How Much Does Semi Truck Repair Cost?

This guide covers typical semi truck repair rates, the factors that change a bill, and ways to compare estimates.

$100 - $200 per hourtypical range
Semi truck repair labor commonly runs $100 - $200 per hour, before parts and fees. A minor air-line repair may total $150 - $500, while an engine overhaul can cost $15,000 - $40,000 or more.
Updated Oct 2026

Common jobs and what they cost

JobWhat it involvesTypical range
Battery or starter repairTesting, replacement, basic labor$150 - $800
Air-brake repairHoses, valves, or brake chambers$300 - $2,000
Clutch replacementClutch parts and installation$2,000 - $5,000
Transmission repairInternal work or component replacement$3,000 - $10,000
Engine overhaulMajor engine rebuild and parts$15,000 - $40,000+

Ranges are typical, not quotes - the price for your job depends on scope and location, so always confirm with the provider.

What moves the price

The fault and the truck's make, model, and age shape the bill. Diagnostic time, hard-to-source parts, and work on emissions systems or specialized electronics can add cost. Independent shops may charge less than dealerships, though access to model-specific tools or warranty coverage can matter.

Location and timing also count. Mobile service and roadside calls often include travel, dispatch, or after-hours charges, while a shop repair may avoid those fees. A repair that uncovers related wear can expand beyond the initial estimate.

How to keep the cost down

Ask for a written estimate that separates diagnosis, labor, parts, and any shop or travel fees. Compare quotes for the same repair scope, part quality, and warranty, and ask the shop to get approval before adding work. Preventive inspections and prompt attention to warning signs can help avoid larger failures.

For non-urgent work, check whether scheduling at the shop instead of requesting roadside service reduces fees. As the job price grows, choosing a recognized provider on Reedleys with verified identity and a traceable track record matters more.

Price questions, answered

Do semi truck repair shops charge for estimates?

Some shops include a basic estimate, while others charge diagnostic labor to find the fault. Ask whether the fee is credited toward the repair before authorizing testing.

Why do quotes for the same truck repair differ?

Quotes may use different parts, labor rates, diagnostic assumptions, or warranty terms. Confirm that each estimate covers the same work and includes likely fees.

Can a shop charge more than its estimate?

A written estimate may change if diagnosis reveals additional damage, but the shop should explain the change and seek approval before proceeding. Check the authorization terms and ask how updates will be handled.

Recognized Semi Truck Repair businesses

Big Rig Product

Truck and trailer repair, APU sales and service, parts, accessories, and roadside assistance.

Automotive Oklahoma City, United States
Kentucky Truck Parts & service

Semi-truck parts and service business in Louisville specializing in tires and servicing.

Automotive Louisville, United States
Trailer Repair Specialist

Laredo commercial truck and trailer repair facility offering repairs, maintenance, mobile service, and washouts.

Automotive Laredo, United States
The Wrench Truck & Trailer

Chicago commercial truck and trailer repair shop offering repairs, maintenance, customizations, and emergency service.

Automotive Chicago, United States
Bus & Truck of Chicago

Diesel repair shop in Bedford Park serving Chicago-area buses, trucks, fleets, and municipalities.

Automotive Chicago, United States
Fleet Service Chicago and Diesel Truck Repair

Chicago commercial truck repair business offering 24/7 fleet, diesel, and Cummins service.

Automotive Chicago, United States
Truckers Road Service 24 Hour Truck Repair

24-hour mobile repair for semi trucks and heavy-duty vehicles in Chicago.

Automotive Chicago, United States
David's Truck Parts & Repair

Houston shop specializing in semi-truck transmission and differential repair, diagnostics, remanufacturing, and parts sales.

Automotive Houston, United States
Betts Truck Parts & Service

Heavy-duty truck and trailer repair services and parts in Phoenix, Arizona.

Automotive Phoenix, United States
Boulevard Truck Repair

Philadelphia commercial truck repair business offering fleet maintenance, towing, roadside service, and material handling equipment repairs.

Automotive Philadelphia, United States
See all Semi Truck Repair businesses →