400914-00366B is the complete hydraulic main pump assembly matched for Doosan large crawler excavators, core model Rexroth A8VO225 swashplate double axial piston pump, OEM interchangeable part number 400914-00366 / 400914-00366A / 90720897.
This dual pump supplies stable hydraulic power for digging, lifting, traveling and rotation system of 50-ton class excavators, strictly manufactured following original mounting dimensions, plug-and-play installation without modification.
Q1: Can this pump fully replace the original Doosan pump?
A: Yes, all mounting flange, spline shaft, oil port position and control valve parameters are consistent with OEM, direct replacement without any modification.
Q2: Can you supply pump repair kits together?
A: We support matching complete rebuild kits (cylinder block, piston shoe, valve plate, seals) for 400914-00366B, one-stop spare parts supply.
Q3: What’s the warranty coverage?
A: 12-month warranty for brand new pump, exclude damage caused by dirty hydraulic oil, improper installation or overloading.
Q4: Support mixed order with other hydraulic spare parts?
A: Yes, we support mixing hydraulic pump, swing motor, travel motor, hydraulic valve, seal kits in one shipment.
