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A radius rod (also called a radius arm, torque arm, torque spring, and torsion bar) is a suspension link intended to control wheel motion in the longitudinal (fore-aft) direction. The link is connected (with a rubber or solid bushing ) on one end to the wheel carrier or axle , on the other to the chassis or unibody of the vehicle.
In its simplest form, the multi-link suspension is orthogonal—i.e., it is possible to alter one parameter in the suspension at a time without affecting anything else. This is in direct contrast to a double wishbone suspension, where moving a hardpoint or changing a bushing compliance will affect two or more parameters.
1946 Peterbilt flatbed 1939 Peterbilt Model 334 (1 of 2 built 1939). In 1939, the Fageol plant in Oakland opened for business as Peterbilt Motors Company. As part of the design process, Peterman and his company engineers sought input from truck owners and drivers on how to develop trucks; [10] [11] initially planning to develop chain-drive trucks for the logging industry, the company ...
A rubber bushing may also be described as a flexible mounting or antivibration mounting. These bushings often take the form of an annular cylinder of flexible material inside a metallic casing or outer tube. They might also feature an internal crush tube which protects the bushing from being crushed by the fixings which hold it onto a threaded ...
This competition forced PACCAR to close its Kenworth assembly plant in Kansas City in April, 1986 and its Peterbilt plant in Newark, California, the following October. [40] PACCAR acquired Trico Industries in 1986 which was a manufacturer of oil exploration equipment based in Gardena, California, for $65 million in order to reduce its ...
Indirect replacement for Model 377; first Peterbilt aerodynamic conventional with "wide-body" cab Shares cab structure with Kenworth T2000; built on Peterbilt frame, 387 has different hood, roof fairing, and interior design. Produced as day cab, mid-roof sleeper, and raised-roof sleeper. 388 : 2006-2015 on-highway (Class 8)
A torsion bar suspension, also known as a torsion spring suspension, is any vehicle suspension that uses a torsion bar as its main weight-bearing spring. One end of a long metal bar is attached firmly to the vehicle chassis; the opposite end terminates in a lever, the torsion key, mounted perpendicular to the bar, that is attached to a ...
A grid coupling is composed of two shaft hubs, a metallic grid spring, and a split cover kit. Torque is transmitted between the two coupling shaft hubs through the metallic grid spring element. Like metallic gear and disc couplings, grid couplings have a high torque density. A benefit of grid couplings, over either gear or disc couplings, is ...