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Budget Truck & Auto
“They were tremendous- highly professional, easy to work with, and the repairs were done on time with my vehicle returned to me cleaner than it was when I dropped it off!”
Truck Repair in Janesville, WI
24 mechanics listed · 9 in Janesville · 2 open 24/7 · 7 open weekends · 23 rated 4.5+
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Affordable Diesel Road Service
- Roadside Assistance
- Call
- Fuel
“They came out to our truck that was broke down on the dock, they were there within the estimated time, priced very reasonable, fixed the issue quickly and we were on our way.”
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J and S Auto Care Specialists
- Communication
- Work Done
- Knowledge
“So my car wasn't working and I just replaced my hybrid battery and my 9 V battery My engine didn't turn over so I told it to them after just getting the hybrid batteries replaced and the 9v he fixed the problem battery replaced He gets my engine run...”
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J & O Automotive LLC
“My car was loud, I took it to J&O to repair the crack I was told about from the dealer, he had puddy put on but the only lasted a little bit, J&O welded it & even found a second crack, the whole time I was there Hector kept me in the loop & even invi...”
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K W Truck Auto Repair
- Mechanic
- Prices
“Great service great mechanic solid work I've been going there for thirty years”
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Rock Diesel
- Truck
“I was able to “limp” my rig to them and Chris was immediately able to diagnose the broken wire in a wiring harness, and get us back on the road within 3 1/2 hours.”
Area overview: Janesville, WI
Of the 24 mechanics we list here, 9 are in Janesville itself and 15 come from towns including South Beloit (5, 14 mi), Beloit (4, 11 mi) and Clinton (3, 12 mi). 23 of the mechanics on this page have a rating, from 4.5 to 5.0 across 1,300 reviews; 8 have 50 or more reviews. When customers rate these mechanics on specific qualities, they most often praise professionalism (85%), quality (79%) and value (76%). The topics that come up most in reviews of the mechanics on this page are "communication" and "fair". 2 are open around the clock; 7 are open on Saturdays and 3 on Sundays. 2 list staff certifications (ASE) and 3 have a BBB rating of A or A+. 13 have ten or more years of experience, the longest 82 years. 3 offer emergency or roadside call-outs; 3 offer financing; 3 give free estimates; 1 is family- or locally-owned and 2 list coupons or special offers. We have a website on file for 16 of the mechanics on this page; 12 publish a contact page and 8 list a public email. We count these figures across the mechanics on this page; distances are straight-line, and hours and prices change, so confirm the details with the mechanic before you visit.
Data verified October 9, 2026
Listed for drivers in and around Janesville, WI, these 24 shops work on medium and heavy duty trucks. What each one says about fleet accounts, road service, inspections and hours comes from its own website; ratings and quotes come from public reviews.
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Morris Body Shop
“Job done right the first time in a timely manner....”
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Dedicated Fleet Services
“I have an 07 t-600 kenworth and have had quite a bit of work done there , Kole the service advisor is efficient and professional, Kurt the lead mechanic is knowledgable and explains everything thouroly, Michael who has done most of the work on my tru...”
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ALS Diesel Inc.
“ALS is not the cheapest shop, but I can tell you I would trust no one else to work on my truck!”
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Rock County Truck Accessories LLC
- Tint
- Bed Liner
- Quality
“Ordered a new Leer topper for my 2017 GMC 6 months ago and I am very happy of the outcome of my experience, and recommend Rock County Truck Assesories.”
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All-Tech Auto Service
“Services Transmission, General repairs & maintenance, Auto engine diagnostic, Auto brake repair, Tire rotations, Vehicle Inspection, Wheel alignment, Brakes, Auto tire replacement, Brake service & repair, Vehicle maintenance, Battery, Oil change”
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High Velocity Diesel Performance
- Work
- Questions
- Truck
“There communications and documentation was outstanding and there was never a question about what needed to be done to my Excursion after they got into the engine based on the documentation.”
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Road Medic
- Truck
- Prices
- Engine
“Our car suspension went out during our road trip ( we were several states away from home) we Google nearest mechanic and found Road Medic, what a blessing, Mark and Tom were the most kindest people who stayed after hours (on a Friday non the less) a...”
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Fearnside's Fix All
- Honesty
- Sale
- Price
“Services Exhaust, Auto exhaust system repair, General repairs & maintenance, Steering & suspension replacement, Auto engine diagnostic, Auto brake repair, Engine repair, Vehicle Inspection, Brakes, Vehicle safety inspection, Auto maintenance, Auto br...”
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Bear Roadside Repair
- Job
- Price
“Doug came out and found a bad sensor on my truck and was able to find one in Milwaukee and came back to install the new sensor and got my semi truck running on a Friday night!!”
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Semi
“Decent dispatch time, can't really complain.”
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Real's Auto Repair
“I am tired of paying high prices to big commercial repair shops and dealerships, will try this family owned workshop if they have bigger garage that could fit my ford transit high roof extended ??”
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South Beloit Auto Repair
“We had a car emergency on a long trip away from home, when we called asking for help they were able to see the car right away and do a temporary fix to at least get us back on the road home.”
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DC Auto Repair & Towing Service
- Price
“Very good”
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Carroll Service
“Fixed my tension cable that came off my roll up door in under ten minutes on no notice.”
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Best Bet Auto Truck Repair LLC
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Stueck Industries LLC
“Experience made the install a breeze.”
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Top Tier Repair
“Do you have something that needs repairing? Top Tier Repair is here for all your repair needs. When possible, we use original parts for repairs, so anything you bring to us will be returned to you in mint condition. Feel free to contact us with any q...”
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Dimaggio Auto
- Communication
- Honest
- Team
“But… I just want to say thanks for providing a place I can bring my car without feeling any sort of stress or that I'm being taken advantage of in any way.”
Heavy Duty Truck Repair Services in Janesville, WI Cost Estimates
Minimum cost
$315
Maximum cost
$3802
National Average
$479
Avg Per Hour Rates
$120
$359
$710
Fair price range is based on 262 cost profiles
Why these companies made our list
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FAQ
Which truck shops listed for Janesville open overnight?
2 of the 24 shops on this page state around-the-clock operation. Overnight in this trade usually means road service and a technician on call rather than a full shop running at 3 a.m. Say on the call whether the truck is loaded and where it is parked.
What customers say about mechanics in Janesville
- “I had a brake chamber go on me in the middle of the night, and Affordable Diesel Road Service had me up and going in no time.” — customer of Affordable Diesel Road Service
- “Rock diesel wasn't able to repair me in such short notice, but they were knowledgeable with my diesel problem and helped diagnose a solution over the phone.” — customer of Rock Diesel
- “My truck was backed into and by the time Budget was done repairing it, it looked brand new.” — customer of Budget Truck & Auto
- “I highly recommend ALS Diesel to anyone! Hands down the best place to take your diesel.” — customer of ALS Diesel Inc.
- “Called for heavy duty roadside these guys were here in no time, and got my car hauler running in no time, highly recommend them for anyone looking for heavy duty mobile service.” — customer of Affordable Diesel Road Service
Excerpts from public reviews of the mechanics listed on this page.