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  • All fields: test."
(105 results)



Display: 20

    • Larsen Tractor Museum, Records

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    • Carlton Zink with tractor test board consisting of professors Brackett, Smith and Hurlbut. They are apparently discussing test results before signing off on the final reports. Meetings like these were held regularly for each test. This guaranteed...
    • Larsen Tractor Museum, Records

    • Allis-Chalmers tractors; Allis-Chalmers Manufacturing Company
    • Carlton Zink performing an after-test oil drain on an Allis Chalmers C. The oil will be weighed and the weight compared to the oil weight which was put in the tractor before the test. The oil specific graviry is also determined. These measurements...
    • Larsen Tractor Museum, Records

    • Crawler tractors; Caterpillar Inc.; Tractors--Testing
    • "Caterpillar crawler tractor during drawbar test." The crawler tractor is driven on the old dirt test track with the first "bathtub" test car and load tractors pulled behind it. This was conducted at Hoffman Estates in Illinois.
    • 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

    • 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, 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.
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Engines; Overholt, L.E.; Schnitter, John G.
    • Measuring valve lift following official test. Jack Schnitter is in the right foreground, measuring the valve lift. L.E. Overholt is on the other side of the tractor and assisting with the measurement. The tractor is unidentified.
    • Nebraska Tractor Test Laboratory, Records

    • 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...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Ford tractors; Ford Motor Company
    • Ford tractor with a Two-post roll bar during a drawbar test. The Oliver test car, which was used from the 60-s till well into the 90-s (and is still used occasionally) had the Adams test cab on it which contained the test measurement equipment. The...
    • Nebraska Tractor Test Laboratory, Records

    • 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...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Intercontinental tractors; Hitt, Virgis; Yonash, Robert
    • Test no. 400. Intercontinental during limber up. Virgis Hitt & Robert Yonash were engineers with the company.The Intercontinental C-26 tractor, which was made in Dallas. TX, is towing a load tractor, indicating that this was a preliminary run...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; John Deere tractors; Deere & Company
    • John Deere 4955, test # 1622, during the PTO test. The tractor is elevated with planks from the floor so that the PTO driveshaft to the dynamomater will be horizontal. This is a Front-Wheel-Assist model. Air Temperature and Fuel Flow measuring...
    • 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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