Balanced braking sounds impossible when one considers a highway tractor coupled to short doubles trailers pulling a fully loaded lead trailer and an empty second trailer, mixing new tractors with older trailers, operating on wet and dry roads, or operating with one vehicle in the combination that has just had a brake reline, hooked to a vehicle with brakes three-quarters worn.In the USA and Canada, government bodies are responsible for conducting roadside inspections on heavy trucks. In fact, there are well over two million trucks inspected every year in the US alone. Improper brake systems are the leading candidates for placing a vehicle out of service (OOS). The leading cause of defective brakes has been brakes out of adjustment. (US federal regulations stipulate that a heavy-duty vehicle must be taken of out service if 20% of its brakes are 114 inch or more beyond the readjustment limit for push rod travel.)

"By managing where and when the power is desired, multipleheaddrillpress we can provide fuel savings, emissions and productivity enhancements," Orr said. "With control of an accessory independent multipleheaddrillpress of engine speed, we can reduce accessory drag on an engine during engine cranking to multipleheaddrillpress enhance cold weather starting. Starting an electric engine oil pump just prior to engine cranking, for example, can provide a pre-lube function."Orr was describing the concept of Cat Electronics'' MorElectric system unveiled about a year ago. The MorElectric system is designed to drive a vehicle''s air conditioner, brake air compressor, water pump and other accessories electrically, versus being belt or gear driven. The system also includes a newly developed HVAC (heating, ventilation, air conditioning) package as well as an optional diesel-powered auxiliary power unit.

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