HP051B678 Pump for XCMG QY50K
For procurement teams: Confirm whether the old label says HP051 or HP51 and photograph every port.
Where It Works
Every section of this pump can feed a different crane circuit, so the full code and section order are essential.
Before You Quote
Full pump code
Section sequence
Rotation and shaft
Port orientation
Mounting flange
Failure Pattern and Root Cause
One weak function may relate to one section, but relief valves and actuators must be tested.
Installation Outcome to Verify
Flush, prime all sections and start unloaded; check each circuit separately.
Explore Related Parts
XCMG QY50K Hydraulic Pump 803000260 · XCMG Balance Valve 803001825
Questions from Maintenance Teams
Does the leading zero matter?
Record the label exactly.
Can sections be reordered?
No. Match the original build.
What causes cavitation?
Suction restriction or air entry.
Ports are capped and shaft secured in a crate.
