Professional semi-truck engine care
Truck Engine Repair in Amarillo, TX
G Truck Service provides dependable engine repair, diagnostics, and overhaul work for semi-trucks and heavy-duty trucks in the Amarillo area. Gilbert handles the tough engine problems, performance issues, and repair jobs that many competitors may not be equipped to take on.



Professional Semi-Truck Engine Service in Amarillo
From check engine concerns and overheating to loss of power, turbo issues, cooling problems, and major engine repairs, G Truck Service helps Amarillo truck drivers and fleets get back on the road with confidence. We provide practical diagnostics and repair solutions for heavy-duty trucks, including difficult issues other shops may not want to tackle.
Expert "One End to the Other" Service Since 2019
Amarillo Semi-Truck Engine Repair, Diagnostics & Overhauls
G Truck Service provides heavy-duty engine repair for semi-trucks, work trucks, and fleet vehicles throughout Amarillo and the surrounding area. Whether your truck is losing power, overheating, leaking, smoking, making unusual noises, or dealing with a hard-to-diagnose performance issue, Gilbert has the experience to find the problem and repair it properly.
We also understand that engine performance problems are often connected to other systems, including cooling, fuel, turbo, intake, and exhaust components. That is why our repair approach looks beyond the obvious issue and focuses on getting your truck road-ready with reliable, long-lasting work.
Our Heavy-Duty Engine Services
- Engine diagnostics for semi-trucks, fleet vehicles, and heavy-duty trucks in Amarillo
- Engine repair and troubleshooting for overheating, oil leaks, loss of power, rough running, and unusual engine noise
- Cooling system service including radiators, hoses, water pumps, fans, and related components
- Turbocharger and performance issue diagnosis for trucks with poor acceleration or reduced pulling power
- Fuel and air system troubleshooting to help identify hard starts, smoke, misfires, and drivability problems
- Exhaust-related engine performance checks for leaks, damaged exhaust components, and issues affecting safe operation
- Major engine repairs and overhauls for trucks that need more than basic service
- Difficult repair work that many general shops or competitors may not be equipped to handle
Why Truck Owners in Amarillo Trust Gilbert
Gilbert brings hands-on experience, practical problem-solving, and a willingness to take on difficult truck repairs that other shops may turn away. At G Truck Service, we work on real-world problems for drivers, fleets, and owner-operators who need their trucks repaired correctly and returned to service as quickly as possible.
- Local Amarillo truck repair experience
- Heavy-duty and semi-truck engine knowledge
- Diagnostics for problems that are not always obvious
- Repair work for engine, cooling, turbo, drivetrain, and exhaust-related issues
- A willingness to handle complex jobs competitors may not be able to complete
Important Payment & Booking Information
- Professional Estimates: We do not offer free estimates. Diagnostic and estimate fees apply to all inspections.
- Payment Policy: We accept company credit cards. Note: A photo of the credit card and a matching, valid Driver’s License are strictly required for all card transactions to prevent chargebacks.
- Service Hours: Monday – Saturday.

Expertise for the long haul
Heavy-Duty Truck Engine Repair Solutions
At G Truck Service, we understand that your engine is the heart of your business. We provide high-level mechanical expertise for commercial operators who value quality, reliability, and precision over quick, temporary fixes.
