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The 47RE transmission is a robust and reliable automatic transmission designed and manufactured by Chrysler Corporation (now known as FCA US LLC). It belongs to the Aisin Warner family of transmissions and is primarily found in heavy-duty trucks, particularly in Dodge Ram trucks produced during the late 1990s and early 2000s.
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Known for its durability and smooth shifting, the 47RE transmission was designed to handle the demands of high-torque diesel engines commonly found in heavy-duty trucks. With its electronically controlled components, it offers precise and efficient gear changes, enhancing overall performance and fuel efficiency.
The "47" in its name represents the transmission series, and the "RE" stands for "rear-wheel-drive electronic." This signifies that it is electronically controlled and optimized for rear-wheel-drive applications.
This transmission features multiple gear ratios, including overdrive, which helps reduce engine RPM at highway speeds, contributing to improved fuel economy. Additionally, it incorporates a lock-up torque converter to enhance power transfer and minimize heat buildup during prolonged use.
Maintenance of the 47RE transmission typically involves periodic fluid changes and inspections, which can help extend its lifespan and ensure smooth operation over time. With proper care, the 47RE transmission has proven to be a dependable workhorse, capable of handling heavy loads and providing reliable performance for truck owners.
