The 42RLE is a four-speed transmission that operates as a conventional hydraulic/mechanical assembly. It is controlled by adaptive electronic controls and monitors. The hydraulic system of the transmission includes the transmission fluid, fluid passages, hydraulic valves, and various line pressure control components.
The transmission features an input clutch assembly that houses the underdrive, overdrive, and reverse clutches. Additionally, it utilizes separate holding clutches for 2nd/4th gear and Low/Reverse. The primary mechanical components of the transmission include:
