Use of novel earthmoving spread in supplying fill material to Southern California freeway project, featuring DW20 tractors operating as quadruple pushers, unique scale-transfer bridge which weighs material and loads haul units, and DW21 towing trailers on haul road.
Highball earth-moving with rubber
Western Construction
Western Construction ; 36 , n 6 ; p 73 + 76 + 78
1961
Article (Journal)
English
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