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    • 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...
    • John Deere B, test 380, 1947

    • John Deere B, test 380, 1947

    • Farm tractors--Testing; John Deere tractors; Deere & Company; Lammert, Red; Wielage, Don

    • "Test no. 380 from 1947. The people shown are Merlin Hansen (JD rep), Red Lammert (NTTL), Doug Wielage, Russ Candee (JD reps). John Deere B is hitched to the Adams Test Car
    • 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...
    • Oliver Row Crop 88 HC Test #388, 1947

    • Oliver Row Crop 88 HC Test #388, 1947

    • Farm tractors--Testing; Oliver tractors; Oliver Corporation; Burns, Pete; Dommel, Homer

    • "1947. Drawbar test of Oliver Row Crop 88HC. Test no. 388. Pete Burns & Homer Dommel are the company representatives. Pete Burns in the driver's seat. Homer Dommel (Oliver Rep)mis standing near the tractor's rear tire. The Adams test car and the...
    • 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...
    • Intercontinental C26 drawbar test.

    • Intercontinental C26 drawbar test.

    • Farm tractors--Testing; Tractors--Testing; Intercontinental tractors

    • "Test no. 400. 1048. The Intercontinental was the first Texas-made tractor." The Intercontinental C26 towing the Adams test car, and a Massey-Harris 55 load tractor. A company rep and a Lab technician are shown facing the tractors. The old...
    • Oliver 88, Test #391, 1947

    • Oliver 88, Test #391, 1947

    • Farm tractors--Testing; Tractors--Testing; Oliver tractors; Oliver Corporation

    • Drawbar Test no. 391, 1947 Oliver 88. Homer Fishwood (Oliver Rep) is the driver. The Oliver 88 being is towing the Adams Test Car and two load tractors. The East Campus Power Plant is in the backgeround. The track is a "dirt track", which had...
    • Ferguson TE-20

    • Ferguson TE-20

    • Farm tractors; Ferguson tractors; Larsen, Lester F., 1908-2000

    • Side view of a Ferguson TE-20 on the tractor test track. Lester Larsen is standing behind the tractor, and R. Hautzenroeder (Company Rep) is in the driver's seat. Note the tires used. This was not the V-lug type used on soils, but more a road...
    • Service recorder inspection

    • Service recorder inspection

    • Instrumentation: The Service Recorder

    • "1940. A service recorder is used to record total hours of engine operation." From the recording trace, made on pressure-sensitive paper, one can determine hours of PTO and Drawbar operation because the tracings are different. Carlton Zink...
    • Tiger Cat Belt Test.

    • Tiger Cat Belt Test.

    • Tractors--Testing; Larsen, Lester F., 1908-2000; Heller, Ray; Powell, Lou

    • "1948. Tiger Cat belt test no. 390, 1948 Les Larsen (Chief Engineer in Charge), Ray Heller (company Rep), Lou Powell (student/technician) Photograph taken in old test lab. Larsen is running the dynamometer controls.
    • Caterpillar D8 during Drawbar Test #711

    • Caterpillar D8 during Drawbar Test #711

    • Tractors; Farm tractors; Caterpillar Inc.; Caterpillar tractors

    • "Caterpillar D8 being during drawbar test at Nebraska tractor test station." The Caterpillar The D8 tractor is towing the Adams test car and two side-by-side rows of load tractors. A special hitch system was built to tow two parallel rows. A...
    • Farmall 340 tractor, test 665

    • Farmall 340 tractor, test 665

    • Tractors; Farm tractors; International Harvester Company; IHC tractors; Farmall tractors

    • Farmall 340 tractor from test 665. The tractor tows the Adams test car and a load tractor An IHC rep is driving the tractor. Two boys are riding their bicycles alongside the tractor. This was prohibited in later tests because of the possibility...
    • Ursus C-325, test 804, 1961

    • Ursus C-325, test 804, 1961

    • Tractors; Farm tractors; Ursus tractors

    • Ursus C-325 tractor from test 804, 1961. Bob Becker (Allis Chalmers/Ursus Rep) is operating this Polish made tractor. Jarchinski (Ursus Rep) is in front of the C-325. Hetman and Nowacki (Ursus Reps) are beside the tractor. The Oliver Test Car is...

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