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Diesel Repair · Franklin, TN/Updated June 13, 2026

The Best Diesel Repair Shops in Franklin, TN

Finding reliable diesel repair in Franklin can be tricky, especially with a mix of options at varying prices. Here’s how to make the best choice for your needs.

Editorially independent6 companies evaluated
cover story
★ Editor's ChoiceDown Home Diesel
96Score
Latest update · June 13, 2026: Initial ranking published. 6 Franklin-metro diesel repair businesses evaluated, top 6 ranked by Vetted Score.

In Franklin, diesel repair isn't just about fixing trucks; it's about keeping your business running smoothly. With the local economy relying on reliable transportation, choosing the right diesel repair shop can make a significant difference in your operational efficiency.

We evaluated six diesel repair providers in the Franklin area, focusing on customer ratings and review counts. This list reflects the current landscape, providing insights into where to find trustworthy service and what to expect from each provider.

6diesel repair shops evaluated in Franklin
4.08average rating across the field
1.3Kcustomer reviews analyzed

Cityvetted analysis of public Google review data, updated June 13, 2026.

How much does diesel repair cost in Franklin? See the price breakdown →

Our top picks

At a glance · three categories
★ Editor's Choice
96Score

Down Home Diesel

★★★★★4.9(44 reviews)

With an impressive rating of 4.9 stars from 44 reviews, Down Home Diesel is frequently praised for its knowledgeable staff and quick turnaround times.

Read full review
Best Value
94Score

Auto Clinic of Franklin

★★★★★4.7(83 reviews)

Auto Clinic of Franklin holds a solid 4.7-star rating with 83 reviews, showcasing their reliability and customer satisfaction.

Read full review
Most Reviewed
92Score

Tomlin Diesel LLC

★★★★★4.6(36 reviews)

Tomlin Diesel LLC has a solid 4.6-star rating from 36 reviews.

Read full review

All 6, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
Down Home Diesel
Down Home Diesel
Editor's Choice
96Score
4.9★★★★★
44Personalized service and quick repairs
2
94Score
4.7★★★★★
83Value for money and thorough diagnostics
3
Tomlin Diesel LLC
Tomlin Diesel LLC
Most Reviewed
92Score
4.6★★★★★
36Expertise in diesel engine repairs
4
81Score
3.9★★★★★
55Convenient access for truck repairs
5
78Score
3.0★★★★★
12Specialized truck repairs
6
78Score
3.4★★★★★
1,062Convenience for travelers
Methodology

How we evaluated all 6 diesel repair shops.

Our evaluation process involved analyzing customer reviews and ratings from various platforms, ensuring an unbiased and transparent ranking. We prioritize authenticity, with no businesses paying for their placement in our rankings.

We refresh our list monthly to account for new reviews and changes in service quality, keeping our recommendations up-to-date. This approach allows us to provide you with the most accurate and relevant information about diesel repair options in Franklin.

The Vetted Score: six weighted factors

Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%

Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.

Full reviews

The rankings · in order
1
★ Editor's Choice

Down Home Diesel

★★★★★4.9(44 reviews)
96Score

With an impressive rating of 4.9 stars from 44 reviews, Down Home Diesel is frequently praised for its knowledgeable staff and quick turnaround times. Customers appreciate the personalized service and attention to detail. However, being a smaller shop means they might have limited availability during peak times. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is personalized service and quick repairs. It serves Franklin, TN, with $100 to $200 per hour pricing, and the honest trade-offs are limited availability during peak times.

Pros

  • Highly knowledgeable staff
  • Quick turnaround times
  • Personalized service

Cons

  • Limited availability during peak times
Best forPersonalized service and quick repairs
Service areaFranklin, TN
Typical pricing$100 to $200 per hour
2
Best Value

Auto Clinic of Franklin

★★★★★4.7(83 reviews)
94Score

Auto Clinic of Franklin holds a solid 4.7-star rating with 83 reviews, showcasing their reliability and customer satisfaction. Reviewers often highlight their competitive pricing and thorough diagnostics. On the downside, some customers report longer wait times during busy periods, but the value for service is notable. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is value for money and thorough diagnostics. It serves Franklin, TN, with $90 to $180 per hour pricing, and the honest trade-offs are longer wait times during busy periods.

