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



Display: 20

    • 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; Oliver tractors; Oliver Farm Equipment Company; Oliver Corporation
    • Unidentified Oliver Tractor (possibly the Oliver 60) during a drawbar test. The Adams Test Car and a Massey Harris 55 load tractor are being towed on the dirt track adjacent to the old Tractor Test Lab building. Note the crankshaft revolution...
    • Larsen Tractor Museum, Records

    • 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, Records

    • Farm tractors--Testing
    • Drawbar Test of Minneapolis Moline 12-25, Test # 13, 1920. The test car shown is the first one (the bathtub with a roof!) used. The interesting thing is the "fifth-wheel steer" system which must have made for difficult steering with the wide axle.
    • Larsen Tractor Museum, Records

    • Farm tractors--Testing; Case Corporation; Case tractors
    • From the photograph it is not clear which Case model this is, but it is one of a series tested track prepping runs used at that time to prepare the track surface for the Drawbar test.
    • Larsen Tractor Museum, Records

    • Farm tractors--Testing
    • Deawbar test of Allis Chalmers "U". They use truck as load unit. No information available on the truck. Side view of the tractortowing the second test car and the load truck. This test was performed at Hoffmann Estates in Illinois
    • Larsen Tractor Museum, Records

    • 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, Records

    • Farm tractors--Testing; Tractors--Testing; John Deere tractors; Deere & Company
    • Drawbar Test of John Deere L, Test#313, 1938. Tractor test on the dirt track. Th test car is the number 2 generation with the resistance trailer at the back. Apparently the Adams test car had a problem at the time.
    • Larsen Tractor Museum, Records

    • Deere & Company; John Deere tractors; Farm tractors--Testing
    • "Checking the time clock on a John Deere tractor." Every tractor on test was provided with a mechanical time clock which recorded a time log of operating and stopping times during the test, This recording was made by a pen on a pressure sensitive...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Massey-Harris Company; Massey-Harris tractors
    • "Test No. 394. Farm Veteran Trainees From Nebr. City, 1948. Recently a group of veterans taking the Institutional Farm Training at Nebraska City visited the Tractor Test Laboratory at the College of Agriculture. The 10 hour test was being...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Engine parts; LeRoi tractors
    • "Test #. 402. Cylinder Head." Close-up of cylinder head from Centaur KV-48. This head was removed from the engine as part of the engine inspection which was carried out during the first 60-some years of the test procedure. It was done to insure...
    • 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...

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