makody2002
New member
Doe's anyone know of a video or manual with pictures and info of how to rebuild a main hydraulic pump on a 70 4020 thanks
The radial closed Center hydraulic pump series has it's own manual.JD 4020 service manual will have a detailed description on hyd pump repair.
I thought you were gone hunting Bambi . Are you stating that theThe radial closed Center hydraulic pump series has it's own manual.