Guy Fit German Gearbox in Passenger Chassis
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ONE of the exhibits at this year's Arristerdam Commercial Motor Show (February 6-14) will be a Guy Victory underfloor-engined passenger chassis with Leyland 0.680 150 b.h.p. oil engine and German ZF 655 six-speed gearbox with air-assisted gear-change. This chassis has been built to the order of a Dutch operator and will run at a maximum of 13+ tons gross weight.
Because of high gearing, its maximum speed is claimed to be about 75 m.p.h., but, other than the engine and gearbox, the chassis has a standard Victory specification. A three-point mounting layout is . employed for the engine-gearbox unit, the two rear rubber mountings being vertical bushes enclosed by a special clutch housing—current Guy practice. The Leyland engine carries a 16.25-in.-diameter single-dry-plate clutch. The ZF gearbox, which has synchromesh engagement, has forward ratios of 5.88, 3.44, 2.36, 1.52, 1 and 0.63 to 1, reverse being 5.02 to 1.
The air servo mechanism is mounted on top of the gearbox, but the box occupies little more space than the standard non-assisted unit. A constant-mesh version is offered and the Leyland 0.600 oil engine, which develops 125 b.h.p., is available as an alternative.
Another Guy exhibit at Amsterdam will be the Victory chassis with air suspension, disc brakes and fully automatic gearbox, which was seen at Earls Court last year, Invincible Mk. II models will also be shown.