A vehicle suspension includes a dock height holding device. First and second jounce bumper portions preferably each include a surface configuration that faces generally toward the oppositely facing jounce bumper portion. By moving at least one of the jounc...

A vehicle suspension assembly (20) includes a height holding device (40) that is at least partially supported within an air spring (30) of the suspension assembly. The height holding device includes a hydraulic ram (42,44). A moveable portion (44) of the h...

A vehicle suspension assembly (10) is provided that includes a vehicle frame (12). A suspension member (14) is pivotally supported on a portion of the frame. A torsion bar (16) having a longitudinal axis and first (18) and second (20) opposing ends is supp...

A heavy-duty vehicle suspension assembly is provided that includes an axle assembly having opposing suspension arm mounting faces. A pair of modular suspension arm assemblies are secured to the axle assembly with the suspension arm assemblies extending out...

A vehicle suspension assembly (20) includes a shock absorber (30) that provides variable damping dependent on the load conditions of the vehicle. A central rod (50) of the shock absorber includes a central bore (82) that is fluidly coupled with air pressur...

A wheel end assembly having a dual wheel configuration includes independently rotating wheel hubs to reduce tire wear. The wheel end includes a first planetary gear assembly with a sun gear driven by a differential side gear and a ring gear for driving one...