Home > Products > Hydraulic Main Pump >
Excavator Parts A10VO45DFLR 53R-VUC62N00 -S3042 R902502504 Hydraulic Piston Pumps OEM Brand Guangdong Origin for XE26 XE35

Excavator Parts A10VO45DFLR 53R-VUC62N00 -S3042 R902502504 Hydraulic Piston Pumps OEM Brand Guangdong Origin for XE26 XE35

Excavator hydraulic piston pumps OEM

A10VO45DFLR hydraulic main pump

XE26 XE35 excavator pump parts

Place of Origin:

China

Model Number:

A10VO45DFLR 53R

Chat Now
Request A Quote
Product Details
Packing:
Wooden Box
Highlight:

Excavator hydraulic piston pumps OEM

,

A10VO45DFLR hydraulic main pump

,

XE26 XE35 excavator pump parts

Payment & Shipping Terms
Minimum Order Quantity
1 Pc
Packaging Details
Carton
Delivery Time
7-15days
Payment Terms
T/T
Product Description

Excavator Parts A10VO45DFLR 53R-VUC62N00 -S3042 R902502504 Hydraulic Piston Pumps OEM Brand Guangdong Origin for XE26 XE35

Functioning as the key hydraulic power unit for excavator equipment, the main hydraulic pump is engine-driven to transform mechanical energy into high-pressure hydraulic power for system operation. By transmitting pressurized hydraulic fluid to hydraulic motor units, it enables all mechanical working motions of construction excavators. Most modern construction excavators are equipped with axial variable displacement piston pump systems. Medium and large excavator models utilize an integrated composite unit consisting of dual main pumps and a rear pilot gear pump. Two separate high-pressure oil delivery circuits supply fluid to the main control valve assembly, supporting flexible composite working actions with a rated working pressure ranging from 28MPa to 35MPa. The tail-mounted low-pressure pilot pump runs continuously at 3–4MPa with low flow volume, providing stable pilot pressure oil for joystick control and main valve spool modulation. Piston groups secured on the cylinder block and pump housing revolve alongside the main shaft, completing iterative oil suction and pressurization processes. Altering the inclination of the swash plate adjusts piston travel stroke, which modulates the pump’s effective displacement value. An external servo actuator regulates swash plate movement based on dynamic hydraulic feedback signals. Expanding the swash plate tilt angle improves fluid flow efficiency and machine operating speed, while narrowing the angle reduces fuel usage and prevents engine stalling during operation. The valve plate segregates low-pressure inlet passages and high-pressure outlet passages to realize accurate hydraulic oil distribution. Three integral control functions ensure the pump’s dependable operational stability. Constant power control intelligently decreases pump displacement under increased load conditions, protecting the engine system and boosting power utilization rates. The LS load-sensing system delivers variable fluid flow adapted to on-site working demands and maintains low idle displacement for fuel economy. The HP pressure limiting function suppresses excessive pump displacement at peak pressure levels, preventing burst damage to hydraulic pipelines and hydraulic cylinders. Common operational failures cover internal leakage induced by worn pistons, fractured valve plates or blocked regulator passages, resulting in sluggish machine movement and insufficient power output capacity. A stuck maximum-displacement regulator causes persistent engine overload, black smoke emission and sudden shutdown during heavy-duty construction. Severe internal oil leakage converts hydraulic pressure loss into thermal energy, triggering abnormal overheating of the hydraulic system. Air infiltration into hydraulic circuits, inadequate oil reserves, and damaged bearing or piston components generate abnormal operational noise. Daily maintenance protocols include regular replacement of hydraulic fluid and filter elements to preserve the integrity of precision internal pump parts. Maintaining airtight oil suction pipelines eliminates air ingestion and mechanical vibration, while keeping hydraulic fluid at standard levels ensures consistent pump working performance.
Machinery Test Report
Provided
Warranty
3 Months
Video outgoing-inspection
Provided Brand Name
OEM
Place of Origin
China Product Name
Hydraulic Pump
Model
A10VO45DFLR 53R MOQ
1 Piece
Quality
High-Quality
Delivery time
7-15 Days
Standard or Nonstandard
Standard
Application
Excavator Machinery
Size
Standard Size
Packing Wooden Box

Excavator Parts A10VO45DFLR 53R-VUC62N00 -S3042 R902502504 Hydraulic Piston Pumps OEM Brand Guangdong Origin for XE26 XE35 0Company Profile

Excavator Parts A10VO45DFLR 53R-VUC62N00 -S3042 R902502504 Hydraulic Piston Pumps OEM Brand Guangdong Origin for XE26 XE35 1

Excavator Parts A10VO45DFLR 53R-VUC62N00 -S3042 R902502504 Hydraulic Piston Pumps OEM Brand Guangdong Origin for XE26 XE35 2

Excavator Parts A10VO45DFLR 53R-VUC62N00 -S3042 R902502504 Hydraulic Piston Pumps OEM Brand Guangdong Origin for XE26 XE35 3

Send your inquiry directly to us

Privacy Policy China Good Quality Excavator Machinery Parts Supplier. Copyright © 2026 Lanzhou Fudong Guangqi Trading Co., Ltd . All Rights Reserved.