Granny Trannies -
: The first gear ratio is exceptionally high (often around 6.5:1 or 7.0:1), providing immense torque for starting heavy loads or crawling over obstacles.
: 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
These transmissions were staples in 20th-century pickup trucks and are now highly sought after for off-road Jeep conversions: Muncie SM420 : The first gear ratio is exceptionally high (often around 6
: In daily driving, these are typically operated as three-speed transmissions. Drivers start in second gear because the "granny gear" is too low for normal acceleration and often requires the vehicle to be nearly stopped to engage. Drivers start in second gear because the "granny
: 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)
: Renowned for having one of the lowest first gears (7.05:1) and the shortest case length, making it ideal for short-wheelbase vehicles. Muncie SM465