SAE J321
Tire Guards for Operator Protection-Earthmoving Haulage Machines.
This recommended practice establishes a minimum zone of protection for the operator of the machine and certain structural requirements for guards on pneumatic-tired earthmoving haulage machines capable of speeds in excess of 25 km/h (15 mph). Earthmoving machines covered by this recommended practice are dumpers, and tractor-scrapers as identified in SAE J1057a (June, 1975).
History:Standard | Published | Revision | Status |
---|---|---|---|
J321_200804 | 2008-04-14 | Latest | |
J321_199905 | 1999-05-24 | Historical | |
J321_197804 | 1978-04-01 | Historical | |
J321_196711 | 1967-11-01 | Historical |