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Volvo Trucks introduce Tandem Axle Lift

Volvo's Tandem Axle Lift

New system allows second drive axle to be disengaged and raised for better grip and lower fuel consumption

VOLVO Trucks are launching a new function – Tandem Axle Lift – which makes it possible to disengage and raise the second drive axle for better road grip and up to 4% less fuel consumption when a truck is driven unladen.

The solution is particularly suitable for heavy-duty operations with trucks carrying loads one way and returning empty, such as hauling aggregates and asphalt.

By replacing the differential in the first drive axle with a dog clutch, the second drive axle can be disengaged and raised. Thus, the driver has access to both the power and capacity of two drive axles (6x4) and also the better manoeuvrability of a single drive axle (4x2). Moreover, driving with the second drive axle raised also cuts the turning circle by a metre and imposes less wear on tyres and suspension systems.

‘Tandem Axle Lift is perfect for operations where ground conditions or gross vehicle weights demand a tandem-drive truck, but where the vehicle returns empty or lightly loaded,’ explained Jonas Odermalm, segment manager Construction at Volvo Trucks.

Tandem Axle Lift also offers the driver better comfort when the truck is driven empty, which can correspond to 50% of the operating time. The in-cab noise level is lower and vibrations are reduced when only the tyres of one drive axle are in contact with the road.

The Tandem Axle Lift option is now available for all models in the Volvo FM, FMX, FH and FH16 ranges.

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