Caterpillar may boost debt $350 million

Caterpillar Inc., the world's biggest maker of construction equipment, may sell $350 million of three-year notes through its finance unit, according to a person familiar with the offering.

Caterpillar Financial Services Corp. may issue the debt as soon as today, said the person, who declined to be identified because terms aren't set.

Cat is based in Peoria and locally has operations in Aurora.