This is a NEW hydraulic pump used on John Deere modlel 24 skidloader before serial number 001095 and on model 170 before serial number 000373. It replaces John Deere part number GG170-20271.
This is not an actual picture. The pump shaft is not splined. It has a 11/16 inch diameter keyed shaft. The pump for the later serial number machines is identical except for the shaft.