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  • All fields: Tractors--Testing
(188 results)



Display: 20

    • Weighing oil

    • Weighing oil

    • 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...
    • Larsen Tractor Museum Collection
    • Oliver Row Crop 60 HC, Test 375

    • Oliver Row Crop 60 HC, Test 375

    • 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...
    • Larsen Tractor Museum Collection
    • Leroi Centaur KV48 Belt test #402, 1948

    • Leroi Centaur KV48 Belt test #402, 1948

    • Farm tractors--Testing; Tractors--Testing; LeRoi tractors; McPhail, W.; Bryan, Billy, 1921-; Olson, Gordon

    • 1948. Belt test no. 402. Centaur KV 48. with G. Olson, W. McPhail, Billy Bryan. Centaur KV-48 in the tractor test lab. A belt runs from the tractor pulley to the dynamometer in the adjacent room. Gordon Olson mans the dyno controls, W. McPhail...
    • Larsen Tractor Museum Collection
    • Case tractor

    • Case tractor

    • 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,...
    • Larsen Tractor Museum Collection
    • 150 Horsepower dynamometer

    • 150 Horsepower dynamometer

    • Tractors--Testing; Equipment; Dynamometer

    • "150 HP Dynamometer being used to measure PTO or Belt Horsepower. Photograph shows test equipment and instrumentation inside the tractor test lab. The dynamometer is labeled with a placard explaining the Horsepower calculation. A Test Lab Engineer...
    • Larsen Tractor Museum Collection
    • Caterpillar Diesel 75

    • Caterpillar Diesel 75

    • 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..
    • Larsen Tractor Museum Collection
    • Checking drawbar data for test 366

    • Checking drawbar data for test 366

    • 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...
    • Larsen Tractor Museum Collection
    • Checking clearance volume

    • Checking clearance volume

    • Farm tractors--Testing; John Deere tractors; Deere & Company; Smith, C.W.; Zink, Carlton; Brackett, E.E.; Hurlbut, L.W.; Schnitter, John G.; Hansen, Merlin

    • "1941. Checking clearance volume following test #366 of the John Deere B. From left to right C.W. Smith, Carl Zink, E.E. Brackett, L.W. Hurlbut, John G. Schnitter, Merlin Hansen." The tractor is hanging from its front wheels, because the engine...
    • Larsen Tractor Museum Collection
    • First tractor test after World War II

    • First tractor test after World War II

    • Tractors--Testing; Garden tractors; Larsen, Lester F., 1908-2000; Larsen, Danny; Powell, Lou; Arms, Milo; Sabe, Abou; Furst, Bob; Heller, Ray

    • "1946. First tractor tested following World War II. Test no. 379. L.F. Larsen, Danny Larsen, Lou Powell, Milo Arms, Abou Sabe, Bob Furst, Ray Heller." Group photo of men and a boy gathered around an Ellinwood 3000-1 Bear Cat. The Adams tractor...
    • Larsen Tractor Museum Collection
    • Oliver Row Crop 88 HC Test #388, 1947

    • Oliver Row Crop 88 HC Test #388, 1947

    • 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...
    • Larsen Tractor Museum Collection
    • Centaur KV 48, Test 402

    • Centaur KV 48, Test 402

    • 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...
    • Larsen Tractor Museum Collection
    • Allis-Chalmers WD, Test 399;Post-Test Inspection

    • Allis-Chalmers WD, Test 399;Post-Test Inspection

    • Farm tractors--Testing; Allis-Chalmers tractors; Allis-Chalmers Manufacturing Company; Villmer, Louie; Olson, Gordon; Hurlbut, L.W.; Cannon, Craig

    • "1948. Engine inspection following test no. 399 A-C WD. Louie Villmer, Gordon Olson, L.W. Hurlbut, Craig Cannon. Louie Villmer is on his back beneath the tractor. The other three men are gathered around a small table, on which are parts of the...
    • Larsen Tractor Museum Collection
    • Craig Cannon, Gordon Olson, Louie Villmer

    • Craig Cannon, Gordon Olson, Louie Villmer

    • Farm tractors--Testing; Tractors--Testing; Allis-Chalmers tractors; Cannon, Craig; Olson, Gordon; Villmer, Louie; Allis-Chalmers Manufacturing Company

    • "1948. Engine inspection of Allis-Chalmers "G" following test 398. Craig Cannon. Gordon Olson and Louis Villmer are inspecting the engine of the Allis-Chalmers G inside the tractor test lab. All are holding tools and/or examining parts. Parts...
    • Larsen Tractor Museum Collection
    • Oliver 77 HC, Test 405, 1948

    • Oliver 77 HC, Test 405, 1948

    • Farm tractors--Testing; Oliver tractors; Oliver Corporation; Burns, Pete; Hall, Art; Watson, William

    • "1948. Observing test no. 405 are Pete Burns, W. Watson and Art Hall." They are all Oliver Corp. Reps. The image shows the front of the Oliver 77 HC standard. The drive belt runs from the belt pulley to the dynamometer-room located to the right....
    • Larsen Tractor Museum Collection
    • Allis-Chalmers G; Test 398; drawbar test

    • Allis-Chalmers G; Test 398; drawbar test

    • 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...
    • Larsen Tractor Museum Collection

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