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  • All fields: drawbar
(344 results)



Display: 20

    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Scales
    • 1940. Oil used during test is weighed. Before the test oil is drained from the tractor. New oil is weighed and put in the tractor. After the tests the oil is drained and weighed again. The difference is the oil used during the test. The photograph...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors; Farm tractors--Testing; Oliver tractors; Oliver Farm Equipment Company; Zink, Carlton
    • 1941 Oliver Row Crop 60 HC during test #375. Carlton Zink (in hat) on far left. The other two men are Oliver Reps. The tire is marked "Test K. "The tire that is on the rear of the tractor is marked Test F,G,H. They apparently changed tires...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Planimeter
    • 1941. Carlton Zink, Director at the lab from 1930-1942, showing an assistant how to use a Planimeter. The traction cylinder recorder creates a trace on a paper strip (shown). The Planimeter follows the trace on the strip of paper and gives the area...
    • Nebraska Tractor Test Laboratory, Records

    • 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,...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Farm tractors; Caterpillar Inc.; Caterpillar tractors
    • " Caterpillar Diesel 75 during a warm-up/break-in run." The photograph shows the tested tractor towing two side-by-side rows of load tractors. and the Adams test car. This is a very old Photograph and it looks as if the track still had a small...
    • Nebraska Tractor Test Laboratory, Records

    • 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..
    • Nebraska Tractor Test Laboratory, Records

    • 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...
    • Nebraska Tractor Test Laboratory, Records

    • 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...
    • Nebraska Tractor Test Laboratory, Records

    • 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...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; LeRoi tractors
    • "1948. Centaur KV 48, Test # 402. Changing drivers during 10 hour test." One man is climbing onto the tractor, which is in front of the tractor test car, while another man hops off the opposite side of the tractor. Two load tractors are behind...
    • Nebraska Tractor Test Laboratory, Records

    • Tractor Testing; Drawbar; Allis-Chalmers tractors
    • "1948. Test no. 397. 10 hour rated load test." Allis-Chalmers HD-19 crawler towing 4 load tractors and the Adams Test Car during the 10-hour dawbar test. The tractor test car is offset between the HD19 and the load tractors because the required...
    • Nebraska Tractor Test Laboratory, Records

    • 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...
    • Nebraska Tractor Test Laboratory, Records

    • Garden tractors--Testing; The Lodge & Shipley Co.; Choremaster tractors
    • "1950 Choremaster during test #449." Front view of Choremaster B towing the Adams test car. This was the smallest tractor tested at NTTL. This was really a Garden Tractor, not intended for general Agricultural work and they were later exempted from...

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