GJs Service

GJs Service We specialize in big rig and fleet repair, oil changes, brakes, tires, hydraulics, transmissions, trailer repair, service calls and much more.

We're Those Guys

GJ's Service, in Lone Rock, WI, is the premier truck repair and service company serving Richland, Iowa and Sauk counties and surrounding areas since 1995. For all your truck repair and service needs, contact GJ's Service in Lone Rock. Brands:
Peterbilt
Kenworth
International

Certifications:
Certified Mechanic

Today, we pause to honor and thank all who have served in the United States Armed Forces. Your courage, dedication, and ...
11/11/2025

Today, we pause to honor and thank all who have served in the United States Armed Forces. Your courage, dedication, and sacrifice protect the freedoms we cherish every day.

To all veterans—past and present—thank you for your service. ❤️🤍💙

Doin’ work on the boss man’s truck! Check out the progress! Here at GJ’s we go the extra mile! (Peep the small paint b...
09/18/2025

Doin’ work on the boss man’s truck! Check out the progress! Here at GJ’s we go the extra mile! (Peep the small paint brush to get the little areas coated perfectly!)🤩

Don’t worry, we will post the finished project too!

Call us today for all your repair needs! (608) 583-2200

05/11/2025

Happy Mother’s Day to all the moms out there! Especially the two in our office,Sherry and Lacey! Enjoy your day and do what you LOVE!

The Bowling team we sponsor on Tuesday nights Lucky Striker league took first place this year! Great job ladies!
04/23/2025

The Bowling team we sponsor on Tuesday nights Lucky Striker league took first place this year! Great job ladies!

GJ's November Special - FREE DOT INSPECTIONS!!!!!
10/31/2024

GJ's November Special - FREE DOT INSPECTIONS!!!!!

Winter is coming!TRP 925-CCA batteries in stock for $93.99!NOW until the end of November!Give Alex a call at (608) 583-2...
10/18/2024

Winter is coming!

TRP 925-CCA batteries in stock for $93.99!

NOW until the end of November!

Give Alex a call at (608) 583-2200 to get in on this amazing deal!

Thanks for the ice cream today Auto Value of Richland Center! How cool is the ice cream truck?!
09/10/2024

Thanks for the ice cream today Auto Value of Richland Center! How cool is the ice cream truck?!

We hope everyone has a happy and safe 4th of July! Let’s all celebrate our independence today and everyday! Land of the ...
07/04/2024

We hope everyone has a happy and safe 4th of July! Let’s all celebrate our independence today and everyday! Land of the free because of the brave!!

Happy Father’s Day to all of the amazing dads out there! We hope you all get to relax and enjoy your day! 🥰
06/16/2024

Happy Father’s Day to all of the amazing dads out there! We hope you all get to relax and enjoy your day! 🥰

Hogebuilt 68 inch stainless steel half tandem fender set on sale now through the end of June!! ONLY $525 for the SET!! C...
05/29/2024

Hogebuilt 68 inch stainless steel half tandem fender set on sale now through the end of June!! ONLY $525 for the SET!! Call us today to get your set!

Land of the free, because of the brave! Happy Memorial Day to all. Enjoy your day and let’s all celebrate our freedom.
05/27/2024

Land of the free, because of the brave!

Happy Memorial Day to all. Enjoy your day and let’s all celebrate our freedom.

Address

420 E Forest Street
Lone Rock, WI
53556

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 8am - 12pm

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