New crane made by Marshall Sons and Co for attachment to Fowler " Challenger 3" crawler tractors particularly intended for use by oil field and pipe line contractors; it is driven from tractor rear power takeoff and is designed to handle loads from 12 tons, at 4 ft outreach, to 3 1/2 tons, at 14 ft outreach; illustrations.
Side boom tractor crane
Engineer
Engineer ; 198 , n 5139
1954
2 pages
Aufsatz (Zeitschrift)
Englisch
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CRANE BOOM, CRANE WITH THE CRANE BOOM, AND METHOD FOR MOUNTING GUY SUPPORT ON CRANE BOOM
Europäisches Patentamt | 2018
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