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Home > Products > Hydraulic Control Valve >
D31 D39 D51 Komatsu Bulldozers Hydraulic Control Valve Assemblies 723-12-12201 723-15-13200 723-14-14300

D31 D39 D51 Komatsu Bulldozers Hydraulic Control Valve Assemblies 723-12-12201 723-15-13200 723-14-14300

723-12-12201

Main Control Valve For Komatsu D31

723-12-12201 main control valve

Place of Origin:

China

Brand Name:

CAVOYD

Certification:

ISO90001

Model Number:

D31、D39、D51

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D31 D39 D51 Komatsu Bulldozers Hydraulic Control Valve Assemblies 723-12-12201 723-15-13200 723-14-14300 D31 D39 D51 Komatsu Bulldozers Hydraulic Control Valve Assemblies 723-12-12201 723-15-13200 723-14-14300 D31 D39 D51 Komatsu Bulldozers Hydraulic Control Valve Assemblies 723-12-12201 723-15-13200 723-14-14300 D31 D39 D51 Komatsu Bulldozers Hydraulic Control Valve Assemblies 723-12-12201 723-15-13200 723-14-14300 D31 D39 D51 Komatsu Bulldozers Hydraulic Control Valve Assemblies 723-12-12201 723-15-13200 723-14-14300 D31 D39 D51 Komatsu Bulldozers Hydraulic Control Valve Assemblies 723-12-12201 723-15-13200 723-14-14300
Product Details
Part No:
723-12-12201 723-15-13200 723-14-14300
Packaging Details:
Wooden Case / Cartonwith Foam Protection, Or As Required
Warranty:
6 Months
Transportation Method:
DHL, UPS, FedEx, Sea Freight
Payment Terms:
Western Union, T/T, Assurance
Condition:
New / Rebuilt
Product Name:
Bulldozer Control Valve
Highlight:

723-12-12201

,

Main Control Valve For Komatsu D31

,

723-12-12201 main control valve

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
Komatsu Bulldozers D31 D39 D51 Hydraulic Control Valve Assemblies
Common Faults & Troubleshooting
Specific action is weak / not working: Stuck spool in that section, spool/sleeve wear causing internal leakage, damaged O-rings. First measure the outlet pressure of that section to diagnose.
All actions are weak: Usually caused by insufficient main pump pressure or a failed main Relief Valve pressure setting. Check system pressure first before disassembling the valve.
Erratic / jittery movement: Stuck spool, fatigued springs, unstable pilot control pressure, contaminated oil.
Oil leakage: Aged O-rings on valve body joints and spool seals, causing external seepage or internal leakage.
High oil temperature: Excessive internal leakage in the valve group, abnormal throttling.
Repair & Purchasing Recommendations
  • Minor faults: Clean the spool, replace the O-ring seal kit, lap the spool.
  • Scored spool / worn sleeve: Replace the spool parts or the complete valve assembly.
  • When ordering: Confirm the specific sub-model and the original old part number.
Komatsu bulldozer hydraulic control valve assembly diagram
Tags：

main control valve

komatsu control valve

control valve assembly

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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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