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Grapple Cylinder Bore Seal Kit for John Deere 440C, 440D, 540B, 548D & 648D Skidders

SKU:
RE14100
FitsModel:
440C (After Serial # 405024), 440D/448D (After Serial # 501506), 540B (After Serial # 501542), 548D, 648D
ListDescription:
Grapple Cylinder Bore Seal Kit
John Deere 440C 440D 540B 548D 648D skidder grapple cylinder bore seal kit RE14100-K
Part # RE14100

Fits Models At A Glance:

  • John Deere Skidders:
    • 440C (After Serial Number 405024)
    • 440D/448D (After Serial Number 501506)
    • 540B (After Serial Number 501542)
    • 548D
    • 648D

Key Notes:

  • Part Number: RE14100-K
  • Fits Grapple Cylinder: RE14100
  • Weight: 0.5 lbs (0.23 kg)
  • Bore Diameter: 5-1/4"
  • Kit Coverage: Bore seal kit only — includes piston and gland seals for the bore end of the cylinder. Rod seal kit sold separately — order both kits for a complete cylinder reseal
  • Manufacturer: Bulldog / Hercules Hydraulics — Made in USA
  • Application: Grapple cylinder bore seal kit — rebuilds the bore end of the hydraulic grapple cylinder that opens and closes the log grapple on John Deere 440C, 440D, 540B, 548D, and 648D skidders
  • Serial Number Notes:
    • 440C — After Serial Number 405024
    • 440D/448D — After Serial Number 501506
    • 540B — After Serial Number 501542
    • 548D and 648D — All Serial Numbers

Common Use Case or Symptoms: Use when the grapple cylinder is exhibiting internal bypass — symptoms include the grapple failing to hold a full load of logs under pressure, slow grapple closing force, or loss of grapple clamping strength without visible external leaking — all common signs of worn bore-end seals on John Deere 440 through 648 series skidder grapple cylinders.

Why Choose Broken Tractor:

  • ✅ Bore End Specific: RE14100-K covers the bore-end piston and gland seals — order alongside the matching rod seal kit for a complete full-cylinder reseal on John Deere 440C through 648D skidder grapple cylinders
  • ✅ Made in USA by Bulldog / Hercules Hydraulics: Premium American-made seals engineered for the demanding hydraulic pressures of John Deere skidder grapple cylinder applications
  • ✅ Fast Shipping from a U.S.-Based Team: In-stock and ready to ship same day from our U.S. warehouses
$225.00

Shipping calculated at checkout. If any item in your order is temporarily unavailable, we'll contact you to arrange a back-order or refund — whichever you prefer.

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Product: Category: Brand: Head Title: Grapple Cylinder Bore Seal Kit | Broken Tractor | RE14100