We build truck transmissions for ultimate performance, efficiency and driver comfort on the road and at the work site.
Take on the most extreme work sites with the Detroit® DT12® Vocational Series transmissions, available in Western Star® X-Series trucks and select Freightliner® trucks.
Learn More
Get cutting-edge performance and efficiency on the road with the Detroit® DT12® On-Highway Series of automated manual transmissions.
Learn More