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The W900 is a Kenworth Class 8 truck model, known for its long-nose style. Even as more aerodynamic models such as the T600 and succeeding versions have been introduced for fleet use, the stylish W900 remains in production due to its particular popularity with owner-operators. The W900 was a gradual introduction, retaining many features of its predecessors which also continued to be sold alongside it in the early 1960s. ==Specifications== The engine sizes for the W900 range from 9 liters to 16 liters, and it accommodates up to a 625-horsepower engine. The W900 has front axles from 12,000 to 22,000 lb ratings, and rear axles from 23,000-lb single to 58,000-lb tandems. The "W" stands for "Worthington".〔 The W900 is still in production after over fifty years, although not much remains unaltered. The early 1960s W900 trucks are identifiable by their delicate external doorhandles, mounted just beneath the side windows. They also have larger ventilation windows in the doors and chromed grabhandles atop the radiator for tilting the hood. The W900's doors are called "bulkhead style" doors and along with bigger front windows and a fibreglass roof panel this is what sets them apart from the earlier Kenworth conventionals. The lower mounted "paddle-style" door latches arrived in 1972. In 1973 the hood emblem was changed for a simplified model with three rather than four red stripes. In February 1982 the design was switched to rectangular headlamps, bringing with it a change in name from W900A (which had been introduced in 1967) to W900B. The W900B also sits higher on the chassis than does its predecessor; in Mexico Kenmex continued to produce the W900A equipped with rectangular headlamps. In October 1987 the new W900S model arrived - this has the same BBC (bumper-to-back-of-cab) as the W900B but a sloped hood (hence the "S") for better visibility. This model is easily confused with the T800 but does not have that model's set-back rear axle. The original truck had a split, flat pane windshield which is still available for certain versions, although since December 1994 the T600's cab using a curved windscreen was added to the lineup. Originally it was only for the long Aerocab and also as an option on the daycab, and it only became available for the W900S in 2006. The flat windscreen is not available on the Aerocab or the extended daycab versions. Strangely, Kenworth offers the curved window either as a one-piece or as a two-piece with a divider in the middle. In March 1998 the very comfortable Studio Aerocab model was introduced. In 1976 Kenworth introduced a more comfortable and taller cab for long journeys. Also, an even plusher version called the "V.I.T." was introduced, ostensibly to celebrate the American Bicentennial. V.I.T. stood for "Very Important Trucker", and most of these originally limited availabilities such as luxurious double beds and refrigerators entered the regular options list before long.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Kenworth W900」の詳細全文を読む スポンサード リンク
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