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3 Spool Plumbing Kit for JD 4000 Series Tractors

  • $2,386.00
  • or

Koyker Plumbing Kit 683395

Parts in this plumbing kit are currently unavailable until late October 2019. Please know that if you purchase, your delivery will be delayed until that time.

Plumbing Kit for the following John Deere 4000 Tractor Series Models: 4050, 4055, 4230, 4240, 4250, 4255, 4350, 4430, 4440, 4450, 4455 and 4630.

Shipping Note:
Shipped in 3 separate containers.

Package Includes:
(Most items not available for individual purchase)

  • 3 Spool Load Sensing Valve
  • 3 Spool Joystick
  • Valve Mount Plate
  • Joystick Handle Plate
  • Handle Plate
  • Wiring Harness
  • Cable Connector Kit
  • Colored Plug Set - 3 Spool
  • 1/2" Quick Coupler Set
  • Manifold Block Kit
  • Hydraulic Hoses
  • Hose Wrap
  • Nylon Cable Ties
  • Oil Line Clamp
  • Hardware

Part Number: K683395

    This product does not qualify for returns. Please make sure this product is the correct size and will work for your equipment before purchasing. If you have questions or concerns, please contact our Koyker Customer Service Team at 1-800-456-1107.

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    We distribute products through local dealerships in your area. Prices and product availability may vary between dealerships.

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    We try our best to ship orders in the timeliest manner possible. Each product may have a different level of manufacturing demand and timeframe for shipment.

    If you have any questions or concerns about your order's status, please email us at to discuss.

    Shipping Rates

    We offer calculated shipping rates during the checkout process. USPS and UPS options are available if the product ordered qualifies for those options.

    International orders that equal 20 lbs. and less are charged a flat rate of $48.00. Orders that are 20.1 lbs. and over are charged a calculated shipping rate during the checkout process.

    Order Processing

    Business Days: Monday-Thursday.
    Holidays, Fridays, Saturdays and Sundays are not included in processing days.

    Ask a Question

    NOTE: All product specifications are subject to change or improvement without notice. We reserve the right to change product pricing at any time without further notice. Pricing may differ at the time of purchase.

    Contact Sioux Steel by emailing or by calling our customer service specialists at 1-800-557-4689 for additional information.

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    Ask a Question
    • Looking at the 3 spool plumbing kit for JD 4000 series tractors. Will this work on a 4650? I see it is only listed up to a 4450.

      Thank you for reaching out! Yes, the 3 spool plumbing kit will work on a JD 4650 tractor. We would love to discuss and talk through your current loader configuration to confirm. Please contact Terry in our Koyker Customer Service department at 1-800-456-1107.


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