Asian Tranny 2009 < Mobile COMPLETE >
: Massive internal components and a high-capacity oil cooler make it nearly bulletproof for commercial towing.
: Known for a "seamless" feel where the torque converter locks up in almost every gear to reduce heat and improve efficiency. Pro/Con Analysis ✅ The Good
In 2009, the Aisin 6-speed automatic (AS68RC) became the gold standard for heavy-duty hauling, specifically paired with the . It was designed to handle higher torque loads than the standard Chrysler-built transmissions of the era. Cummins Diesel Forum Key Performance Specs asian tranny 2009
: Excellent thermal management compared to the older 48RE or 68RFE models.
: The external wiring harness between the transmission and its computer is poorly protected; if damaged by road debris, it can trigger "limp mode." : Massive internal components and a high-capacity oil
: Unlike domestic transmissions, the 2009 Aisin computer was difficult to reprogram, making it less ideal for hobbyists looking to add extreme aftermarket horsepower.
: Specifically engineered for the "High Output" Cummins engine, managing over 650 lb-ft of torque in 2009. It was designed to handle higher torque loads
: Engine braking integration is top-tier, providing stable descent when hauling heavy trailers. ❌ The Bad