Peterbilt has announced the availability of Paccar TX-12 automated transmissions with Paccar PX-9 engines. The spec is for Peterbilt medium duty Models 548, 537 and 536. Peterbilt said both the ...
Peterbilt displayed both heavy-duty and medium-duty trucks with the new PACCAR engines during the 2007 Great American Trucking Show that was held August Peterbilt displayed both heavy-duty and ...
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