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New Tandem Axle Lift function from Volvo Trucks lowers fuel consumption up to 4%
Volvo Trucks has introduced Tandem Axle Lift, which makes it possible to disengage and raise the second driven axle even while driving. This gives better road grip and up to 4% lower fuel consumption when the truck is driven without a load. The new function is designed for heavy duty transports with loads being carried one way and empty return trips—for example, when hauling timber or in construction and bulk cargo operations.
By replacing the differential in the first driven axle with a dog clutch, the second driven axle can be disengaged and raised; the tires can be lifted 140mm (5.51 inches) off the road surface. The driver thus has access to both the power and capacity of two driven axles (6X4) and also the better maneuverability of a single driven axle (4X2).
Furthermore, driving with the second driven axle raised also cuts the turning circle by a meter and imposes less wear on tires and suspension systems.
Tandem Axle Lift also offers the driver better comfort when the truck is driven empty, which in many cases corresponds to 50% of the operating time. The in-cab noise level is lower and steering wheel vibration is reduced when only the tires of one drive axle are in contact with the road.
Tandem Axle Lift is available for the Volvo FM, Volvo FMX, Volvo FH and Volvo FH16.
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- Volvo Trucks “Truck of the Future 2050 Design Competition” Winners Announced
Source: http://greenbigtruck.com/2015/10/new-tandem-axle-lift-function-from-volvo-trucks-lowers-fuel-consumption-up-to-4/
