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Modern fifth wheels allow the trailers to slide into the fifth wheel and lock into it very reliably when maintained and serviced properly. The engagement of the king pin into the fifth-wheel locking mechanism is the only means of connection between tractor and trailer; no other device or safety mechanism is used.
A grommet is a ring or edge strip inserted into a hole through thin material, typically a sheet of textile fabric, sheet metal or composite of carbon fiber, wood or honeycomb. Grommets are generally flared or collared on each side to keep them in place, and are often made of metal, plastic, or rubber. They may be used to prevent tearing or ...
Such packages often represent a substantial portion of the profit on a vehicle. Over time, many of the features in a package may be incorporated into the base vehicle as costs are driven down through manufacturing experience, design refinement, materials substitution, and economies of scale. Car model; Automotive trim nomenclature; Handling package
Trim/appearance package: May include special paint colors, upgraded interior trim pieces (often made from aluminum, chrome or timber), and exterior decals. In past decades, appearance packages have also included two-tone paint, pin striping , bumpers painted the same color as the vehicle body, and vinyl roof covers.
A fifth-wheel coupling is also referred to as a kingpin hitch and is a smaller version of the semi-trailer "fifth wheel". Though a fifth wheel and a gooseneck trailer look much the same, their method for coupling is different. A fifth wheel uses a large horseshoe-shaped coupling device mounted 1 foot (0.30 m) or more above the bed of the tow ...
Overlapped and interleaved wheels improve performance (including fuel consumption) by loading the track more evenly. It also must have extended the life of the tracks and possibly of the wheels. [citation needed] The wheels also better protect the vehicle from enemy fire, and mobility is improved when some wheels are missing.
The wheel options go by 18-inch, 20-inch, or 22-inch aluminum-alloy wheels (styled steel for base Tradesman models), depending on the trim level selected. Like Ford / GM (especially) trucks and unlike all prior generations, this marks the first time 6-lug patterns are now used since the first and second generation Dakota mid-size truck.
The process of perforating metal sheets has been practiced for over 150 years. In the late 19th century, metal screens were used as an efficient means of separating coal. The first perforators were laborers who would manually punch individual holes into the metal sheet. This proved to be an inefficient and inconsistent method which led to the ...