XCMG QY70K Steering Pump 805000458
Steering complaints affect transport safety, so pump replacement should follow pressure and flow testing.
| Customer priority | Buyers need exact rotation, drive shaft and port orientation—not only part number 805000458. |
| Evidence needed | Part 805000458 Pump maker/model code Rotation and shaft Port orientation Carrier serial number
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Diagnosis Before Replacement
Heavy steering may come from suction air, priority valve, steering gear or cylinders rather than the pump.
Fit, Test and Handover
Prime, align the drive and bleed the circuit. Check assist both directions, noise, temperature and leakage.
Useful Internal References
XCMG Steering Pump 803000458 · XCMG QY50K Hydraulic Pump 803000260
FAQ
Does heavy steering prove pump wear?
No. Test the full circuit.
Can 803000458 replace it?
Compare the complete pump code and interfaces.
Why bleed carefully?
Air causes noise and poor assist.
Export preparation: Ports and shaft are sealed and braced.
