Redesigned ballast cleaner and winch car team has speeded up right of way maintenance for railroads; air replaced by oil hydraulics to do heavy raising and lowering jobs; new Pullman unit is designed to pick up dirty ballast simultaneously from both shoulders of single track; winch car is hydraulically clamped to rails; multiple section valve operation permits simple control from operator's seat.
Oil power handles larger loads
Applied Hydraulics
Applied Hydraulics ; 6 , n 10
1953
Article (Journal)
English
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