Pros

  • Competitive pricing
  • Thorough diagnostics
  • Reliable service

Cons

  • Longer wait times during busy periods
Best forValue for money and thorough diagnostics
Service areaFranklin, TN
Typical pricing$90 to $180 per hour
3
Most Reviewed

Tomlin Diesel LLC

★★★★★4.6(36 reviews)
92Score

Tomlin Diesel LLC has a solid 4.6-star rating from 36 reviews. Customers appreciate their expertise in diesel engines and the quality of repairs. They are particularly noted for their customer service. However, the number of reviews remains somewhat thin, indicating a need for more customer feedback to establish trust. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is expertise in diesel engine repairs. It serves Franklin, TN, with $100 to $220 per hour pricing, and the honest trade-offs are thin review base compared to competitors.

Pros

  • Expertise in diesel engines
  • Quality repairs
  • Strong customer service

Cons

  • Thin review base compared to competitors
Best forExpertise in diesel engine repairs
Service areaFranklin, TN
Typical pricing$100 to $220 per hour
4

TA Truck Service

★★★★★3.9(55 reviews)
81Score

TA Truck Service has a 3.9-star rating from 55 reviews. Many customers appreciate their convenient location and decent service. However, some have reported inconsistent quality, which can be a concern for those needing reliable repairs. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is convenient access for truck repairs. It serves Franklin, TN, with $80 to $150 per hour pricing, and the honest trade-offs are inconsistent quality reported.

Pros

  • Convenient location
  • Decent service

Cons

  • Inconsistent quality reported
Best forConvenient access for truck repairs
Service areaFranklin, TN
Typical pricing$80 to $150 per hour
5

Specialized Truck Repair

★★★★★3.0(12 reviews)
78Score

Specialized Truck Repair has a low 3-star rating based on 12 reviews. While some customers have found their services satisfactory, the limited number of reviews suggests they are still building a reputation. Expect mixed experiences based on the feedback. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is specialized truck repairs. It serves Franklin, TN, with $70 to $140 per hour pricing, and the honest trade-offs are low rating and thin review base.

Pros

  • Specialized services for trucks

Cons

  • Low rating and thin review base
Best forSpecialized truck repairs
Service areaFranklin, TN
Typical pricing$70 to $140 per hour
6

TA Travel Center

★★★★★3.4(1,062 reviews)
78Score

TA Travel Center has a 3.4-star rating from a substantial 1,062 reviews. While it offers various services, many customers express dissatisfaction with the quality of diesel repair. High volume does not equate to high quality, so tread carefully if you choose this location. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is convenience for travelers. It serves Franklin, TN, with $60 to $130 per hour pricing, and the honest trade-offs are quality of service inconsistent.

Pros

  • Wide range of services
  • High volume

Cons

  • Quality of service inconsistent
Best forConvenience for travelers
Service areaFranklin, TN
Typical pricing$60 to $130 per hour
Before you book

How to choose a diesel repair shop in Franklin

Selecting the right diesel repair shop involves balancing your budget with the quality of service you expect. Here are key factors to consider:

Review Ratings

Prioritize shops with higher ratings and a solid number of reviews. This indicates a more reliable service based on customer experiences.

Service Offerings

Check if the shop specializes in the specific repairs you need. Some shops may excel in certain areas over others.

Pricing Transparency

Look for clear pricing structures. Some shops may offer lower rates but could compromise on service quality.

What it costs

What diesel repair costs in Franklin

Understanding the cost of diesel repair can help you budget effectively. Here’s a breakdown of typical pricing tiers in Franklin:

Basic RepairsExpect to pay around $100 to $300 for minor repairs such as oil changes or filter replacements.
Standard MaintenanceFor regular maintenance services, like brake work or transmission checks, costs range from $300 to $800.
Major RepairsMore extensive repairs, such as engine rebuilds or transmission replacements, can run from $800 to $3,000.
Emergency ServicesIn urgent cases, emergency services may cost upwards of $200 per hour, depending on the nature of the repair.

Frequently asked questions

How much does diesel repair cost in Franklin?

Diesel repair costs in Franklin typically range from $100 to $300 per hour, depending on the complexity of the service needed.

Which diesel repair shop has the most reviews in Franklin?

TA Travel Center has the most reviews in Franklin, with over 1,000, but its lower rating suggests you may want to consider other options.

How often is this ranking updated?

We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.

Our verdict

For most Franklin residents: <strong>Down Home Diesel</strong>

Down Home Diesel is the best overall choice for diesel repair, thanks to its impressive 4.9-star rating from 44 reviews. For value, Auto Clinic of Franklin provides excellent service at a competitive price, with a solid 4.7-star rating from 83 reviews. If you’re looking to splurge, consider Tomlin Diesel LLC, which, while slightly lower rated at 4.6 stars from 36 reviews, offers specialized expertise that may justify the investment.