Semi Truck Transmission Repair in Jonestown, PA

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Blatt & Tillett provides professional semi truck transmission repair services in Jonestown, PA for owner-operators, commercial drivers, and fleet vehicles throughout Central Pennsylvania. Transmission systems are essential for maintaining power delivery, shifting performance, fuel efficiency, and overall drivability in heavy-duty commercial trucks. Transmission issues can quickly lead to reduced performance, unexpected breakdowns, and costly downtime if left unresolved. Our experienced heavy-duty technicians diagnose and repair transmission problems affecting semi trucks and trailers, delivering dependable repair solutions designed to restore performance and keep commercial vehicles operating efficiently under demanding driving conditions.

Complete Semi Truck Suspension Repair Services

Why Choose Blatt & Tillett

Blatt & Tillett has built a strong reputation throughout Central Pennsylvania for dependable semi truck repair, heavy-duty roadside service, and commercial fleet support. Our experienced technicians understand the demands placed on commercial vehicles and work quickly to identify problems, reduce downtime, and deliver long-lasting repairs. We combine advanced diagnostic equipment, quality workmanship, and 24/7 emergency response to support owner-operators, commercial drivers, and fleet managers across the region.
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Our Semi Truck Repair & Heavy Duty Service Gallery

Browse real examples of our semi truck repair, heavy-duty towing, roadside assistance, fleet maintenance, and commercial truck services throughout Jonestown, PA and surrounding areas.

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24/7 Emergency Roadside Assistance

Blatt & Tillett provides fast emergency roadside assistance for semi trucks and commercial vehicles throughout Jonestown, PA and nearby service areas. Our mobile technicians respond quickly to breakdowns, mechanical failures, electrical issues, tire problems, and other roadside emergencies to help drivers return safely to the road.

Serving Central Pennsylvania

Blatt & Tillett proudly provides heavy-duty truck repair, roadside assistance, towing, and fleet maintenance services throughout:
  • Lebanon
  • Hershey
  • Myerstown
  • Palmyra
  • Elizabethtown
  • Middletown
  • Annville
  • Lititz
  • Mount Joy
  • Harrisburg
  • Mechanicsburg
  • Carlisle
  • Camp Hill
  • Lower Paxton
  • Enola

Frequently Asked Questions

Do you repair both manual and automatic truck transmissions?

Yes. We service manual, automated manual (AMT), and automatic heavy-duty transmissions, including Eaton Fuller, Detroit DT12, Allison, Volvo I-Shift, and Mack mDRIVE units.

What are the signs of a failing truck transmission?

Hard or missed shifts, slipping, grinding, difficulty engaging gears, fluid leaks, overheating, and warning lights are common signs. Have it checked at 717-865-2388 before it leaves you stranded.

Do you repair or replace rear ends and differentials?

Yes. Along with transmissions we repair drivelines, rear ends, differentials, and U-joints, since these often wear together on high-mileage trucks.

Can you diagnose AMT and automated transmission faults?

Yes. We use professional diagnostic software to read transmission control module codes, test clutch actuators and sensors, and pinpoint shifting problems on automated and automatic units.

Do you rebuild transmissions or only replace them?

We do both. Depending on the damage and your budget, we can rebuild your existing transmission or install a remanufactured or new unit, and we will explain the trade-offs first.

How long does a transmission repair take?

Clutch and minor repairs are often completed in a day, while a full rebuild or replacement takes longer depending on parts. We provide a clear time estimate after diagnosis.

Do you offer mobile transmission service?

We diagnose and handle many clutch and linkage issues on the road 24/7, but major transmission rebuilds are completed in our Jonestown shop. Call 717-865-2388 to arrange service or a tow.

What payment methods do you accept?

We accept EFS, T-Chek, ComData, WEX, Fleet One, all major credit cards, and cash.

Truck driver making call to dispatch

Trusted by Commercial Drivers Across Central Pennsylvania

Commercial drivers and fleet operators trust Blatt & Tillett for dependable semi truck repair, heavy-duty towing, emergency roadside assistance, and professional fleet support backed by responsive customer service.

Semi Truck Brands We Service

Our experienced heavy-duty technicians service a wide range of commercial truck and diesel engine brands, including:
Call Us Now (717) 865-2388