When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
The 46RE behind the 5.9L and 44-RE / 42-RE behind the 5.2L and 3.9L is a hydraulic with electrical assist, whereas the 45RFE and 545RFE transmissions on the back of the 4.7L motors are electrical.