Your Trusted Heavy Diesel Repair Shop
We specialize in comprehensive maintenance and repair for heavy diesel trucks and trailers
Servicing Dallas/Fort worth
What Our Clients Say About Us
★★★★★
Average Rating: 4.6 out of 5 based on 52 reviews
Customer Satisfaction Guaranteed
Straight 6 has been working on my trucks for several years and they always have me in and out in no time. Very helpful knowledgeable. I highly recommend them
★★★★★
Adrian Escalante
Outstanding Diesel Mechanics
Had some electrical issues and these guys found the problem and got me back on the road
★★★★★
Shon Rios
Exceptional Service and Support
Had straight6 do an out of frame overhaul on my engine. I’ve had them work on my truck ever since (a/c, steering gear box, driveline, tires). Great shop and very reliable, highly recommend!
★★★★★
Rey Palmores
Reliable and Trustworthy Repairs
Honorable mechanics. Carlos was straight forward with me about my semi. Didn’t try and nickle and dime me. Got me in and out. Honest diesel mechanics are hard to find these days. I highly recommend.
★★★★★
Murasaki Freight LLC
Expert Diesel Repair Services
We provide top-notch maintenance and repair for heavy diesel trucks, tractors and trailers, ensuring reliability and safety.
Our skilled technicians specialize in heavy diesel repairs, offering comprehensive services to keep your vehicles in peak condition and extend their lifespan.
Servicing: CAT, Detroit, Volvo, and Paccar Engines
Comprehensive Fleet Maintenance
Tailored solutions for your fleet’s needs.
Our fleet maintenance services are designed to minimize downtime and maximize efficiency, ensuring your vehicles are always ready for the road.
Routine Services: Oil and filter changes, Fuel system Maintenance, Cooling System Maintenance, Air Intake System, Exhaust System, Battery and Charging System, Belts/Hoses, Brake System, Tire Maintenance, Fluid Levels: Power Steering Fluid/Coolant, Engine Cleaning
Advanced Engine Diagnostics
Precision diagnostics for optimal performance.
Utilizing state-of-the-art technology, we diagnose engine issues accurately, providing effective solutions to enhance your vehicle’s performance.
CAT | Detroit | Volvo | Paccar
Get Your Trucks and Trailers Running Smoothly with Our Expert Diesel Repair Services Today!
Services we offer
Tires & Brakes
Brake Adjustments
Valve lash Adjustments
Routine Services
Welding &
Fabrication
Clutch Adjustments
Seeking further information?
Having trouble finding the answers you need? Let’s have a conversation.
Frequently Asked Questions FAQ
How often should I be changing my oil?
Regular oil changes, often every 7,500-15,000 miles or 500 hours, are crucial for engine health and performance. Changing oil filters at the same time ensures optimal oil flow.
What should I include on my Diesel Engine Maintenance Checklist?
Use this checklist to keep your diesel trucks in top shape:
Use high-quality oil and fuel additives when needed.
Change oil and filters on schedule.
Inspect and clean fuel injectors.
Check the alternator, radiator, and condenser for wear or damage.
Maintain the cooling system to prevent overheating.
Monitor for fuel contamination or oil oxidation.
Empty the water separator regularly.
What should be inspected often?
Regularly inspect and adjust components like valve lash, engine mounts, and the turbocharger for signs of wear or damage.
Annual Maintenance?
We recommend annual maintenance checks, including coolant flushes, valve lash adjustments, and turbocharger inspections.
How to prevent engine damage?
We recommends checking oil and coolant levels, and looking for leaks or damage before each start.