Logo, National Transmission Inc. - Transmission Repair
5475 US Highway 6, Portage, IN 46368

About Us

Drive your car to National Transmission Inc. for all your transmission repair needs in the Portage, Indiana, area. Most extended warranties are honored by us, so we can solve your transmission problems.

Free Road Test

You never have to wonder if your transmission is back in working order. We always give your car a free road test.

Free Towing & Analysis

If your car is too broken to get to the shop, don’t worry! 24-hour emergency towing available. Towing is free with major repairs. Plus, we offer free computer analysis with all transmission repair work.

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Contact us in Portage, Indiana, to find out more about our transmission repair services.