New method in application of undertrack sleds for skeletonizing track and placing existing crib ballast under ties and for distributing 4 in. of fresh ballast under ties; method used at Great Northern reduces manpower requirements and work-train service; Mannix Auto-Track incorporating undertrack sled is pulled by winch car; tie-brace device is used along with rear rail clamps to anchor winch car; other equipment used.
Boosts output from ballast sleds
Ry Track Structures
Railway Track and Structures ; 59 , n 8
1963
3 pages
Article (Journal)
English
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