Since 1976 Portland Tractor has been a leading supplier of Caterpillar rebuilt and used/salvage heavy equipment parts, New OEM Surplus parts, Aftermarket parts, components, and attachments. We've built our reputation by working hard and being honest with our customers. To us, honesty means being upfront with what we can do, what we can't do, then standing behind the quality of our product. Sticking to these principles has allowed Portland Tractor to build relationships that have become the cornerstone of our company today.