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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)
Pier 1 is 19mm or 3/4" high, number 2 is 38 mm or 1 & 1/2" and pier 3 reached a height of 57 mm or 2 & 1/4". In the top of each pier was an 11mm-diameter round hole that engaged with the corresponding round lugs on the underside of most lengths of US-1 Track.
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 ...
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The Freightliner Argosy is a model line of cabover trucks that was produced by the American truck manufacturer Freightliner from the 1999 to 2020 model years. Developed as the replacement for the FLB cabover, the Argosy was a Class 8 truck, configured primarily for highway use.
Leaf springs were the first modern suspension system, and, along with advances in the construction of roads, heralded the single greatest improvement in road transport until the advent of the automobile. [6] The British steel springs were not well-suited for use on America's rough roads of the time, so the Abbot-Downing Company of Concord, New ...
The Peterbilt 379 is a model line of Class 8 trucks that was produced by the Peterbilt division of PACCAR from 1987 to 2007. Serving as the successor to the 359, the 379 was a conventional-cab truck configured primarily for highway use, serving as the flagship of the Peterbilt model line.
The spring is compressed by weight W to the operating position of the isolator, as shown in Figure 1. The stiffness of the isolator is K=KS-KN where KS is the spring stiffness and KN is the magnitude of a negative-stiffness which is a function of the length of the bars and the load P. The isolator stiffness can be made to approach zero while ...