EVERYTHING YOU NEED IN TRAILER LIGHT & BRAKE TESTERS csa

Trailer Testing Equipment

If you need trailer light testing and trailer brake testing, and mobile diagnostic equipment that is sturdy, straightforward and functional – and pays for itself in improved operating efficiency – you’ve come to the right place.

For more than 20 years Square Wheel Industries has supplied Trailer Tester ™ and Express Garage™ trailer testing equipment to assist in troubleshooting trailer light and brake systems to the trucking and RV industries. Our trailer testing equipment can be found in any size operation, from the assembly plants of some of our nation’s largest trailer manufacturers to a person running a mobile service truck out of his home.

Not familiar with our light or brake Testers? Be sure to check our FAQs, where we answer frequently asked questions; or click Documents, to go directly to our document library.

Our secure, online store is open 24/7. You can also order by phone during normal business hours at (610) 921-8561.

Find out what Trailer Testers can do
for you and your business

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