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JD 850J, 850K Blade Cylinder & Seal Kits

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JD 850J, 850K Blade Cylinder & Seal Kits parts list
Image Fits Model Description Part # Price Product Details
Hydraulic Bushing for JD 750J Dozer H175686 See Details 750J*, 850J*, 660D*, 848G* Cylinder Bushing H175686
$59.00
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90 mm bore seal kit AHC19979 for John Deere 310SL backhoe cylinder See Details 310E-315SE, 310G-315SG, 310SJ-325J, 310SL-325SL, 320P, 410D-410P, 510D, 331G-335P, 450G-650G, 700P, 750J-750P, 764, 850J-850X, 620G-872P, 744H-744X, 824J-824X, 260E/P, 310P, 762B, 1510C-2112DC, 337E, 437E, 437G, 460D, 640L-948L-III, 753J, 759J 90 mm Hydraulic Cylinder Bore Seal Kit AHC19979
$39.00
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70 mm rod seal kit AHC16724 for John Deere 850J dozer angle cylinder See Details 410L, 410P, 710J-710P, 444L/P, 524L/P, 624K-624P, 644J-644X, 724K-724P, 655K, 655P, 750J-750P, 850J-850X, 250D, 300D, 260E/P, 310E/P, 1612DE, 2010DE, 2014DE, 2412DE, 335D, 337E, 435C, 437C-437E, 748L, 848L, 948L, FL100, FR24B, FR27 70 mm Hydraulic Cylinder Rod Seal Kit AHC16724
$98.00
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JD 850J Blade Angle Cylinder with Bushings See Details 850J, 850K Blade Angle Cylinder AH208628
From $2,401.00
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John Deere 850J, 850K Blade Tilt Cylinder (Power Angle Tilt Blade) -- AHC16698 | Broken Tractor See Details 850J, 850K Blade Tilt Cylinder (PAT Blade Only) AHC16698
$2,085.00
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John Deere 850J, 850K Blade Lift Cylinder -- AHC16061 | Broken Tractor See Details 850J, 850K Blade Lift Cylinder AHC16061
From $2,124.00
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5 Self-Aligning Ball Bushing for John Deere Dozers See Details 450G, 550G, 650G, 750C, 750C-II, 750J, 750J-II, 750K, 750L, 850C, 850C-II, 850J, 850J-II, 850K, 850L Self-Aligning Ball Bushing AT157174
$68.00
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John Deere Hydraulic Rod Seal Kit AH149815 See Details 310E, 310SE, 310SJ, 310SK, 315SE/SJ/SK, 325J/K/SK, 410E/G, 435, 710D/G/J/K, 450J, 550J, 650J, 750J, 750J-II, 850J/K, 455G, 555G, 755K, 540E/G, 548E/G, 640E/G/H, 648E/G/H, 748E/G/H, 848G/H, 444H/K, 524K, 544H/K, 624H/K, 250D, 300D Rod Seal Kit, Hydraulic Cylinder AH149815
$59.00
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Versatile Hydraulic Cylinder Spanner Wrench for John Deere, Fits 2" to 4.75" Diameters See Details 2.00" - 4.75" Diameter Cylinders Spanner Wrench JD-51120
$34.00
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John Deere Hydraulic Cylinder Spanner Wrench See Details 115mm to 170mm or 4.5" to 6.7" Diameter Cylinders Spanner Wrench JD-115170
$44.00
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Shop blade hydraulic cylinders, bushings, and seal kits for John Deere 850J and 850K dozers. Broken Tractor stocks lift cylinders, angle cylinders, tilt cylinders, self-aligning bushings, and service tools to restore blade function on your 850 series dozer. Whether you need a complete cylinder replacement or a seal kit for a rebuild, we have the parts to keep your 850J or 850K pushing.

Fits Models At A Glance:

  • Primary Models: 850J, 850J-II, 850K
  • Additional Fitment (Select Components): 750J, 750J-II, 750K, 750L, 850C, 850C-II, 850L, 450G, 550G, 650G, 660D, 848G

Key Notes:

  • Blade Lift Cylinder (AHC16061): Fits 850J and 850K — raises and lowers the dozer blade for grading and material handling
  • Blade Angle Cylinder (AH208628): Fits 850J and 850K — controls blade angle for precision grading and side-casting material
  • Blade Tilt Cylinder (AHC16698): Fits 850J and 850K — controls blade tilt for side-slope grading and finish work
  • Self-Aligning Ball Bushing (AT157174): Fits 850J, 850J-II, 850K, 850L, and multiple 750 series models plus 450G, 550G, and 650G — used in angle and tilt cylinder rod ends
  • Cylinder Bushing (H175686): Fits 850J, 750J, 660D, and 848G (select applications)
  • Rod Seal Kit (AH149815): Fits multiple John Deere applications — restores cylinder sealing without full replacement
  • Service Tools: Spanner wrenches for 2.00"–4.75" and 4.5"–6.7" (115mm–170mm) diameter cylinders — essential for cylinder disassembly and service

Why Choose Broken Tractor:

✅ 850 Series Coverage – Lift, angle, and tilt cylinders for 850J and 850K models in stock

✅ Cross-Series Compatibility – Bushings and seal kits fit multiple 750 and 850 series machines

✅ Same-Day Shipping – In-stock cylinders and parts ship same day from U.S. warehouses

Frequently Asked Questions

What blade cylinders fit a John Deere 850J or 850K dozer?

Broken Tractor carries the blade lift cylinder (AHC16061) and blade tilt cylinder (AHC16698) for 850J and 850K dozers with a PAT blade, plus the blade angle cylinder (AH208628) for 850J and 850K dozers with a 6-way blade. The correct cylinder depends on your blade type, so match the part number on your old cylinder before ordering. If you are unsure which one fits your machine, call (800) 909-7060.

Does the John Deere 850K angle cylinder come with bushings?

Yes, we offer an angle cylinder with bushings (AHC10408) built for the John Deere 850K dozer. It is listed for the 850K only, so 850J owners should look at the blade angle cylinder AH208628 instead. Check your model and part number to confirm the right fit.

Can I rebuild a John Deere 850J blade cylinder with a seal kit instead of replacing it?

Yes, a seal kit lets you reseal a cylinder without buying a complete replacement. Broken Tractor offers the AH149815 rod seal kit, the AHC16724 70 mm rod seal kit, and the AHC19979 90 mm bore seal kit, all listed for 850J dozers. Seal kit fitment depends on the cylinder's rod or bore size, so match the part number or measure your cylinder before ordering.

What bushings go in the rod ends of John Deere 850J and 850K angle and tilt cylinders?

The self-aligning ball bushing (AT157174) is used in the angle and tilt cylinder rod ends on 850J, 850J-II, and 850K dozers. It also fits the 850C, 850C-II, 850L, 750C, 750J, 750K, 750L, 450G, 550G, and 650G dozers. We also carry a greasable cylinder bushing (H175686) for select 750J and 850J applications, so confirm the part number on your machine.

What spanner wrench do I need to take apart a John Deere dozer hydraulic cylinder?

The spanner wrench you need depends on the cylinder diameter. Broken Tractor carries one for 2 to 4.75 inch diameter cylinders (JD-51120) and one for 115 mm to 170 mm, or 4.5 to 6.7 inch, gland nuts (JD-115170). Measure your cylinder before ordering so you get the wrench that matches your gland nut.

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Product: Category: JD 850J, 850K Blade Cylinder & Seal Kits Brand: Head Title: JD 850J, 850K Dozer Blade Cylinders | Broken Tractor