Inventory Changes Daily. Please Contact Us For Updates!

Trailers, Parts, Service, Rentals, & More

From YETI Coolers To Hunting Blinds To 29' Snowmobile Trailers.. We Got It

Our Standard Is Everyone Else's Upgrade

Only 30 Minutes North of Madison, Exit 85, Off I-39

I39 Supply has a great selection of steel and aluminum utility trailers that can be purchased as-is or customized to fit your needs. Complete utility trailer repair service available on-site.

Here’s what’s in store:

  • Steel H&H Railside Single Axle Utilities
  • Steel H&H Railside Tandem Axle Utilities
  • Steel Woodside Utilities
  • Steel ATV Side Utilities
  • Aluminum H&H Railside Single Axle Utilities
  • Aluminum H&H Railside Tandem Axle Utilities
  • Aluminum Woodside Utilities
  • Aluminum Lowside Utilities
  • Aluminum ATV Side Utilities

Aluminum and Steel Trailers for Sale! Which ones for you?

Steel Equipment Trailers

Steel equipment trailer sales in Wisconsin. Great selection of car haulers and excellent general duty equipment trailers in stock for you. Complete car hauler and trailer repair service is available as well.

Here’s what’s in store:

  • 7K Equipment Trailers and Car Haulers – General Duty
  • Stationary Deck
  • 10K HD Equipment Trailers and Car Haulers – Stationary Deck
  • 14K Industrial Equipment Trailers and Skid Steel Trailers – Stationary Deck
  • 14K Super Deluxe Industrial Trailers (Haul Yeah!) – Stationary Deck
  • Steel 7K Speedloaders – Full Tilt Electric Hydraulic
  • Steel 10K Speedloaders – Full Tilt Electric Hydraulic
  • Steel 14K Speedloaders – Full Tilt Electric Hydraulic
  • Gravity Tilts
  • 14K HDL Deckovers
  • Gooseneck Deckovers

Aluminum Equipment Trailers

Lightweight aluminum car haulers are kept in stock at I39 Supply. Our 7K aluminum car haulers / equipment trailers are built to last. We offer full aluminum trailer repair service just south of Portage, WI.

Here’s what’s in store:

  • 7K Equipment Trailers and Car Haulers HDA – Stationary Deck
  • Aluminum 7K Speedloaders – Full Tilt Electric Hydraulic
  • Aluminum 10K Speedloaders – Full Tilt Electric Hydraulic
  • Aluminum 14K Speedloaders – Full Tilt Electric Hydraulic

We have a solid fleet of rental trailers at I39 Supply. Daily rates and weekly rates available. Click here to view the trailers we offer and call today to reserve yours.

I39 Supply is proud to sell quality enclosed trailers at a fair cost. We’ve got plenty in stock and ready for you! We also offer complete repair service for enclosed trailers.

Here’s what’s in store:

  • Steel RC Trailers RDLX Enclosed Trailers
  • Steel Darkhorse Cargo Enclosed Trailers
  • Steel RC Trailers Toolbox Trailers
  • Steel Enclosed Car Haulers From RC Trailers & Darkhorse Cargo
  • Aluminum EZ Hauler EZECs
  • Aluminum EZ Hauler UCPs
  • Aluminum Enclosed Car Haulers

We are a leading snowmobile trailer dealer in Wisconsin. We've got a large stock of well equipped snowmobile trailers and look forward to earning your business. We also offer a complete snowmobile trailer repair service.

Here's what's in store:

  • EZ Hauler Inlines (EZES)
  • RC Inlines (Artel)
  • Mission All-Sports
  • Mission Crossovers
  • Sled Decks
Abandonded wooden farm trailer

Used trailer sales at I39 Supply. We take used trailers on trade and also sell a few on consignment. Our supply changes daily so please call or stop in to inquire. Thank you.

Call us! (608) 742-6223

Rental Trailers Available:

  • Both Single & Tandem Axle Enclosed Cargo Trailers
  • 10K Electric Tiltbed Car Hauler
  • 14K Heavy Duty Dump
  • 25' Aluminum Inline (Snowmobile / UTV Trailer)

Our Lineup of 250+ Trailers

Dump TrailersView
Snowmobile TrailersView
Enclosed TrailersView
Utility TrailersView
Equipment TrailersView



Come See Us Just North of Madison!

I39 Supply trailer sales, rental and trailer repair is in central Wisconsin. Our convenient location is near Cascade Mountain on Interstate 39. Exit 85.  We stock over 250 trailers at all times. Our trailer purchasing power provides value to customers because we can special order trailers with a quick turnaround time and low cost. Our helpful team can’t be beat so call us today! Call us at (608) 742-6223

i39_supply-equipment-aluminum-speedloader-10K-1024x546 (1)
Closed 9/1/21 Thru 9/6/21

Our Dealership Will Be Closed From 9/1/21 Thru 9/6/21 To Attend The NATDA National Trailer Show & Celebrate Labor Day. We Will Be Back To Normal Hours On 9/7/21. Thank You For Your Interest & We Look Forward To Returning Your Call or Email!

-I39 Supply Sales, Service, & Graphics

Scroll to Top