General Motors

By Katie Weiler, Managing Editor | September 28, 2010

GMC TopKick C4500Chevrolet Kodiak and GMC TopKick C4500 and C5500 medium-duty trucks can be ordered with a factory-installed 4×4 system. It features a sharp wheel cut for a tight turning radius and a dash-mounted rotary switch to activate the two-speed NV273 transfer case. A 7,000-pound-capacity Dana 60 front-driving axle has manually locking hubs. The 4×4 C4500 and C5500 can be built with Regular or Crew Cab configurations on wheelbases from 152 to 235 inches.

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