may I ask is the solenoid valve which how many do you have, I am not familar with the brand or model but internally there is a spool valve within the manifold

i am trulely sorry the term hydrostatic and the other terms to other laymen I appologise

hello i have a simular problem ransom 213 highway 1995 when i depress the pedal it groans and barely moves both forward and reverce the same i fitted seals in the wheel motors ihad the pump off it looks finethe oil was contaminated i think theres a valve stuck somewhere is it worth anything for parts engine is good