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  • All fields: tachometer
(3 results)



Display: 20

    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Tractors--Testing; Allis-Chalmers tractors; Allis-Chalmers Manufacturing Company; Crawler tractors; Haller, Ted; Flamm, Joe
    • Official belt test no. 397 Allis-Chalmers HD19." The Allis-Chalmers HD-19 crawler on berlt power test inside the tractor test lab. Technician Joe Flamm stands measuring belt speed with a hand-held tachometer. Ted Haller reads the air temps on the...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Tractors--Testing; Allis-Chalmers tractors; Crawler tractors; Allis-Chalmers Manufacturing Company
    • The Allis-Chalmers HD-14 diesel crawler is shown from the rear inside the tractor test lab. Carlton Zink stands beside the belt pulley to measure drive pulley speed with a handheld tachometer. The driven pulley speed on the dynamometer and 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...

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