65RFE Transmission: Overview and Vehicle Applications

65RFE Transmission: A Comprehensive Guide

Introduction

The 65RFE is a six-speed automatic transmission developed by Chrysler and debuted in 2007. It’s designed for heavy-duty applications, particularly in pickup trucks and SUVs.

Technical Specifications

• Number of gears: 6
• Gear ratios:
• 1st: 4.71
• 2nd: 3.10
• 3rd: 1.89
• 4th: 1.29
• 5th: 1.00
• 6th: 0.67
• Reverse: 3.23
• Weight: 265 lbs
• Maximum torque capacity: 650 lb-ft

Key Features

• Optimized gear ratios for improved towing and hauling performance
• Torque converter lockup in all gears (except 1st) for increased fuel efficiency
• Electronic Shift Transfer (EST) system for smooth gear changes
• Adaptive transmission control module (TCM) for optimal performance in different driving conditions

Vehicle Applications

The 65RFE transmission has been used in a wide range of Chrysler-branded vehicles, including:

Dodge

• 2007-2009 Dodge Ram 1500
• 2008-2013 Dodge Ram 2500
• 2008-2013 Dodge Ram 3500
• 2007-2009 Dodge Durango

Jeep

• 2007-2010 Jeep Wrangler Unlimited
• 2007-2010 Jeep Patriot
• 2009-2018 Jeep Liberty 4×4

Chrysler

• 2009-2011 Chrysler Aspen

Reliability and Maintenance

The 65RFE transmission has generally been considered reliable. However, like any automotive component, it can experience problems. Some common issues include:

• Hard or delayed shifting
• Slipping gears
• Overheating

To ensure optimal performance and longevity, it’s crucial to follow the recommended maintenance schedule, including:

• Fluid changes every 30,000-50,000 miles
• Filter change every 60,000-80,000 miles
• Inspection and adjustments as required

Comparison to Other Transmissions

The 65RFE transmission can be compared to other heavy-duty transmissions in the market, such as the ZF 6HP28 and Aisin Warner AW60-40.

The 65RFE has a lower torque capacity than the ZF 6HP28 but offers better fuel efficiency due to its lockup torque converter. The AW60-40 is known for its durability and reliability but has less advanced features than the 65RFE.

Conclusion

The 65RFE transmission is a robust and reliable option for heavy-duty applications. It offers optimized gear ratios, torque converter lockup, and advanced control systems to enhance performance and efficiency. By following proper maintenance and servicing guidelines, users can ensure the longevity and optimal operation of this transmission.