Hey there all ..Any one in Aus have the manuals for a BHB DirtDevil ...Have just replaced the two hydraulic wheel motors with a different series......The internal splines at the end of the original motor crankshafts were completley shot ....not repairable..... so I was off to the hydraulic shop for two new ones.....Thanks to me mate Greeny we were able to adapt two new motors ...slightly higher in ccs ....also dropped the relief cartridge pressure for a safety net ....The machine is in otherwise very good nick ....She pull the bend out of a river if you give her some puddin ....Mostly use it for stick raking and select clearing on small acreges...Anyway appreciate a reply ...Going to try posting some pics when the computer Guru gets home from school ..Rito All The Best to you ALL ........