The RWB-QUAD series of four-axle, walking beam suspensions is available in 120,000-pound and 200,000-pound capacities using 5 and 5 ¾-in. axles. Axle spacing is available in 50 and 56 in., and beam ...

Ridewell has released the RWB-QUAD, a new series of rigid-walking-beam (RWB) suspensions. The new four-axle RWB models are available in 120,000- and 200,000-lb capacities using 5 and 5.75-in. axles.

In the first installment of a new series called Cool Tech In Boring Cars, let's look at all the wacky front suspension designs that made their way into U.S.-spec Ford Rangers from the start of ...