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Original Truck Bed Rack Prototype, Invented in 1960 by PIERCE METAL PRODUCTS, Inc. Even though bed racks have gained great popularity over the last decade, the first bed rack was introduced in the 1960s by Pierce Metal Products Inc. [1] Its primary purpose was defined as to build the sides of the carrying box of the truck adjustable to the side of the cargo and to the type of the vehicle.
CMVs are restricted by gross weight (total weight of vehicle and cargo), and by axle weight (i.e., the weight carried by each tire). The federal weight limits for CMVs are 80,000 pounds (36,000 kg) for gross weight (unless the bridge formula dictates a lower limit), 34,000 pounds (15,000 kg) for a tandem axle, and 20,000 pounds (9,100 kg) for a ...
An axlebox, also known as a journal box in North America, is the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; it contains bearings and thus transfers the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rolling stock, or roller bearings on newer rolling stock.
Solid, low pressure and high pressure tires have been used. As many as nine axles may be used to provide low ground pressure and good traction. [6] Timber is commonly grown in hilly country unsuitable for farming and so the ability of a log truck to climb a gradient is significant. The steepness depends on the quality of the surface - mud and ...
The Class 8 truck gross vehicle weight rating (GVWR) is a vehicle with a GVWR exceeding 33,000 lb (14,969 kg). [ 2 ] [ 28 ] These include tractor trailer tractors, single-unit dump trucks of a GVWR over 33,000 lb, as well as non-commercial chassis fire trucks; such trucks typically have 3 or more axles. [ 29 ]
The Solectria/Grumman LLV was equipped with a 12-kilowatt-hour (43 MJ) lead-acid traction battery and 5-kilowatt (17,000 BTU/h) diesel-fired heater, giving it a nominal range of 30 km (19 mi). [ 28 ] : 4 The traction motor was an AC induction type, with a peak output of 50 kW (67 hp; 68 PS) and continuous rated output of 20 kW (27 hp; 27 PS).