JB/T 50091-1997 This standard specifies the reliability test methods for tire-type bulldozers (hereinafter referred to as bulldozers). This standard applies to bulldozers with a calibrated power of 130~220kW.
JB/T 50091-1997 history
2021JB/T 14202-2021 Reliability test methods, failure classification and assessment of tire bulldozers
1997JB/T 50091-1997 Tire dozers Reliability test method (only for internal use)
JB/T 50091-1997 Tire dozers Reliability test method (only for internal use) was changed to JB/T 14202-2021 Reliability test methods, failure classification and assessment of tire bulldozers.