Forward-control Omei
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TO meet the requirements of Mayne Nickless organization Australia, special modifications 11 been incorporated in Atkinson Om chassis. The first unit of this desigr destined for heavy haulage work in t country. A forward-control cab been fitted and in order to facilitate form of mounting Rolls-Royce placed the turbocharger so that the cleaners and discharge are to the r of the driver's bulkhead. The non Rolls power unit is employed toget with an Allison transmission, this be the CLBT5660, one of the larger in in this series.
A heavy-duty rear bogie of Kirks hypoid design is used, as in -all Om chassis, with lockable third different on this 6 x 4 model. Overall transmiss reduction is virtually the same as on normal Omega and the frame memh are of similar section. A cradle mou ing has been provided for the engine E the transmission is carried on t trunnions.
The overall length of 23 ft. 0-5 several feet shorter than the ordin Omega; makes the chassis eminer suitable for employment with a la well-bed trailer. Wheelbase is 13 ft. 44 and maximum width, in order to corn with Australian regulations, is 8 Overall height is 9 ft. 2 in. and tyres 11-00-20 all round. Rear brake dr sizes are 163 in. by 6 in. and from 164 in. by 4 in. Dual fuel tanks provided, each of 30-gal. capacity, giv a minimum range of 300 miles.
Split-system air braking is provid with an air-assisted handbrake on rear bogie. The Allison unit incorpora a hydraulic retarder which is said to g appreciable braking power on the ov run. Driving controls are of the tv pedal clutchless type and the steering I a direct-acting power cylinder operat on the drop arm. A Serck oil-to-wa transmission cooler is located beneath radiator.