Characteristics of drive for machine built by Railway Maintenance Corp to align railway tracks; tractor is driven on ties between rails; for aligning track, shaft spud is driven into road bed as anchor, and lining tool head is lowered; hydraulic pressure is developed by two 2000 psi pumps; force of 12 1/2 tons is required to move rails.
Hydraulic crawler drive
Applied Hydraulics
Applied Hydraulics ; 8 , n 6
1955
Aufsatz (Zeitschrift)
Englisch
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