ATSG 68RFE MANUAL Transmission Technical Manual 68RFE 200718

Beginning at the start of production for the 2006 model year, Chrysler Corporation introduced a new version of the 5/45RFE transmission found in Dodge Ram trucks. This ATSG Technical Manual on the 68RFE explains that this unit features:

• 6 forward speeds
• Torque rating of 8
• Rear-wheel drive configuration
• Fully electronic control

The 68RFE transmission is a sophisticated, multi-range, electronically controlled transmission that combines:

• Optimized gear ratios for responsive performance
• Improved efficiency features
• Low NVH (Noise, Vibration, Harshness)
• Driver adaptive shifting
• Three 6-pinion planetary gear sets for wide ratio capability and precise ratio steps

Several engineering changes have been made to the gear train to enhance durability and reliability.