avy-duty longlife Perkins
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Perkins company has announced a iuty version of the 6.354 5.8-litre vhich is known as the 6.354.2 and has me output and torque ratings. The gross output rating is 120 bhp at rpm, and the unit's maximum torque of ft. is developed at this speed.
loped in close collaboration with vehkers who employ Perkins engines, the s been designed for "extra heavy-duty .nents and exceptionally arduous con'. It has been fully bench-tested.
5.354.2 has 10 new durability features include a nitrided crankshaft with a flywheel fixing, bushed rockers of dal-graphite iron and high-load valve springs with caps designed to provide protection against overspeeding. New piston cylinder features include piston inserts designed to give top-ring protection, chrome plating of the rings above the gudgeon pin, super honed bores that give rapid bedding-in, a cylinder head cored by a new process that provides improved coolant flow and a laminated steel cylinder-head gasket. The amount of oil in circulation has been increased by 16 per cent to lower the lubricant temperature.
Improvements to auxiliaries and auxiliary drives comprise ceramic facing of the water pump seal and idler gear retaining studs of increased diameter. A new hardened steel auxiliary drive gear has a steel centred thrust washer,