Fill level for ford 601 work master hydraulics

[Cody876]

I am trying to figure out how I know my hydraulic fluid level I have no dipstick and I can’t find a check plug any help

 

[ROUSTABOUT]

I don't have one of those tractors here. They are down the road from me. Is it select o drive or standard?

 

[newbury]

I just went through a similar problem a while back. Can you access the fill hole easily?
I ended up sticking a wooden dowel down and measuring that way.