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Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030
Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030
Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030
Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030
Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030
Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030
Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030
Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030
Specifications
Price :
Negotiable
Applicable Model :
E374F E390F
MOQ :
1 set
Place of Origin :
China
Packaging Details :
Dimension: L60×W60×H60 cm
Payment Terms :
Western Union, T/T, Assurance
Brand Name :
CAVOYD
Warranty :
6 Months
MOQ :
1 Set
Condition :
New / Rebuilt
Transportation Method :
DHL, UPS, FedEx, Sea Freight
Supply Ability :
300 Sets / Month
Delivery Time :
3-8 Working Days
Part No :
400914-00366 60008150 31KB-10030
Product Name :
Hydraulic Pump Assembly
Model Number :
DX500-9 DX520-9 DX530 SY485 SY550 R520LC-9 R550
Description
Product Overview

Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9, DX520-9, DX530 (400914-00366), Sany SY485, SY550 (60008150), and Hyundai R520LC-9, R550 (31KB-10030). Heavy duty construction for mining applications. New and remanufactured units are available.

Common Faults & Diagnostics
  • Insufficient pump pressure & slow operation — Wear of piston, cylinder block and valve plate, excessive internal leakage.
  • Weak operation & speed drop during combined movements — Worn servo valve (regulator), stuck load-sensing spool.
  • Abnormal noise from pump — Damaged bearing, insufficient oil suction, contaminated oil, air leakage on suction line.
  • Oil leakage from pump — Aged oil seal, damaged O-ring, casting porosity or scratched mating surface.
  • Rapid rise of hydraulic oil temperature — Severe internal leakage, faulty cooling circuit, failed swash plate control.
  • Engine stalling & speed drop — Over-high regulator pressure setting, overloaded pump output flow.
Maintenance Tips

Regular replacement of hydraulic oil and filter is recommended to keep oil clean. Check the oil circuit before installation to prevent debris from entering the pump.

Product Image
Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030


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Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030

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Product Detail
Price :
Negotiable
Applicable Model :
E374F E390F
MOQ :
1 set
Place of Origin :
China
Packaging Details :
Dimension: L60×W60×H60 cm
Payment Terms :
Western Union, T/T, Assurance
Contact Supplier
Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030
Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030
Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030
Excavator Rexroth A8VO225 Hydraulic Main Piston Pump for Doosan DX500-9 DX520-9 DX530 400914-00366 Sany SY485 SY550 60008150 Hyundai R520LC-9 R550 31KB-10030

Guangzhou Kawo Construction Machinery Co.,Ltd.

Verified Supplier
1 Years
guangdong, guangzhou
Since 2017
Business Type :
Trading Company, Manufacturer
Main Products :
Construction Hydraulic Pump, Excavator Hydraulic Pump, Hydraulic Control Valve
Total Annual :
$1 Million -US$5 Million
Employee Number :
80~100
Certification Level :
Verified Supplier
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