GMC CCKW

GMC CCKW，中国抗战时称为季姆西十轮大卡车，是美国陆军二战时标准装备的越野车与载重卡车。

命名
CCKW源自通用汽车的车型命名法：

• "C"，1941设计
• "C"，传统驾驶室
• "K"，全轮驱动
• "W"，双后轴

历史
1939-1940年，美国陆军军械部队招标吨战术6×6越野车。斯蒂庞克、通用汽车下属的、提交了设计。其中，通用汽车把1939年为法国陆军研发的ACKWX改进为CCKW。美国陆军选中通用汽车为中标的标准卡车，由、生产。至1945年停产，累计生产了562,750辆，仅次于吉普车。

规格
Engine and drive-line
The CCKW was equipped with the GMC 270 engine, an overhead valve inline-6 with at 2750rpm and at 1400rpm. A bore by stroke gave a displacement. This (gasoline) engine was designed for commercial trucks, and was reliable in service.

The transmission was a Warner T93 5-speed with a direct 4th gear and overdrive 5th gear. The transfer case had high and low gears, and engaged the front axle. Originally all axles were a Timken split type, later trucks also used GM "banjo" types.

Chassis
The CCKW had a ladder frame chassis with three driven beam axles, the front on leaf springs, the rear tandem on leaf springs with locating arms. There were two wheelbases, the short Model 352 and the long Model 353. The short, (Measurements are from the centerline of the front axle to the centerline of rear bogie) was used with a short cargo bed as an artillery prime mover for 75 mm and 105 mm howitzers. All other models used the long wheelbase. Tires were 7.50-20, brakes were hydraulic with vacuum assist.

Some were fitted with front-mounted winches. A winch added and .

Some open cab chassis were cut in half behind the cab for air transport. Each half was a load, at the vehicle's destination, the halves were bolted back together.

型号
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CCW
CCW（C表示1941，C表示传统驾驶室，W表示串联双后桥）是公路型5吨6×4卡车，使用梁式前轴。

照片集
File:CCKW-rhine.jpg|第80师在美因茨附近跨过莱茵河
File:Convoy Red Ball Express.jpg|1944年在法国的车队
File:G-508 6x6 GMC CCKW-353-2 Air Compressor truck pic1.JPG|完全修复的收藏品
File:GMC Airportable3.JPG|为空运把底盘分成两部分
File:Jour d'la Libéthâtion Jèrri 9 d'Mai 2011 100.jpg|CCKW 353采用开放驾驶室、机枪架、前绞车

参考文献
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外部链接

• http://www.cckw.org/
• https://web.archive.org/web/20081028220440/http://www.transchool.eustis.army.mil/Museum/ExhibitsIndex.htm
• [http://www.olive-drab.com/idphoto/id_photos_cckw.php3 CCKW at Olive-Drab.com]

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• [https://web.archive.org/web/20190107075928/http://www.memorialmuseum.org/displays/other-vehicles/item/gmc-cckw GMC CCKW] at U.S. Veterans Memorial Museum