This is 3 Spool Valve from Parker. This valve is use to run the hydraulic wheel
lift functions on many Century and Challenger Wreckers. See related schematics
to ensure fitment.
This valve features 2 "D" spools followed by 1 "C" spool, making the last
function of the valve different then the first 2 functions. Commonly found on
heavy duty wreckers
