Mon – Fri, 6AM – 2:30PM (Central)Sat + Sun, Closed
Diesel engine overhauls, DPF cleaning, and turbocharger replacements for trucks and fleets. Maximize performance with expert solutions.
See Our Work
At 312Truck, we specialize in diesel engine repairs, offering a full range of maintenance and repair solutions for commercial trucks and fleets. From in-depth engine overhauls to DPF cleaning and turbocharger replacement, our expert technicians ensure your vehicles perform at their best. We combine advanced diagnostic tools with our years of experience to provide efficient, reliable services that minimize downtime and maximize performance.
Diesel engines are the heart of your truck, and keeping them in top condition is critical for reliability. Whether you require service for a minor issue or a complete engine failure, our specialized team delivers comprehensive diesel engine repairs to get you back on the road fast.
We handle:
Our commitment to quality ensures your engine operates smoothly, meeting the demands of heavy-duty usage.
Your truck’s turbocharger plays a vital role in delivering the power and efficiency you depend on. Over time, wear and tear can reduce its performance, leading to reduced fuel economy, power loss, or engine issues.
Our turbocharger replacement services include:
With precision replacements and expert care, we help restore the power and efficiency your commercial truck and fleet needs for long hauls and demanding jobs.
A clogged Diesel Particulate Filter (DPF) not only hampers your truck’s performance but it can also lead to costly downtime and regulatory penalties. Our DPF cleaning services are designed to remove soot and ash buildup, restoring your truck’s emissions system to peak efficiency and compliance.
Key benefits of our DPF cleaning services include:
We use advanced cleaning equipment to thoroughly clean and inspect your DPF, ensuring it functions like new.
At 312 Truck, we pride ourselves on delivering high-quality maintenance and repair services tailored to the needs of commercial trucks. Here’s what sets us apart:
Don’t let engine problems slow you down. Trust 312 Truck for expert diesel engine repairs, turbocharger replacements, and DPF cleaning to keep your commercial trucks and fleet performing their best.
Contact us today at (773) 221-8800 for a free estimate or to schedule your diesel maintenance appointment.
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Professional repair services for agricultural and farm vehicles. Maximize efficiency and uptime for tractors, harvesters, and more.
Maintenance and repairs for airport vehicles. Keep ground support equipment operational and reliable.
Reliable repair services for buses and public transport. Ensure safety, performance, and comfort for passengers.
Repairs and refinishing for construction vehicles. Extend the life of excavators, graders, and more with expert care.
Efficient repair and maintenance solutions for delivery vehicles. Keep your fleet reliable for on-time deliveries and smooth operations.
Critical repairs and maintenance for emergency vehicles. Ensure readiness and reliability for ambulances, fire trucks, and more.
Repair and customization services for food trucks. Enhance functionality and design to keep your mobile kitchen running smoothly.
Professional repairs and maintenance for garbage and waste removal trucks. Keep your fleet reliable and efficient for heavy-duty waste management tasks.
Precision repair and maintenance for military vehicles. Ensure operational readiness and durability for critical missions.
Expert repairs and upkeep for moving trucks. Ensure safety and dependability for every load and route.
Expert repair services for municipal and service vehicles. Maintain fleet performance for essential public operations.
Specialized repairs for oil and gas vehicles. Maintain performance and safety in demanding industry conditions.
Comprehensive repair and maintenance for semi-trucks. Optimize performance and reliability for long hauls.
Tailored repair and maintenance for tow trucks. Optimize performance and durability for heavy-duty recovery vehicles.
Custom repairs and maintenance for utility vehicles. Keep your fleet efficient and ready for any job.
"Our business turns old shipping containers into mobile bars and quick-serve restaurants—we needed a paint partner who understands precision. 312 Truck’s marine-grade coatings match our brand colors with a flawless finish every time. Their attention to detail exceeds our clients' high expectations."
"Our garbage trucks endure a lot of wear and tear—from accident damage to rust buildup. 312 Truck handles everything from structural repairs to repainting and de-branding before resale. Their expertise in durable, wear-resistant coatings keeps our fleet looking sharp against the elements."
"312 Truck has been a reliable partner for our vehicle maintenance centers in the Midwest. Their team has helped with everything from Promaster vans to full-size trailers. One of the key reasons we continue to trust them is their excellent communication—keeping us informed throughout."
"Although we handle minor collision work in-house, when it comes to paint, 312 Truck is our go-to. Their pricing is among the most competitive in the Chicagoland area—often half of what others charge—while still delivering high-quality results. They’ve been a valuable extension of our team."
"Every off-season, we turn to 312 to refresh our fleet. They sandblast and repaint dozens of frames, trailers, and specialty paving equipment so everything is ready to hit the road again. Their speed and consistency have never let us down, and the quality of work speaks for itself."
"Keeping our fleet in top shape is a priority, and we need a partner that operates with speed and efficiency. 312 Truck has been instrumental in helping maintain our delivery vehicles—everything from mechanical work to heavy collision and cosmetic repairs for hundreds of our units every year."
"For over 20 years, the Patel family has worked alongside Enterprise Rentals, managing thousands of repairs of all sizes. Their deep knowledge of the collision industry—especially fleet-specific repairs—makes them a trusted resource in keeping our vehicles road-ready."
