This medium-duty truck line was introduced in the late 1980s. Powered by a Navistar DT inline six-cylinder diesel engine capable of up to 350 horsepower, the 4900 series has been a great starting point for a wide range of commercial vehicles, including delivery vans, single- and dual-axle semi tractors, as well as fire apparatus and other government applications.
This medium-duty truck line was introduced in the late 1980s. Powered by a Navistar DT inline six-cylinder diesel engine capable of up to 350 horsepower, the 4900 series has been a great starting point for a wide range of co...
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