Massey Ferguson A.6X.28 – Implement/Hydraulic Control Module or Transmission ECU: External Hydraulic Valve 6 Issue
Issue description
Indicates a fault or connection problem within the tractor's external hydraulic remote valve system, specifically isolating the issue to Valve #6.
Applies to these machines
40 machines- 5710SL
- 5711SL
- 5712SL
- 5713SL
- T4
- 4707
- 4708
- 4709
- 4710
- 5608
- 5609
- 5610
- 5611
- 5612
- 5613
- 7614
- 7615
- 7616
- 7618
- 7619
- 7620
- 7622
- 7624
- 7626
- 7714
- 7715
- 7715S
- 7716
- 7716S
- 7718
- 7718S
- 7719
- 7720
- 7720S
- 7722
- 7722S
- 7724
- 7724S
- 7726
- 7726S
Check the cause
Retrieve and verify the exact alphanumeric code (e.g., 0A.60.28) using a compatible Massey Ferguson diagnostic tool
Inspect electrical connections at Valve 6 for damaged pins, frayed wires, or loose connectors
Check the hydraulic reservoir fluid level and inspect for any external leaks around the valve block
Repair steps
Relieve System Pressure
Lower all implements. Pump out the hydraulic reservoir through the valve by pulling the lever up (have a large bucket ready) or use the system's pressure relief method.
Disconnect Electricals
Unplug the wiring harness connected to External Hydraulic Valve 6.
Remove Hydraulic Lines
Disconnect the hydraulic hoses from the valve block.
Remove the Valve
Unbolt the external hydraulic valve assembly from the lift cover/hydraulic block.
Replace Seals/Valve
Replace the faulty valve or rebuild it. Always replace the O-rings (e.g., the hydraulic oil pipe to lift cover O-ring).
Reinstall
Mount the new valve, reconnect the hydraulic hoses using the proper connector kits, and plug in the electrical harness.
Refill and Clear
Refill the hydraulic reservoir, bleed the system if necessary, and use a diagnostic tool to clear the DTC.
Parts you might need
(8)External Hydraulic Valve (Generic)
Specific OEM part numbers vary heavily by the tractor's exact hydraulic configuration (e.g., single spool vs. double acting).
O-ring (Hydraulic oil pipe to lift cover)
195561M1Size: 9.5 x 1.6 mm
Hose Connector Kit (for external hydraulic valve)
H10167Hydraulic Diverter Valve
357018AExternal Hydraulic Valve Kit (Single spool, double acting)
TS3200MAftermarket/Tisco kit used for conversions
Quick Couplers - Female body half
8250-41/2" NPT
Quick Couplers - Male tip half
8010-15Quick Couplers - Female body half
8250-153/4"-16 SAE
Get help to fix this fault by requesting a quote