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Case 850 & 855 Undercarriage Parts

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Case 850 & 855 Undercarriage Parts parts list
Image Fits Model Description Part # Price Product Details
5 Track Drive Sprocket for Case 850B Dozers, 25 Teeth See Details 850B, 850C, 855C, (850D, 855D Before Serial # JAK0002254) Sprocket R52597
From $348.00
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5 Case Loader and Dozer Track Drive Sprocket by Broken Tractor- R56464 See Details 650, 650G, 650H, 750H, 850D*, 855D*, 850E, 855E, 850G, 850H Sprocket R56464
$315.00
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5 Long Track Dozer Drive Sprocket for Case 650K-LT See Details 650K-LT, 750K-LT, 750L-LT, 750M-LT, 850K-XLT, 850L-XLT, 850M-LT, D95-LT, D95B-LT, DC75-LT, DC85-LT, DC95-LT Sprocket (Long Track, XLT) 404060A1
$515.00
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6 Case 850C LGP dozer track drive sprocket R53117 See Details 850C LGP, 850D LGP* Sprocket (LGP) R53117
$628.00
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6 Wide Track Sprocket for Case 850H-LGP, R56535 See Details 750H-LGP, 750H-WT. 850D-LGP, 850E-LGP, 850G-LGP, 850H-LGP Sprocket (LGP, Wide Track) R56535
$374.00
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6 403555A1 Wide Track Dozer Drive Sprocket for Case 650K-LGP, 25 Tooth See Details 650K-LGP, 650K-WT, 750K-LGP, 750K-WT, 750L-LGP, 750L-WT, 750M-LGP, 750M-WT, 850K-LGP, 850K-WT, 850L-LGP, 850L-WT, 850M-LGP, 850M-WT, D95-LGP, D95-WT, D95B-LGP, D95B-WT, DC75-LGP, DC75-WT, DC85-LGP, DC85-WT, DC95-LGP, DC95-WT Sprocket (LGP, Wide Track) 403555A1
$455.00
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1 Case Dozer New Front Idler Spring Kit 650 103384A1 See Details 650, 650G, 750H, 750K, 750L, 850, 850B, 850C, 850D, 850E, 850G, 850H, 850K, 850L, 850M, 855C, 855D, 855E Track Idler Wheel 103384A1
From $994.00
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2 Top track roller for Case dozer undercarriage See Details 450, 450B, 450C, 550, 650, 750, 850, 855, 1150, DC75, DC85, DC95, D95B, 880 Top Track Roller R33965
$175.00
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3 Case Dozer Single-Flange Bottom Track Roller by Broken Tractor See Details 650, 650G, 750, 750H, 750K, 750L, 850, 850B, 850C, 850D, 850E, 850G, 850H, 850K, 850L, 850M, 855C, 855D, 855E Bottom Track Roller (Single Flange) R56593
$248.00
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3 R56874 Case Dozer Double Flange Bottom Track Roller by Broken Tractor See Details 650, 650G, 750, 750H, 750K, 750L, 850, 850B, 850C, 850D, 850E, 850G, 850H, 850K, 850L, 850M, 855C, 855D, 855E Bottom Track Roller, Double Flange R56874
$285.00
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Case Dozer Track Idler Wear Kit by Broken Tractor See Details 650, 650G, 650H, 750H, 850, 850B, 850C, 850D, 850E, 850G, 850H, 855C, 855D, 855E Wear Kit, Track Idler 144393A3
$74.00
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Case Dozer and Crawler Loader Track Idler Guide Plate by Broken Tractor See Details 650, 650G, 650H, 750H, 850, 850B, 850C, 850D, 850E, 850G, 850H, 855C, 855D, 855E Guide Plate, Track Idler R45570
$43.00
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Track Master Pin for Case 650G, 650H, 750H, 750K, 750L Models See Details 850, 850B, 850C, 850D, 850E, 850G, 850H, 850K, 850L, 650, 650G, 650H, 750H, 750K, 750L Track Master Pin Kit CR4875
$38.00
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Case 850C Dozer Track Idler Shaft See Details 850C, 850D, 855C, 855D Track Idler Shaft R46824
$98.00
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18" Single Grouser Track Shoe for Case 750, 850 & 1150 Dozers See Details 750, 850, 850B, 850C, 850C-LGP, 850D, 850D-LGP, 850D-LT, 1150 Track Shoe (18" Single Grouser) CA756/18
$46.00
