About Us

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Since 1976 Portland Tractor Inc. (PTI) 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.

Located in the heart of the Pacific Northwest, our expansive yard is spread across 10 acres and includes over 60,000 square feet under the roof. Our yard holds not only the machines that we are currently dismantling, but also a wide selection of attachments, tires, wheels, and parts that can get your equipment up and running today.

Portland Tractor offers more than 25,000 different Caterpillar® part numbers and has over 100,000+ parts and components available in inventory. This makes it one of the largest and most diverse parts inventories for Caterpillar Used Parts in North America. Our experienced team manages this inventory using our computerized inventory system, automated parts sorting and storage systems, and a fleet of equipment. You can be sure our team has the parts you need to get up and running.

Take a behind-the-scenes tour of PTI and witness our commitment to precision and quality. Watch our video to see how we carry out detailed inspections, precision repairs, and final quality assurance tests.

PTI Product Catalog

Digital Product Catalog

Want to explore our extensive range of OEM, used, and aftermarket parts?

What Sets Us Apart?

Expert Guidance

Since 1976, our seasoned professionals, including mechanics and industry experts, have delivered top-tier service in heavy equipment parts. Our deep understanding ensures you find the exact parts you need, making your success our priority.


Inventory Availability

With over 100,000 parts available in our inventory, we can ship most parts direct to you within a day, making us a reliable partner for quick and hassle-free parts delivery. Whether you're in urgent need of a specific part or planning for future projects, Portland Tractor has you covered


Quality Used Parts

Adhering to rigorous inspection standards, we ensure that both new and used parts meet the pinnacle of quality. Additionally, we offer state-of-the-art engine and transmission diagnostic equipment, catering to a comprehensive range of maintenance and repair needs.



Experience unparalleled value with our premium parts and components. Guaranteed to reduce costs and ensure your equipment operates at peak efficiency, our offerings stand as the definitive choice for reliability and performance.


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