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  • All fields: (Test
(1887 results)



Display: 20

    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Garden tractors; Tractors--Testing
    • An unidentified Japan-made garden tractor during a drawbar test with the Oliver test car in tow. This was an unofficial test and a proprietary report was issued to the manufacturer only. In order to reduce the load of the heavy test car on the...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors--Testing; Equipment
    • The Adams test car, built by Charlie Adams was put in service in 1956. This test car was later modified and the cab was used on the Oliver Test car until 2004, when the latter was replaced by the Caterpillar made test car. It is worthwhile to note...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Tractors--Testing; Rollover protective structures; Farm tractors--Safety measures
    • A Tractor and the testweight frame ready before a SIDE IMPACT TEST. The tractor is lashed down and the impacting weight is raised. The test was conducted at Mead, NE (Ag Eaxperiment Station) It was found that these "dynamic" tests were difficult to...
    • 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

    • Garden tractors; Tractors--Testing; Shaw tractors
    • "Test 136, 1927, Shaw Du-All model T25 being tested." The Adams test car is being used. The operator, who is sitting on the test car is holding the tractor control handles.The pull cylinder can be seen in front of his feet. The techniciabn taking...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Tractors--Testing; John Deere tractors; Deere & Company; Rollover protective structures; Farm tractors--Safety measures
    • Side impact test on a ROPS on a John Deere tractor. The photograph shows the lateral deformation at the moment of impact. The amount of deformation is important because it is not allowed to intrude into a "Safety Zone" around the operator. The...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Tractors--Testing; John Deere tractors; Deere & Company; Rollover protective structures; Farm tractors--Safety measures
    • Cab shown after a side impact test on a John Deere with a protective structure, The permanent deformation can be seen, as well as the broken glass. The operator would have been safe, but the intrusion of the cab elements into a pre-defined "safety...
    • Nebraska Tractor Test Laboratory

    • Tractors; Tractors--Testing; AGCO tractors; New Holland tractors; CNH tractors
    • Test lab technician lifting tractor wheel with forklift on west side of tractor test laboratory. These extra tires were used to test the tractors with duals on the drawbar tests. The test lab technicians were also students at the Department of...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Massey-Harris Company; Massey-Harris tractors
    • Belt test of the Massey-Harris 22RT. Test #403, 1948. The Massey-Harris tractor is shown from the rear. The drive belt extends toward the dynamometer. An unidentified factory Rep is standing at the front of the tractor and a technician in a lab...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Massey-Harris tractors; Massey-Harris Company
    • Test no. 401. Massey-Harris Pony. R. Valentine, H. Hartz, E. Dahl (Factory Rep), H. Mizner, V. Hitt. behind the Massey-Harris Pony tractor inside the tractor test lab. Note the RPM Counter on the front of the tractor and the time clock on the...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Tractors--Testing; Caterpillar Inc.
    • Text states: "1940. Checking engine R.P.M. during test no. 357." The Caterpillar D-8 is shown from the rear, where the belt pulley is located. A test engineer is measuring the belt pulley RPM with a handheld Tachometer (an RPM counter) touching...
    • 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

    • Tractors; Tractors--Testing; John Deere tractors; Deere & Company; Rollover protective structures; Farm tractors--Safety measures
    • Moment of impact during demonstration at Mead, NE (Experiment station). It shows the 1000kg (2205 lbs) weight at the moment of impact on the rear upper part of the ROPS. It was found that these "dynamic" tests were difficult to make repeatable,...
    • 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; Minneapolis-Moline Company; Twin City tractors
    • "Doing a belt test on a Twin City tractor." The tractor is tested with a "Prony Brake" dynamometer, which is a friction based type and very unstable in maintaining a constant load. This test was probable set up for a demonstration, because the much...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors--Testing; Equipment
    • Instrumentation in the Oliver tractor test car. The large left gage is for measuring low drawbar load forces, the right one is for large loads. The valves are vibration damping valves. Various gages counters and switches are used for engine rpm,...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Tires; Tractors--Testing; Equipment
    • This was a wheel counter arrangement made for a special test on a 4-wheel drive experimental vehicle. It was impossible to attach the usual wheel revolution counters and so an arrangement (shown) was made to use a small weight to keep the counter...

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