Toyota Motor Manufacturing Alabama (TMMAL) is an engine plant in Huntsville, Madison County [1]. Approval was announced in February 2001 and the first engine was produced in April 2003. It was the first plant outside Japan to produce V8 engines for Toyota’s truck line and is the only Toyota factory assembling four-, six- and eight-cylinder engines in one facility.
| Location | Huntsville |
|---|---|
| Announced | February 2001 |
| First engine | April 2003 |
| Employees | About 1,200 |
| Capacity | About 750,000 engines |
| Size | 1.1 million square feet |
Growth
The initial 2003 investment was $220 million and 350 jobs, focused on V8 engines for trucks, with incentives valued at $29.9 million. In July 2003 Toyota added $20 million for V6 engines, and in 2004 it invested $250 million to add capacity for 150,000 V8 engines, raising employment to about 800. Four-cylinder engines for the Camry and RAV4 began in 2011, and a V6 line expansion in 2014 cost about $80 million and added 125 workers [1].
Today
Four production lines build engines for models including the Tundra, Sequoia, Highlander, Tacoma, RAV4 and Camry. The facility is non-unionized and is described as zero-waste-to-landfill and Energy Star certified [1]. See Madison County.
Engine plant
Toyota Motor Manufacturing Alabama is an engine assembly plant in Huntsville that produced its first engine in April 2003. It was initially built for V8 engines, V6 production was added in 2003 and four-cylinder production began in 2011.[2]
Investment and workforce
The initial investment was 0 million, followed by million for V6 production (2003), 0 million for V8 capacity (2004) and about million for a V6 line expansion (2014). Employment grew from 350 initially to about 1,200.[2]
Capacity
The 1.1-million-square-foot facility can build about 750,000 engines per year.[2]
Ownership and output
TMMAL is a subsidiary of Toyota Motor North America and Toyota Motor Corporation, making engines near Huntsville in a factory completed in 2003. It had about 2,400 employees in 2024 and built more than 895,000 engines that year.[3]
Engines and vehicles
The A25A-FXS inline-four (2018 onward) serves the Highlander, Sienna and Mazda CX-50; the M20A-FXS inline-four (2018 onward) serves the Corolla, Corolla Cross and RAV4; the V35A-FTS twin-turbo V6 (2021 onward) serves the Sequoia and Tundra; and the T24A-FTS turbo inline-four (2023 onward) serves the Tacoma.[3]
FAQs
When did it open? The first engine was built in April 2003.
How many workers? About 1,200.
Sources
- Encyclopedia of Alabama: Toyota Motor Manufacturing Alabama
- Encyclopedia of Alabama: Toyota Motor Manufacturing Alabama
- Wikipedia: Toyota Motor Manufacturing Alabama
More in Business & Economics
Key facts
- First engine 20031
Quick checkWhat does Toyota build in Huntsville?Show answer
Four-, six- and eight-cylinder engines.
Sources
- Encyclopedia of Alabama. Toyota Motor Manufacturing Alabama. n.d. (accessed 2026-11-10)
Editorially reviewed by Specialty Digest Editorial TeamLast reviewed November 10, 2026Researched and drafted with AI assistanceReport an issue