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20" Single Grouser Track Shoe for Case 750, 850 & 1150 Dozers (CA756/20) See Details 750, 850, 850B, 850C, 850C-LGP, 850D (Before Serial Number JAK0002253), 850D-LGP (Before Serial Number JAK0002253), 850D-LT (1st Type), 1150 (After Serial Number 7109000) Track Shoe (20" Single Grouser) CA756/20
$45.00
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16" Single Grouser Track Shoe for Case 650, 750 & 850 Dozers See Details 650H, 650K-LGP, 650K-WT, 750H-LGP, 750H-LT, 750K-LT, 750L-LT, 750M-LT, 850G-LT, 850H-LT, 850H-WT, 850K-XLT Track Shoe (16" Single Grouser) CA853/16
$49.00
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18" Single Grouser Track Shoe for Case 650–850 Crawler Dozers (CA853/18) See Details 650H, 650K-LGP, 650K-LT, 650K-WT, 750H-LGP, 750H-LT, 750K-LGP, 750K-LT, 750K-WT, 750L-LGP, 750L-LT, 750L-WT, 750M-LT, 850G-LT, 850H-LT, 850H-WT, 850K-XLT, 850L-LGP, 850L-WT, 850L-XLT, 850M-LT, D85B-WT 18" Track Shoe CA853/18
$52.00
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24" Single Grouser Track Shoe for Case 650–850 Crawler Dozers See Details 650H-LGP, 650K-LGP, 650K-LT, 650K-WT, 750H-LGP, 750H-WT, 750K-LGP, 750K-LT, 750K-WT, 750L-LGP, 750L-LT, 750L-WT, 750M-LGP, 750M-WT, 850G-LGP, 850G-LT, 850H-LGP, 850H-WT, 850K-LGP, 850K-WT, 850L-LGP, 850L-WT, 850M-LGP, 850M-WT, D85B-WT Track Shoe (24" Single Grouser) CA853/24
$70.00
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28" Single Grouser Track Shoe for Case 650–850 LGP Dozers See Details 650H-LGP, 650K-LGP, 650K-WT, 750H-LGP, 750H-WT, 750K-LGP, 750K-WT, 750L-LGP, 750L-WT, 750M-LGP, 850G-LGP, 850H-LGP, 850K-LGP, 850L-LGP, 850M-LGP, D85B-WT 28" Track Shoe CA853/28
$82.00
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16" Single Grouser Track Shoe for Case 650 & 850 Dozers See Details 650, 650G, 850D 2nd Type (After Serial Number JAK0002254), 850D-LT 2nd Type (After Serial Number JAK0002254), 850E-LT, 850G-LT First Type Track Shoe (16" Single Grouser) CA880/16
$40.00
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18" Single Grouser Track Shoe for Case 650 & 850 Dozers See Details 650, 650G, 850D (2nd Type - After Serial Number JAK0002254), 850D-LT (2nd Type - After Serial Number JAK0002254), 850E-LT, 850G-LT (First Type) Track Shoe (18" Single Grouser) CA880/18
$46.00
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24" Single Grouser Track Shoe for Case 850 Dozers See Details 850D (2nd Type, After Serial Number JAK0002254), 850D-LGP (2nd Type, After Serial Number JAK0002254), 850D-LT (2nd Type, After Serial Number JAK0002254), 850E-LGP, 850E-LT, 850G-LGP (First Type), 850G-LT (First Type) Track Shoe (24" Single Grouser) CA880/24
$64.00
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29" Single Grouser Track Shoe for Case 850D-G LGP Dozers See Details 850D-LGP (2nd Type), 850E-LGP, 850G-LGP (First Type) 29" Track Shoe CA880/29
$76.00
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24" Single Grouser Track Pad for Case Dozers See Details 850M-WT 24" Track Shoe CR4358/24
$64.00
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28" Single Grouser Track Shoe for Case Dozers See Details 850M-WT 28" Track Shoe CR4358/28
$75.00
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Track shoe bolt kit for Case 850 dozer See Details 750, 850, 850B, 850C, 850C-LGP, 850D, 850D-LGP, 850D-LT, 1150* Track Shoe Bolt Kit CA756BK
$9.00
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4 Case Dozer Bottom Roller Bolt 1D4609 See Details 650, 650G, 750, 750H, 750K, 750L, 850, 850B, 850C, 850D, 850E, 850G, 850H, 850K, 850L, 850M, 855C, 855D, 855E Bolt, Bottom Roller 1D4609
$2.00
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Torsion bar front equalizer lever for Case 850 dozer D39631 See Details 850 Pin, Torsion Bar Equalizer Lever D39631
$56.00
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Case 850 and 855 undercarriage parts for rebuilding worn track systems and restoring proper traction, alignment, and drivetrain engagement. This category fits Case 850, 850B, 850C, 850D, 850E, 850G, 850H, 850K, 850L, 850M, plus 855C, 855D, and 855E crawler loaders where specified.

