Trannies: Granny

: 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

: Heavy-duty gearboxes frequently used in Ford and International Harvester trucks. New Process 435 (NP435) granny trannies

: 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: : Renowned for having one of the lowest first gears (7

These transmissions were staples in 20th-century pickup trucks and are now highly sought after for off-road Jeep conversions: Muncie SM420 granny trannies