SPECIALIZING IN FOREIGN & DOMESTIC AUTOMATIC AND STANDARD TRANSMISSION

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Specializing In Transmissions Both Foreign & Domestic, Automatic & Standard, In Hermiston, Oregon

Man Checking Car Engine — Hermiston, OR — Pioneer Transmission Service Inc
Person Diagnosing Car Status — Hermiston, OR — Pioneer Transmission Service Inc
Person Checking Engine Status — Hermiston, OR — Pioneer Transmission Service Inc
Auto Repair Shop — Hermiston, OR — Pioneer Transmission Service Inc

Your Local One-stop Shop

From clutch repair to transmission rebuilding, call Pioneer Transmission for all your automotive transmission servicing and repair!


Our automotive experts have 50 years of combined experience in the industry and are trained to provide you with the automotive transmission, transfer case and clutch repairs and service you require. We proudly service Hermiston, Pendleton, Umatilla Oregon and surrounding areas and we are always sure to provide the highest level of customer service.



Our staff is ready to serve you with the best automotive repairs and services for cars, trucks and vans. We are trained and skilled professionals who have the experience to provide services of the highest standard. We are dedicated to making every customer’s visit one that ensures their satisfaction with our work and give them the automotive services their vehicle requires.

We invite you to browse our site for more information on our services:

Automatic Transmissions

Computer Diagnostics

Repair For Cars, Trucks, RVs and 4x4s

Standard (Manual) Transmissions

Contact us directly if you would like to make an appointment.

  • Person Fixing Car Engine — Hermiston, OR — Pioneer Transmission Service Inc

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- Tim K.
"Met with Mark the owner the day before to schedule an appointment and ask him to handle a few other tasks on my truck besides the transmission and he said NO PROBLEM! I showed up the next day and the truck was done within a few hours! Professional, Courteous, Well Kept Shop. I highly recommend them!"
- Matthew F.
"I had a transmission and transfer case rebuilt for my 1975 Scout II. The guys worked with me on my project and stood behind their work 110%. There was no 'warranty' written by a lawyer, they simply stood behind it... the way a hometown shop is supposed to work. Can't recommend them enough. A+"
- Brenda M.
"Absolutely the best service around by a couple of honest guys!"