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E.R.F. Produces New 8-tonner
Page 105
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ALIGHT four-wheeled 8-tonner with all-steel cab, hypoid-drive axle and a frame specially designed to save weight, has been added to the EA.F. range. A 14-ft.-wheelbase model weighing 3 tons 18 cwt. complete with an I8-ft. platform n body will be d;splayed at Earls Court. In place of the all-hydraulic braking system, it employs Girling two-leading-shoe mils operated hydraulically through a Clayton Dewandre servo.
The 44 G. model, as it is termed. employs the Gardner 4LW oil engine developing 75 b.h.p. at 1,700 r.p.m., and has the E.R.F. standard shape of frame, which ranges in depth according to the distribution of load.. It is exceptionally deep between the front-spring hanger brackets and at a point below the front of the body, and it tapers towards the front and rear.
As in other chassis built in the Sun Works, Sandbach, the frame is full width and the springs are attached below the side members. Although level at the top to ease body mounting, it is sloped at the front below the t.ab
to provide more space for the driver and a better position for the controls.
A I4-in.-diameter clutch and fivespeed overdrive-top ,:,earbox are attached as a unit with the engine, and a two-piece shaft with a flexibly mounted intermediate bearing forms the transmission to the hypoid gear at the fully floating axle. The standard axle ratio is 7.16 to I and, fitted with 36-in. by 8-in. tyres, the new model is rated for 12 tons gross load.
Novel details in design include
hydraulic operation of the clutch (the cylinders being mounted on the frame below the pedal and adjacent to the clutch housing), and a strong boxed cross-member at the front of the frame carrying a central pulling jaw.
The new all-steel cab has a detachable panel at the front for access to the radiator and engine. The radiator is set back from the front of the frame for additional cooling. Air is drawn through the normal grille and the bottom of the front panel.