Crushing Equipment Selection
During the early years of the application of power shovels to quarry operations in this country it was not uncommon to see crushers as small as the No. 6 (12″ receiving opening) operating in conjunction with shovels of 1.5 or 2 cubic yard dipper capacity; crushers such as the No. 8 (18″) and No. 9 (21″) were considered adequate for ...