W10630 Hwy 33 West
Portage WI, 53901
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Need Financing?

Look no further! Big O’s now offers two options! We have partnered with both Marine Credit Union and Sheffield Financial.

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Full Service Dealership

Big O's Trailer offers repair and services in Portage, Wisconsin. Plus a full line of trailer parts & accessories.

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Contact Big O's Trailers

Roll into our Wisconsin trailer sales shop and find the perfect trailer for your business or personal hauling needs.

Contact US

Stop in and see us at our Portage, WI trailer shop!
Just off Hwy 90/94, North of Madison and Milwaukee.

Find the perfect trailer at our Portage Wisconsin parts & trailer store . Find the perfect trailer at Big O's Trailers. We are conveniently located just off Interstate I90/94. Stop in today and see why we continue to grow. We are a full trailer dealership with a sales, service, and parts departments. Big O's Trailers was started in 1985 by Orland and Joanne Breunig. After Orland's death in 2003 the tradition has been carried on by his three children. Trailers have been our focal point of our business for 30 years. Whether you're a local or if you're coming from Fond du Lac, Madison or Tomah, our trailer store and repair shop is geared up to meet your business or personal hauling needs!

Our mission is to provide you with the knowledge essential in choosing a trailer to fit your needs. After the sale we are available to answer questions and provide the parts and service you will need to maintain your trailer. From bearing packs to fender repairs our service department is equipped to get you back on the road, in no time at all.

Big O's, Where the QUALITY shows!

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Happy Haulers
Testimonials From Our Satisfied Customers