Fleet Transmission Services
Specialty services for Portland’s commercial fleets include heavy-duty and diesel transmission repairs for towing, hauling, and industrial vehicles. Whether it’s fleet maintenance, warranty work, pre-purchase inspections, or work-truck rebuilds, our experts deliver reliable, on-time solutions.
Schedule an appointmentAbout the service
Industry-grade transmission solutions for commercial fleets, heavy-duty trucks, and specialty vehicles across Portland and beyond. Expert technicians perform comprehensive diagnostics, precision rebuilds, and preventive maintenance aiming to make vehicles stronger than stock and maximizing reliability.
What does the services includes?
Each service engagement begins with a comprehensive computerized diagnostic, pinpointing issues such as slipping, leaks, clutch wear, or torque converter faults. From there, you’ll receive:
- Fleet Transmission Repair & Warranty Work: Scheduled maintenance and factory-spec overhauls for service vans, box trucks, and fleets
- Diesel Truck Overhauls & Rebuilds: Full teardown, parts replacement, billet-component upgrades and torque-converter upgrades for heavy loads
- Converter Services: High-stall/low-stall torque-converter tuning, and reinforced clutches
- Pre-Purchase Inspections & Leak Diagnostics: Computerized condition reports and precise leak-location testing
- Automatic Clutch Servicing: Expert repair, calibration, and control-module programming
- Work-Truck Rebuilds: Automatic system rebuilds
Frequently Asked Questions
Transparency and clarity are key at Trans Medic. Below, you’ll find answers to our most common transmission service questions—if you need more detail, just reach out to our Portland team.
Do you offer free transmission diagnosis?
Yes. We provide complimentary multi-point inspections for customers considering repairs or rebuilds. Our technicians check fluid condition, look for leaks, test line pressure, and scan electronic controls—so you’ll know exactly what your transmission needs before you commit.
What payment methods do you accept?
We accept all major credit cards (Visa, MasterCard, American Express, Discover), debit cards, and cash. Checks are accepted on a limited basis.
How much time does a transmission service take?
A standard transmission service is completed within one business day. During this process, we drain old fluid, replace the filter, refill with fresh fluid, and perform a thorough inspection to ensure smooth operation.
How much time does a transmission repair or rebuild take?
Transmission repairs and rebuilds generally require 2–5 business days, depending on parts availability and the extent of needed repairs. We’ll provide regular updates and work diligently to return your vehicle as quickly as possible.
What are your operating hours?
Monday–Friday: 7:30 AM – 4:30 PM
Saturday & Sunday: Closed
Feel free to book an appointment online or call (503) 667-8242 for same-day availability.