Coverage includes track shoes, sprockets, idlers, rollers, guide plates, wear kits, master pins, and mounting hardware. Options are available for standard, LT (Long Track), LGP (Low Ground Pressure), WT, and XLT configurations, including serial-specific sprockets and shoe styles. These Case 850/855 undercarriage components are designed to handle high-load applications in construction, forestry, land clearing, and heavy earthmoving.

Fits:
850
850B
850C
850D (Standard & LT)
850E
850G
850H
850K
850L
850M
855C
855D
855E

Common Repair Issues

  • Hooked or worn sprocket teeth

  • Flat-spotted or leaking bottom rollers

  • Excessive track shoe or chain wear

  • Idler guide plate wear

  • Broken or loose track shoe bolts

  • Uneven undercarriage wear from misalignment

Parts Covered in This Category

  • Drive sprockets (standard, LGP/wide track, LT/XLT)

  • Track shoes (16", 18", 20", 24", 28", 29")

  • Track shoe bolt kits

  • Front idler spring kits and idler shafts

  • Top track rollers

  • Bottom rollers (single and double flange)

  • Bottom roller mounting bolts

  • Track master pin kits

  • Track idler guide plates

  • Track idler wear kits

  • Equalizer lever pins and related hardware

Sprocket options include 25-tooth configurations, LGP wide-track designs, and serial-number-specific fitment (such as early vs. later 850D/855D models). Track shoe coverage supports multiple gauge widths and undercarriage styles, including heavy-duty LGP setups for reduced ground pressure.

Key Notes:

Application: Undercarriage and track system components for Case 850 and 855 dozers and crawler loaders.
Coverage: Standard, LT, LGP, WT, and XLT machines with serial-specific fitment where required.
Material/Build: Heavy-duty steel wear components built for high-load ground engagement.
Function: Restores traction, improves sprocket engagement, and extends overall undercarriage life.
Made In / Brands: Varies by part.

Why Choose Broken Tractor:

✅ Model-Specific Undercarriage Components
✅ Options for 5 & 6 Roller Frames
✅ Heavy-Duty Parts for Demanding Applications

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Product: Category: Case 850 & 855 Undercarriage Parts Brand: Head Title: Case 850 & 855 Undercarriage Parts | Broken Tractor