EconoMax® 66RFE Transmission w/ Torque Converter (550HP)

Introduction:      Back by popular demand is our EconoMax® series of our 66RFE transmission lineup. The 66RFE is easily one of the most problematic and untrustworthy transmissions that currently plagues the diesel truck world. It is a promising source of overdrive failure, broken input shafts and crossleaking valve bodies to say the very least. We even did a full-length technical publication on the 66RFE, it’s problems and it’s solutions. You can read more here: >>> Transmissions 101: 68RFE Transmission • Problems & Solutions      Fortunately, we have gone back to the drawing board in the interest of creating a product that was affordable and practical while maintaining all of the necessary updates and improvements to live the longest life possible; a "once and done" transmission. The result was our incredibly long-lasting and crisp-shifting EconoMax® 66RFE Transmission.   Note: This is a complete transmission, not a rebuild kit. If you would like to build this transmissi