Massey Ferguson 0A.51.13: External Hydraulic Valve 5 Issue
Issue description
Indicates a fault or potential issue within the tractor's external hydraulic valve 5 circuit or its mechanical operation.
Applies to these machines
41 machines- 7724S
- 5712SL
- 7722
- 7722S
- 5713SL
- 7720S
- 7716
- 7718
- T4
- 7715
- 5710SL
- 7726
- 7726S
- 5711SL
- 7718S
- 7719
- 7714
- 7716S
- 7720
- Tier 4 (2015-2021)
- 7715S
- 7724
- 4707
- 4708
- 4709
- 4710
- 5608
- 5609
- 5610
- 5611
- 5612
- 5613
- 7614
- 7615
- 7616
- 7618
- 7619
- 7620
- 7622
- 7624
- 7626
Check the cause
Retrieve and verify active codes using a compatible Massey Ferguson diagnostic tool to confirm 0A.51.13 is present
Inspect the wiring harness, pins, and electrical connectors at External Hydraulic Valve 5 for corrosion, damage, or loose connections
Consult the specific tractor's service manual to perform pinpoint electrical tests on the valve's solenoid
Repair steps
Connect a diagnostic tool to verify the fault code.
Locate External Hydraulic Valve 5 on the rear remote valve stack.
Inspect and clean the electrical connector and wiring harness leading to the valve.
Repair any broken wires or replace damaged connector pins.
If the wiring is intact and the code persists, the internal solenoid or spool valve has failed and the External Hydraulic Spool Valve assembly must be replaced.
Clear the DTCs using the diagnostic tool after the repair is complete.
Parts you might need
(7)Rexroth Hydraulic Electric Spool Valve (4-Pin)
3797234M6Fits 6600 and 7600 series (e.g., 7620, 7622, 7624, 7626)
Hydraulic Auxiliary Spool Valve (with load sensing)
3108256M1Hydraulic Auxiliary Spool Valve (with load sensing)
3796083M3Hydraulic Spool Valve
3795751M3Hydraulic Spool Valve Assembly
1696239M93Generally fits older/utility models; replaces multiple older part numbers
Hydraulic Spool Valve Assembly
1696239M92Generally fits older/utility models; replaces multiple older part numbers
Spool Valve
3596140M91
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