JD Forestry Steering Valve parts list
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500A, 500B, 500, 540A, 570, 570A, 700A, 760, 440, 440A, 440B, 540, 2510, 2520, 3020, 4000, 4020, 4520, 5010, 5020 |
Cover, Steering Valve Cylinder; with Check Valve Seat |
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AR44883 |
$705.00
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500A, 500B, 444, 500C, 510, 544, 544A, 544B, 600, 640, 644B, 646, 646B, 700, 760, 760A, 440C, 540B, 2510, 2520, 3020, 4020, 4520, 5010, 5020, 6030, 644A |
Shaft, Steering |
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R73737 |
$180.00
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340D, 440C, 440D, 448D, 540B, 540D, 548D |
Hydraulic Steering Valve |
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AT167266 |
$2,398.00
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340D, 440C*, 440D, 448D, 540B |
Orbital Steering Valve |
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AT75939 |
$1,232.00
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540E, 640E, 740E, 548E, 648E, 748E |
Orbital Steering Valve |
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AT133539 |
$2,824.00
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544G, 544G LL, 624G, 748G-II, 748G-III |
Orbital Steering Valve |
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AT353993 |
$2,824.00
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Orbital steering valves for John Deere log skidders and forestry wheel loaders, covering a wide range of B, C, D, E, and G series machines used in timber harvesting and log loading applications. These valves control hydraulic steering response and are critical to safe machine operation in demanding forestry environments.
Fits Models At A Glance
- B/C/D Series Skidders: 340D, 440C, 440D, 448D, 540B
- E Series Skidders: 540E, 548E, 640E, 648E, 740E, 748E
- G Series Skidders: 748G-II, 748G-III
- G Series Wheel Loaders: 544G, 544G LL, 624G
Key Notes
- Valve Type: Orbital hydraulic steering valves (also known as orbitrol or char-lynn style)
- Application: Controls hydraulic steering circuit on articulated skidders and forestry-spec wheel loaders
- Fitment Span: Covers multiple generations from legacy C/B series through current G series machines
- Reference Numbers: Cross-references AT133539, AT353993, AT75939
Why Choose Broken Tractor
- ✅ Forestry parts expertise backed by real equipment knowledge
- ✅ Multiple valve options available for legacy and current machines
- ✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH
Frequently Asked Questions
What steering valve fits a John Deere 548E or 748E skidder?
Broken Tractor carries the Orbital Steering Valve AT133539 for John Deere E series skidders, including the 540E, 548E, 640E, 648E, 740E and 748E. Match the AT133539 number to the valve on your machine before ordering to confirm the correct fit.
Which orbital steering valve fits a John Deere 748G-III skidder or 544G wheel loader?
The Orbital Steering Valve AT353993 fits John Deere 748G-II and 748G-III log skidders as well as 544G, 544G LL and 624G wheel loaders. It replaces the orbital valve that controls the hydraulic steering circuit on these G series machines.
What steering valve do I need for a John Deere 440D or 540B log skidder?
We offer two steering valves for the older John Deere skidders: the Orbital Steering Valve AT75939 and the Hydraulic Steering Valve AT167266. Both cover the 340D, 440C, 440D, 448D and 540B, and the AT167266 also fits the 540D and 548D. Fitment on some models, such as the 440C, can vary, so match the part number on your existing valve or call (800) 909-7060 to confirm with the parts team.
Can I buy individual steering valve parts for a John Deere 440 or 540 skidder instead of a whole valve?
Yes, Broken Tractor carries steering valve components for older John Deere skidders. The Steering Valve Shaft R73737 fits models including the 440C and 540B, and the Steering Valve Cylinder Cover with Check Valve Seat AR44883 fits models including the 440, 440A, 440B, 540 and 540A. Check the part number on your machine to make sure you order the right component.
What is an orbital steering valve on a John Deere skidder?
An orbital steering valve, also called an orbitrol or char-lynn style valve, controls the hydraulic steering circuit on John Deere articulated skidders and forestry wheel loaders. It sets how the machine responds when you turn the steering wheel, which makes it critical to safe operation. Broken Tractor offers orbital valves for B, C, D, E and G series machines, cross-referencing AT133539, AT353993 and AT75939.
