Ditching, culvert cleaning and number of other operations have been carried on during 1930 in successful and economical manner on Peoria and -Pekin Union by using caterpillar tractors in combination with various units of auxiliary equipment, such as graders, ditchers, draglines and special attachments; outline of operations.
Tractors show flexibility in maintenance work
Ry. Eng. Maintenance
Railway Engineering and Maintenance ; 26 , n 12
1930
4 pages
9 Figs.
Aufsatz (Zeitschrift)
Englisch
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