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78 BROCKHOUSE
Page 137
Page 138
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J. Brockhouse and Co Ltd, Vehicles Division, 25 Hanover Square, London W1R ODQ.
Three trailer models are on this stand: two models represent the Expediter range and the other one is a four-wheel drawbar with Ackermann steering.
The Expediter 27000kg three-axle drawbar with tilt-type bodywork is produced for the Swedish market and depending on vehicle configuration a payload in excess of 18.5 tons may be obtained. The trailer has 18in.-deep by 6in.-wide I-beam main-members and 4in.-deep by 1.751n .-wide I-section crossmembers. Features of the specification include automatic slack adjusters (brake), automatic drain and shunt valves and a ROR M44 widespread bogie with 22500 series axles. Tyre equipment is 22.5 --11.00 tubeless. Inside body width permits two metric pallets to be stacked side by side.
The only semi-trailer on the stand is plated to 19.5 tons gross trailer weight. The chassis construction utilizes lightweight high-tensile I-beam main-members with heavy gauge square tubular cross-members. The mainmembers are pierced and fitted with full-width I-beam cross-bearers. The single-axle is connected to multi-leaf spring units and is plated to a maximum load of 10 tons. The standard model is intended for the mounting of conventional bodywork and the transport of evenly distributed loads.
Ackermann steering is featured on the 5.5 'tons gross drawbar trailer suitable for mounting general purpose bodywork and/or mobile plant. The vehicle, suitable for operation over rough roads, has two-stage semi-elliptic spring and Aeon rubber suspension. The frame is 16ft long by 7ft 9in. wide and when mounted on 9.00 — 16 tyres gives a laden floor height of 2ft 6.5in, A three-line air brake system is fitted to power, hydraulically operated front brakes and mechanically actuated rear brakes.