Evaluation of tractor noise involves measurement of subjective quantity; noise reduction program includes legal requirements and test methods; noise measurements were made on 21 different current model tractors from seven manufacturers; all tractors were wheeled models without cabs, and equipped with vertical exhaust stacks; measurements were made near seated operator's ear while tractor was pulling 3/4 maximum drawbar load in working gear nearest 4 1/2 mph.
Are tractors noisy
Agric Eng
Agricultural Engineering ; 47 , n 10 ; p 532-534
1966
3 pages
Aufsatz (Zeitschrift)
Englisch
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TIBKAT | 1967
|SLUB | 1975
|SAE | 1968
|Engineering Index Backfile | 1968
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