Hydraulic Components and Circuit of 130,000 lb Log Stacker 670698
The log stacker is a high capacity lift truck used in the dry handling of logs at sawmills and reloading sites. Its work operations include handling logs on and off trucks, into and out of storage stacks, and in sorting. This paper describes the largest such vehicle now in existence: the FWD Wagner L-130 Lumber Jack.
Described in detail is the hydraulic circuit which provides 475 hp with individual direction of six functions or combinations using all or part of the power available.