Versatile low-loader
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• First of a new design of low-bed semi-trailers announced by Crane Fruehauf Trailers Ltd. is designed to carry 25-ton indivisible loads under a Special Types Order but can carry about 20 tons of payload when used with Construction and Use Regulations at a 32-ton-gross combination weight. Models for payloads of 30, 35, 40, 50 and 60 tons will be introduced eventually.
Designation of the new low-loader is C-32 /CD2-18 and it has a tandem-axle bogie and raised rear deck which can be detached from the main frame for rear-end loading and unloading. The main frame is of high-tensile steel and a new design of attachment method for the rear end allows the two portions of the semi-trailer to be separated and recoupled in a very short time. There is also provision as an option for front-end loading with a detachable front crank member which employs the same coupling design as at the rear. Main-deck lengths of 20ft., 22ft. and 24ft. are offered and with the middle dimension, the C-32 /CB2.-18 will couple to most tractive units within an overall combination length of the current 49ft 2.5in. (15m) maximum. The rear deck measures 8ft 1.75in. while the overall length of the front portion if either 9ft 7in. or 10ft 71n. according to particular requirements; the fifth-wheel kingpin is 2ft 6in. from the front end.
The main deck is floored with 1.875in. hardwood with 1.125in. hardwood on the foredeck and rear deck, in all cases laid longitudinally. Lashing rings are provided on each side of the main deck.
Crane Fruehauf CD2-18 suspension is employed for the tandem axles, this having single inverted nine-leaf springs on each side. The 5in. diameter tubular axles have 16.5in. by 7in. brakes and 9.00-20. 14-ply tyres are fitted. Options include a Thompson 7-ton winch, steel decks, loading ramps and so on.