International Harvester started out making farming equipment then also began building trucks, and did so up until it became Navistar and the farming equipment manufacturing side joined up with longtime rival Case to form Case-International while the trucks continued production at International Truck and Engine. Anyway, a cornbinder is a piece of farming equipment, and sometime long ago someone began jokingly refering to the trucks built by the farm equipment manufacturer as cornbinders, which was eventually shortened to binder.

FYI, International recently signed a contract with the U.S. Army for something like $1.8 billion to supply trucks and parts for use in Iraq and Afghanistan. The trucks are based on the 7000 series and there will be numerous varients basically doing the same thing these binders do at home, hauling lots of stuff wherever it needs to go. Let's do some rebuilding, boys & girls.