National Transmission

National Transmission The service technicians at National Transmission have the training, diagnostic equipment, & tools to What does this mean for you? Now you can, too.

When it’s time to service or rebuild your hardworking transmission, it’s time to visit National Transmission, a leader in Alberta transmission service for over 34 years. We have a location in Lethbridge, Red Deer and Medicine Hat and three in Calgary. Simply put, it means we have the experience to take care of any transmission-related service, from low-tech to high-tech. Customers have trusted our

honest approach for decades. South Calgary
4701 MacLeod Tr. S
403-243-6114

Calgary NE
2432 23rd Ave. NE
403-291-1514

Calgary NW
402 14th St. NW
403-283-6615

Lethbridge
131 13th St.
403-320-0447

Medicine Hat
3271 Dunmore Road
403-526-6458

Medicine Hat
3271 Dunmore Rd.
403-341-7887

08/27/2026

This Temperature Means Pull Over Now

08/21/2026

Where’s Your Transmission Gauge?

Two heads, one problem, better outcome.
08/19/2026

Two heads, one problem, better outcome.

Ever wonder what actually connects your engine to your automatic transmission? 🤔 Meet the torque converte, the fluid cou...
08/14/2026

Ever wonder what actually connects your engine to your automatic transmission? 🤔 Meet the torque converte, the fluid coupling that transfers power so your vehicle can idle in gear without stalling. When it’s failing, you’ll feel shuddering or slipping. Spotting it early is what we do best!

Fully apart, and in good hands. Case, valve body, clutch packs. A proper rebuild means knowing every piece works togethe...
08/10/2026

Fully apart, and in good hands. Case, valve body, clutch packs. A proper rebuild means knowing every piece works together, not just swapping the unit.

Sometimes the fix starts with a listen. That’s a mechanics stethoscope, and it lets our tech pinpoint the exact source o...
08/05/2026

Sometimes the fix starts with a listen. That’s a mechanics stethoscope, and it lets our tech pinpoint the exact source of a noise instead of guessing at it.

Wrangler in the house! These jeeps are built to be driven hard, which means the transmission, transfer case and drivelin...
07/31/2026

Wrangler in the house! These jeeps are built to be driven hard, which means the transmission, transfer case and driveline earn every kilometre. Keeping yours shifting clean is what we do.

07/28/2026

Transmission Service vs. Flush: What’s the Difference?

Say hello to Troy. 😄 One of the people who keeps National Transmission running and your vehicle in good hands.
07/24/2026

Say hello to Troy. 😄 One of the people who keeps National Transmission running and your vehicle in good hands.

07/22/2026

It’s Not Just The Fluid… It’s the Filter

Address

5 Locations/find The Closest Location To You Via Our Website Below
Calgary, AB

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 7:30am - 12pm

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