It is our business to help you get the most out of all your equipment. This commitment to customer service excellence means that we will get the parts you need in your hands when you need them. Thompson Tractor is your source for genuine Caterpillar® parts.

We have a large inventory of Cat and complementary product parts consisting of over 200,000 different line items in 16 locations throughout Alabama and Northwest Florida.

Parts.Cat.Com ― the fastest, easiest and most reliable place to find over 1.4 million genuine Cat parts online. Order parts anywhere, anytime, from any device. Find your local store and start shopping. Find the right part, every time with the ‘Part Lookup’ feature and view real-time parts availability.

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With, ordering online – or on your tablet or mobile device – becomes easy and convenient. Register now and start shopping.

This video will demonstrate how easy it is to create an account on Several benefits to creating an account include:

  • Faster ordering with you quick feature

  • View your order history and reorder with the click of a button.

  • You can also avoid the manual entry of large bulk orders by uploading a file from your computer

How To Register And Sign In On Parts.Cat.Com

With the “Part Lookup” feature, enables you to find the right part every time accurately with real-time parts availability. 

It also enables you to access technical information for all Cat equipment.

Ordering parts has never been faster. With, you avoid waiting in line at the parts counter or waiting on the telephone to place an order by simply going online, finding your parts placing your order and completing your purchase with a credit card. You can even set up your preferences to establish regular parts orders that can be made quickly from anywhere on any device.

How to Find Items on Parts.Cat.Com

Speed Up Your Checkout Process on Parts.Cat.Com

Frequent Order Lists Make Repeat Orders Easy on Parts.Cat.Com