Hi everyone, I'm looking for a front hydraulic block that I can install on a L1-R28 kabota. This tractor did not come out with one and it has had a fel installed. The pump has no relief valve protection when the hydraulic lines to he loader are parted. ie: quick coupler popped apart with engine running resulting in a destroyed hydraulic pump. Front hydraulic block with relief valve would have prevented that. Any help or suggestions will be appreciated.