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Steering Hydraulic Pump 708-1U-00163 708-1U-00161 For Komatsu WB93R-5 WB93R-8 WB97R WB97S-5E0 WB156-5 Backhoe Loaders

Steering Hydraulic Pump 708-1U-00163 708-1U-00161 For Komatsu WB93R-5 WB93R-8 WB97R WB97S-5E0 WB156-5 Backhoe Loaders

708-1U-00163 steering pump

708-1U-00162

Komatsu WB93R-5 Steering Pump

Place of Origin:

China

Brand Name:

CAVOYD

Certification:

ISO90001

Model Number:

WB93R WB93S WB97R WB97S

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Steering Hydraulic Pump 708-1U-00163 708-1U-00161 For Komatsu WB93R-5 WB93R-8 WB97R WB97S-5E0 WB156-5 Backhoe Loaders Steering Hydraulic Pump 708-1U-00163 708-1U-00161 For Komatsu WB93R-5 WB93R-8 WB97R WB97S-5E0 WB156-5 Backhoe Loaders Steering Hydraulic Pump 708-1U-00163 708-1U-00161 For Komatsu WB93R-5 WB93R-8 WB97R WB97S-5E0 WB156-5 Backhoe Loaders Steering Hydraulic Pump 708-1U-00163 708-1U-00161 For Komatsu WB93R-5 WB93R-8 WB97R WB97S-5E0 WB156-5 Backhoe Loaders Steering Hydraulic Pump 708-1U-00163 708-1U-00161 For Komatsu WB93R-5 WB93R-8 WB97R WB97S-5E0 WB156-5 Backhoe Loaders Steering Hydraulic Pump 708-1U-00163 708-1U-00161 For Komatsu WB93R-5 WB93R-8 WB97R WB97S-5E0 WB156-5 Backhoe Loaders
Product Details
Product Name:
Hydraulic Pump Assembly
Part No:
708-1U-00160 708-1U-00163 708-1U-00161
Condition:
New / Rebuilt
Payment Terms:
Western Union, T/T, Assurance
Packaging Details:
Wooden Case / Cartonwith Foam Protection, Or As Required
Transportation Method:
DHL, UPS, FedEx, Sea Freight
Warranty:
6 Months
Highlight:

708-1U-00163 steering pump

,

708-1U-00162

,

Komatsu WB93R-5 Steering Pump

Payment & Shipping Terms
Minimum Order Quantity
1 set
Price
Negotiable
Packaging Details
Wooden Case / Carton with Foam Protection, or as Required
Delivery Time
3-7 Weekdays
Payment Terms
T/T
Supply Ability
100pcs/day
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CONTACT US
86--18127821703
280835749@qq.com
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Product Description
Steering Hydraulic Pump Part Numbers 708-1U-00163, 708-1U-00161, 708-1U-00162
Compatible with Komatsu WB93R-5, WB93R-8, WB97R, WB97S-5E0, WB146-5, WB156-5 series backhoe loaders
Common Axial-Piston Main Pump Failure Modes
Most axial-piston main pump failures result from gradual wear and contamination rather than catastrophic failure:
  • Internal Leakage: Wear of cylinder block, port plate, or pistons causing flow and pressure drop - results in sluggish, weak, or jerky machine movement
  • Oil Contamination: The primary cause of failure - leads to scoring or seizure of pistons, swashplate, and port plate; often due to neglected filter maintenance and poor oil quality management
  • Air Ingress/Suction Leaks: Causes loud noise, cavitation, and milky oil appearance
  • Aged Seals: Worn shaft seals and O-rings result in external leakage
  • Worn Bearings: Produces abnormal noise and shaft play
  • Control Mechanism Failure: Malfunction of variable-displacement mechanism or PC (power/torque) control valve prevents pressure buildup and causes abnormal displacement - many "dead pumps" actually suffer from this issue
Steering hydraulic pump component diagram showing internal parts and assembly Close-up view of hydraulic pump pistons and port plate assembly
Tags：

excavator hydraulic pump

bulldozer hydraulic pump

wheel loader hydraulic pump

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Guangzhou Kawo Construction Machinery Co.,Ltd.
With 20 years of professional experience in construction machinery hydraulics, CAVOYD focuses on hydraulic spare parts supply and remanufacturing for excavators, bulldozers and loaders. We mainly supply hydraulic pumps, control valves, swing assemblies, travel assemblies, fan pumps and fan motors. Our parts fit Caterpillar, Komatsu, Volvo, Hitachi, Kobelco, Sany, Doosan and other mainstream brands. We provide high-quality new parts and precision remanufactured parts, serving global clients wit
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