How to determine if Yanmar 330D has power steering

[winston1]

Looks like Hoye has already done it. Hydraulic Adapter (to eliminate steel power steering lines): Yanmar Tractor Parts

 

[kenmac]

I never really looked at the system to figure out how it worked. I do know before I installed the loader (adding weight to the front) It was really too easy to steer. You could turn the steering wheel with your little finger.
It felt much better after adding loader