Maximum-capacity Transporter from Harvey
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WHEN a Harvey articulated car transVV porter, built to the new Construction and Use regulations, was being demonstrated to the staff of Autocar and Transporters Ltd., Alvechurch, last week, Mr. Douglas Harvey of Douglas F. Harvey Ltd., 4 Mitchell Place, Markinch. Fife, told The Commercial Motor that freedom from hydraulic fluid " freezing" troubles in low ambient temperatures was an important advantage of the hydraulic motor system of the screw-type upper-deck elevating mechanism and that this had been repeatedly proved in service, It was confirmed by Autocar and Transporters (who run about 70 transporters) that some standard ramtype elevating gears were prone to freezing in low temperatures, the addition of an anti-freen solution being undesirable because it resulted in rapid deterioration of the seals.
Basically similar to the Harvey transporter described in the March 27, 1964 issue of The Commercial Motor, the new outfit has an overall length of 42 ft. 7 in. and a width of 8 ft., the lengths of the top and bottom decks being respectively 42 ft. 7 in. and 34 ft. There are no wheel arches and the internal width between the pillars is 7 ft. 2 in. Tyre equipment of the semi-trailer is 8.25-17 whilst twoline air brakes are fitted as standard.
The Bedford TIC. tractive unit is powered by a Leyland 0.400 diesel and is fitted with a five-speed gearbox and Eaton two-speed axle, the coupling being a York Big D fifth-wheel type.
Payload capacity of the transporter varies according to the types of vehicle being carried, a typical load being two small cars and a medium-sized car on the lower deck and four small cars (or three big cars) on the upper deck. The model demonstrated is being operated by W. A. Glendinning Ltd., Shotley Bridge, Consett, Co. Durham, on three delivery runs a week from Luton to Newcastle upon Tyne, a total distance of 1.600 miles, and according to the driver the
vehicle handles extremely well ".
Mounting the screw gear at the rear reduces frame loading and enables a particularly robust, lightweight superstructure to be used. As previously mentioned, detailed features include upperdeck stays of the folding pram type located amidships and special manually demountable support legs which fit into -square-shaped apertures at the front of the main frame members, screw-type feet providing for height adjustments. Structural modifications include the use of main members having a depth of 13 in. in place of 9-in, members, the unladen weight of the trailer with coupling now being 4 tons 12 cwt. Aeon rubber helper springs are fitted to the axle.