Online Parts

All the Cat® parts You need.

Wheeler Machinery Co. would like you to have a convenient and easy way to order parts. By using Parts.Cat.Com, there is no need to pick up the phone or leave your desk. Now with the next evolution in buying Cat parts online and it’s easier than ever.  Our online parts counter is open 24/7 at Parts.Cat.Com.

Make Wheeler Machinery your trusted Caterpillar parts dealer and try the new Parts.Cat.Com today!

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For detailed “How To” information, visit us at Parts.Cat.Com

Learn how to use by watching the videos below.

Logging in and Using


How to Use the Quick Order and Shopping Cart on

How to Check Out on

How to Set Your Preferences on

How to Find Cat Parts using SIS Web on

Find Cat Parts Using the Parts Manual on

Find Cat Parts Using Categories on