My pumps have not failed, there is normal wear at 6500 hours. There's nothing to clean up and no extra cost except the labour. A full rebuild means $10000-12000 of OEM parts, or more. I figure I can get away with $9000 in OEM parts, or less. The other option is $1300 in Chinese parts, or maybe...
Does anyone have experience with made in China hydraulic pump parts? I have a couple of Rexroth A4VG125 pumps that need rebuilding. An OEM cylinder block is pushing $2500 and Chinese manufacturers have them for under $200. I assume the heat-treating isn't the same, so one can't expect the same...