Winch Control Valve Spool Spring for John Deere 450J, 450K, 440C, 540B, 460D – T43645

Fits Models At A Glance:

• John Deere Crawler Dozers:
  • 450J — Serial Number 159987 and Up;
  • 450K — Serial Number 304771 and Up
  • 450P — Serial Number 01837 and Up

• John Deere Forestry – Early Log Skidders: 340D, 440, 440A, 440B, 440C, 440D, 448D
• John Deere Forestry – 540 Series Log Skidders: 540, 540A, 540B, 540D, 548D
• John Deere Forestry – D Series Skidders: 360D, 460D — Through Serial Number 604613
• John Deere Forestry – E Series Skidders: 540E, 548E

Key Notes:

• Part Numbers: T43645
• Type: Compression spring, winch control valve spool
• Weight: 0.02 lbs (0.01 kg)
• Serial Number Notes: On the 450J, 450K and 450P, fits machines from the serial numbers shown above. On the 360D and 460D, fits machines through Serial Number 604613. All other models listed fit every serial number.
• Application: Centers and returns the winch control valve spool, so the winch goes back to its hold position when the control lever is released.
• Condition: Replacement Part for John Deere Equipment

Common Use Case or Symptoms: Use when the winch control lever won't return to center, the winch creeps or won't hold after the lever is released, or the spool feels sloppy or sticks — a broken or weak spool spring keeps the valve from returning to neutral.

Why Choose Broken Tractor:

• ✅ Returns the Winch Valve Spool to Hold – stops winch creep after the lever is released
• ✅ Fits Deere Skidders Back to the 440 and the 450J-450P Dozers – serial starts spelled out
• ✅ Fast Shipping from a U.S.-Based Team – ready to ship from our U.S. warehouses