Walking into a garage at the Navistar Proving Grounds in northern Indiana yielded an unexpected sight: a tough-looking sleeper-cab tractor parked several lanes away. “What’s that?” I asked my hosts.

Allison Transmission recently announced that International Truck, a Navistar brand, has integrated Allison fully automatic transmissions into S13-equipped trucks. Through the partnership's continued ...

Allison Transmission announced that International Truck, a Navistar brand, has integrated its fully automatic transmissions into S13 powertrain-equipped trucks. Through the partnership's continued ...

Navistar has launched its International S13 Integrated Powertrain for the vocational market, offering it in the International HX Series. First introduced for the on-highway market last August in the ...

Fontaine Modification and Daycab Company are offering a new extended cab option for International HX Series trucks that adds 8 inches of interior space to the rear of the cab. This cab expansion gives ...

Truck manufacturers’ use of vertical integration of componentry is not new, but some of the products are. Builders have updated engines to meet the latest exhaust emissions requirements and refined ...