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  • All fields: Tractor Testing
(405 results)



Display: 20

    • Larsen Tractor Museum, Records

    • Tractors
    • Ford Model B Tractor. Made by the Ford Minneapolis Tractor Co., Minneapolis, Minn. The company nor the tractor had anything to do with the (Henry) Ford Motor Company. The first tractor of this type was developed in 1907. Later In about 1917) the...
    • Larsen Tractor Museum, Records

    • Portrait; Wilmot Crozier
    • Portrait of Wilmot Crozier. Tape recording titled: Introduction to the Nebraska Tractor Law from the perspective of Nebraska State Representative Wilmot Crozier. Voice on tape provided by Dennis Johansen of Osceola, Nebraska, former friend and...
    • Larsen Tractor Museum, Records

    • Tractors; Farm tractors; Rumely tractors;
    • "Belt testing the Rumely Oil Pull, Model H; test no. 09, May 24 to May 21, 1920." Rear view of the Rumely tractor with the drive belt attached. The tractor is inside the old test lab (currently the Larsen Tractor Test Museum)
    • Larsen Tractor Museum, Records

    • Tractors--Testing; Allis-Chalmers Manufacturing Company; Allis-Chalmers tractors; Crawler tractors
    • "Harold Mizner, a test technician, measuring drive belt pulley speed. It might be Carlton Zink at the dynamometer." On the left of the image, the rear half of an Allis-Chalmers HD-14 Diesel crawler is visible. The belt extends from the tractor...
    • 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

    •  
    • "Carlton Zink (Director 1930-1940) employed a number of students at the lab as assistants. This is Clee Smiley, who worked at Waterloo for J.D." He is using a Planimeter to check the trace on a chart from the Drawbar Test Dynamometer.
    • Larsen Tractor Museum, Records

    • Tractors
    • "Ford Model B Tractor, Ford Minneapolis Tractor Co., Minneapolis, Minn., 1915. The low quality of this tractor was the cause for the passage of the Nebraska Tractor Test Law. The Lester F. Larsen Tractor Test and Power Museum has the 1909-1910...
    • 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

    • Test;First Rubber Tires; Allis U; Tractors;
    • An Allis-Chalmers U tractor." This was the first tractor which was tested with Firestone Rubber Tires. It was owned and driven by Albert Schroeder of Waukesha, Wisconsin. Apparently a special test was performed for which the old test car and a...
    • 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; 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

    • 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.
    • Larsen Tractor Museum, Records

    • Tractors; Tractors--Testing
    • "Re-fueling during a test. A Volumetric fuel measuring apparatus is installed on a tractor with dual tires." Rear view of the tractor with three technicians gathered around it making adjustments. One of the men stands on the far side of the...
    • 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...

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