massey ferguson 180 hydraulic pump

[Tractor1955]

I have a Massey Ferguson 180 that i need to repair or replace the hydraulic pump on i see pumps for sale on the internet from $250 to $700 and repair kits for $200 trying to decide which way to go.Has anyone had any experience with these pumps or with any suppliers or brands of pumps that are good would i be better off rebuilding the pump i have its to much work splitting this tractor to not use good parts to repair it Any advise i can get would be appreciated