Maintenance | Portage, IN - National Transmission Inc.
carr National Transmission, Inc.
National Transmission, Inc. building

Comprehensive car care

Caring for your car as if it were our own

Your car is one of your largest investments. Keep it running smoothly and safely through regular preventative maintenance. At National Transmission Inc. in Portage, IN, we make it easy and convenient to give your car the tender loving care it needs for a long, healthy life.

The National Transmission, Inc. difference

- Local ownership

- Superior customer service

- Commitment to quality

- Reliable and affordable

- Prompt and convenient service

- Expert technicians

- FREE computer diagnostics with repairs

- FREE towing with major repairs

Schedule your service


Take care of your vehicle's transmission and it will take care of you. We specialize in professional transmission repairs and maintenance services. Don't settle for less than the best - bring your car or truck in today.

Count on us to deliver superior quality and service. We offer FREE road tests.

Bring your car in today for the quality service it deserves.

National Transmission Inc. is the only name you need to know for car care in Portage, IN. Our vehicle maintenance services include oil changes, engine diagnostics, and more.