: These units are known for being massive, heavy, and extremely strong compared to standard passenger transmissions. Popular Models
: The term has appeared in music titles, such as the 2015 EP "Attack Of The Granny Trannies" by Iron Octomoms. ATTACK OF THE GRANNY TRANNIES (TAHRC-075) granny trannies
: A later, slightly larger version commonly found in GM trucks from the late 60s through the early 90s. BorgWarner T18/T19 : These units are known for being massive,
: Another legendary "granny" box favored by Ford and Dodge enthusiasts for its 6.68:1 first gear. Other Contexts The phrase occasionally appears in other niche areas: granny trannies
: Heavy-duty gearboxes frequently used in Ford and International Harvester trucks. New Process 435 (NP435)