    • Tractors; Garden tractors; Tractors--Testing

    • An unidentified garden tractor on the drawbar test. This was an unofficial test with a proprietary report providd only to the manufacturer. A driver on the Oliver test car was necessary at all times during the Drawbar tests, because the tesat car...
    • Larsen Tractor Museum Collection
    • Non official test of Garden Tractor

    • Non official test of Garden Tractor

    • Tractors; Garden tractors; Tractors--Testing

    • An unidentified Japan-made garden tractor during a drawbar test with the Oliver test car in tow. This was an unofficial test and a proprietary report was issued to the manufacturer only. In order to reduce the load of the heavy test car on the...
    • 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 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
    • 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 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
    • "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
    • 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
    • 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
    • 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
    • Minneapolis-Moline tractor. Drawbar Test.

    • Minneapolis-Moline tractor. Drawbar Test.

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

    • Unidentified Minneapolis-Moline propane-fueled model during the drawbar test, towing the Adams test car plus load tractors. The two propane cylinders on the first load tractor are used to measure the fuel consumption. The tractor runs during the...
    • Larsen Tractor Museum Collection

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