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Another Mobile Fleet Service
“The shop manager Mel introduced me to the mechanic working on my truck and shortly after showed me to a drivers lounge that was exceptionally comfortable.”
Best Truck Repair in Fontana, CA
24 mechanics listed · all 24 in Fontana · 16 open weekends · 20 rated 4.5+ · 3 show a license
Data verified October 16, 2026
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Padilla Tire
“Combination of factors such as open hours, pricing and customer service make this place a reliable and affordable place to get your mechanic work done and tire shop.”
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Socal Truck & Tire Center
“They were knowledgeable, affordable, great communication skills ,the list of positive adjectives goes on, these guys treated my family with kindness in our time of need, and we will forever be thankful for them.”
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Rhino Alignments & Diesel
“I love these guys, the place , everything, both of the bosses are nice, they did my job without showing their greed, had my king pin new tires and allingnment done from here, very impressed and they r fair, they wont charge for something which is no...”
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Rogers Exhaust Shop
- Welds
- Truck
- Price
“I asked her 2 questions she answered the first right away yes they accept debit/credit cards and the second if they have availability on Friday Christmas Eve Eve.”
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Aamco Transmissions & Total Car Care
- Check
- Diagnose
- Vehicle
“Rome was not built in a day and hard work takes time to get the job done right and Philip has been amazing through the whole process updating me and making sure i knew step by step what was going on!”
Listed for drivers in and around Fontana, CA, 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.
Area overview: Fontana, CA
All 24 mechanics we list here are in Fontana itself. We have 50 mechanics in Fontana on file; this page shows the highest-rated 24. The mechanics on this page are rated from 4.2 to 5.0 across 2,085 reviews; 18 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (93%), quality (71%) and value (62%). 16 are open on Saturdays and 2 on Sundays. 3 show a license on their websites and 5 have a BBB rating of A or A+. Domain records put 8 websites of the mechanics on this page at ten or more years old; the oldest dates from 2005. 2 offer financing; 2 give free estimates; 5 are family- or locally-owned and 3 list coupons or special offers. 1 has Spanish-speaking staff. We have a website on file for 16 of the mechanics on this page; 13 publish a contact page; 8 list a public email and 3 take bookings online. We count these figures across the mechanics on this page; hours and prices change, so confirm the details with the mechanic before you visit.
Which truck shops listed for Fontana work on Saturdays or Sundays?
16 of the 24 shops on this page run a weekend shift. Weekend slots are how a lot of fleets get preventive maintenance done without losing a working day, so they book out early. Parts counters keep shorter hours, which is the usual reason a Saturday job waits until Monday.
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Cypress Truck Repair
“Do recommend there service.”
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Diesel Injection Service
- Fuel
- Chevy
- Truck
“Took my 2011 f350 for some major repairs,Anthony was more than helpful walking me through all repairs and keeping me updated throughout the repair process .”
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JB Trailer Service
“I was extremely happy with the service i got at this place, needed quick trailer repair and after i was cruising around the area this place got to the job right away.”
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Team GMD Truck & Trailer Repair
“I also wanted to acknowledge all the other mechanics that do a fine job I've been doing business with Francisco for over 5 years and he has never let me down nor will he ever for that I am truly grateful for team”
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So Cal Mobile Fleet Services
- Price
- Job
- Mechanic
“His mechanic, Benny, who was also knowledgeable, professional and pleasant to deal with showed up at my truck in 50 minutes with a new starter and had me going in 2 hours from his arrival to departure.”
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24 Hours Mobile Diesel Truck Mechanic
- Price
- Future
- Morning
“Good and fast service just make sure yuo have protection and baseline because he charges twice the price of ta for a tire be tal easy to pay 1000 for a Chinese tire”
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Arredondo's Auto Repair
- Fair
- Mechanic
- Money
“Had to reset the clutch on my fiat the owner had it squared up in no time good prices great service and extremly close to home in future will always go to them if i cant do myself”
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J & S Auto Center & Smog
- Father
- Truck
- Price
“Bought a truck from them they were great and very patient with me also did a an oil change on my moms car and was reasonable with their price have decided to make them my mechanic shop for everything thanks”
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Power Truck Sales
“If your looking to purchase a truck ask for Raj We purchased a truck from him 3 yrs ago and this past year we bought 2 more trucks Raj helped us make this happen.”
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John's Auto Repair
- Vehicle
- Job
- Price
“It's very rare for a mercedes mechanic to be open on a Saturday, but that just shows he wants your business over the other guys who want to take the weekend off.”
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TB Diesel Inc.
“I had a air leak that two other shops could not figure out and after $400 of work for not finding the air leak Walters found it within 2 hours and repaired it no problem.”
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Prime Truck and Trailer Repair
- Quality
- Engine
- Price
“!! Their pricing is very fair, all around they're a great bunch of guys, with fair pricing, they all do awesome work, they usually get you in really fast & out fast, & they are open 24hrs a day”
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RON Caterpillar Doctor
- Motors
- Mechanic
“Ron's a nice guy, he hooked up with his computer and looked at my truck and told me what was needed, he didn't even charge me , I will hopefully get to do business with him in the future, thanks Ron”
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Hendrick Diesel Solutions
- Engine
- Price
- Mechanic
“Each new truck I purchased I brought it from Memphis tn to hendrix to have it setup fair and honest that should his slogan because that's the way he treat his customers”
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G E Truck Maintenance
“I'm sorry that you feel that way sir, but you should know that we can not simply trust the repairs that were made, we must check them again, not to find more problems and make money off of you (we don't even charge you to check it the second time), w...”
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Jd's Gear Works
- Quality
- Transmission
“These guys are professional and know what they're doing the owner is very friendly and most importantly honest their rates are very reasonable and fare I very much recommend this shop”
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P & R Fleet Services
“Call for my truck in for service.”
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Alpha Auto Repair
- Vehicle
- Leak
- Price
“Hi my name is derrick, I went to alpha auto repair to have some work done and they performed a totally great job removing the intake manifold from my bmw and repaired it, I had no more coolant leak and coolant smell inside the cabin.”
Heavy Duty Truck Repair Services in Fontana, CA Cost Estimates
Minimum cost
$355
Maximum cost
$4274
National Average
$539
Avg Per Hour Rates
$135
$403
$798
Fair price range is based on 337 cost profiles
Why these companies made our list
What customers say about mechanics in Fontana
- “The staff was knowledgeable and professional, taking the time to explain the issue with my truck and the steps they would take to fix it.” — customer of Another Mobile Fleet Service
- “This is an outstanding mechanic! My trucks are cared for and treated like they're their own trucks and my drivers are treated like family!” — customer of Hendrick Diesel Solutions
- “Diesel injection has awesome customer service, perfect quality products, and the knowledge / experience to back it all.” — customer of Diesel Injection Service
- “I've had everything from brakes, alignments, differential replacement, to engine rebuild done on my fleet and it's been quality every time.” — customer of Prime Truck and Trailer Repair
- “The shop is clean and organized, which gave me the confidence to know my truck was in good hands.” — customer of Rogers Exhaust Shop
Excerpts from public reviews of the mechanics listed on this page.
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