What A Tipping Trailer Costs

Another Miscellany of Inquiries from Readers Authoritatively Answered A READER asks for advice on the cost of operating a drawbar tipping trailer, towed by a rigid six-wheeler.......

Trailers For Roads Or Swamps

T WO high-flotation oilfield trailers equipped with interchangeable running gear, to permit operation in swamps or on normal roads, have recently been shipped to Africa for the......