The Audi quattro rewrote motoring rulebooks and launched a new fashion for four-wheel-drive road cars. It massively increased the appeal and sales of all Audis, and gave the firm the high-tech, ...

When the switch is on and the operator is stopped ... to increases in maximum torque on all models. “First, the inter-axle diff lock (IDL) dog clutch in the transfer case is automatically ...

All told, there are five differential locks on this thing, all controlled by a special "locking logic" that provides ... Stage 1: the two inter-axle differential locks in the transfer case and ...

John Deere's largest articulated dump truck, the 46-ton 460E ADT, is completely designed and manufactured by Deere. When ground conditions get soft and difficult, the automated traction controls ...