Twin Disc 8500 Transmission: Solenoid Valve Difference

In this video, our service technician, Johnny, details how to tell the difference between the on/off solenoid valve and the proportional solenoid valve on the Twin Disc 8500 series transmission. The details of these solenoid valves are:

On/Off solenoid valve - P/N 1018360A

Proportional solenoid valve - P/N 1018360