John Deere OEM Equivalent – Direct Fit
✅ Direct Fit Confirmation: COGENG AT310586 is manufactured as a direct replacement for John Deere AT310586. No modifications, adapters, or wiring changes are required.
Application – Which Machines Use This Valve?
This solenoid valve is commonly found on John Deere and Hitachi excavators (due to the John Deere-Hitachi joint venture), specifically in the pilot control manifold.
⚠️ Always verify with your machine serial number range. The same valve may be used across multiple model years but check specific hydraulic schematic.
Installation decomposition diagramPre-Installation Checks
Verify correct voltage specification for your equipment
Check electrical connector for corrosion or damage
Inspect hydraulic ports and threads
Ensure work area is clean and dry
Removal of Old Valve
Disconnect battery negative terminal
Label and disconnect electrical connector
Depressurize hydraulic system
Carefully remove old solenoid valve
Installation Steps
Clean mounting surface and port connections
Apply appropriate thread sealant
Install new solenoid valve and torque to specifications
Connect electrical connector securely
Reconnect battery terminal
Post-Installation Testing
Check for hydraulic leaks
Verify proper electrical operation
Test valve function through complete cycle
Monitor performance during initial operation
Torque Specifications:
Mounting threads: 35-40 Nm (26-30 ft-lbs)
Port connections: 20-25 Nm (15-18 ft-lbs)
Electrical connector: Hand-tighten until click
Frequently Asked Questions
A. When will get the items after I place order?
Q. Once your payment is confirmed,we will arrange the goods within 1~4 days; if not in stock, we will inform you before placing the order?
A. If I only know the excavator model, but can not offer parts No.,what should I do ?
Q. If possible, you can send us pictures of old products, nameplate or the size for reference.
A. How can you guarantee the quality??
Q. We will 100% test the goods before delivery. We also support video inspection.
A. How long will it take to delivery to my address??
Q. The normal delivery time is 3-7 days, depending on which country you are in.?
A : Which delivery method will you choose?
Q : By sea, air or express(DHL,Fedex,TNT, UPS, EMS etc.)，Sometimes we will arrange as the customer's demand.
A: What's package? Can you give me the package according my requirement??
Q. We usually packed by standard exported box or carton. And yes we can pack as per your requirement.
A: Can the price be cheaper?
Q: Of course, you will be offered a good discount for a big amount.
A: Why should I choose to buy from you?
Q:Our advantages: 100% quality assurance, develop and manufature follow original ones;Quick response within 24 hours; Small order allowed;Reasonable stock and timely delivery;Neutral packing, customized packing are allowed. Positive customer feedback from abroad market;Excellent after-sales service.
A : Which payment terms can you accept?
Q : Paypal. Western Union, Bank Transfer, T/T...
Contact COGENG
📞 Phone: +86-185-2913-1515 🌐 Instagram
📧 Email: hugo@cogeng.net 🌐 Facebook：Excavator Parts Selection and Replacement Community
💬 WhatsApp +86-185-2913-1515 Facebook: Excavator Wiring Harness
💬 WeChat: +86-185-7865-1106 Facebook: Excavator Wire Harness
🌐 Website: cogeng.net Facebook: Excavator SolenoidValve
#ExcavatorWiringHarness #ExcavatorThrottleMotor #ExcavatorSolenoidValve #ExcavatorSealKit
