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Case 650 Series Dozer Undercarriage

Fits Models At A Glance: Case Loaders and Dozers: 850D, 855D: Both after serial # JAK0002254 Case Loaders and Dozers: 650, 650G, 650H, 750H, 850E, 855E, 850G, 850H Key Notes: 23 Teeth 10 Bolt Holes Weight: 130 lbs. Part #: R56464 Only available...

Fits Models At A Glance: Case Dozers: 650K-LT, 750K-LT, 750L-LT, 750M-LT, 850K-XLT, 850L-XLT, 850M-LT New Holland Dozers: D95-LT, D95B-LT DC75-LT, DC85-LT, DC95-LT Key Notes: Specifications: 25 teeth 10 bolt holes Part Number: 404060A1 Weight:...

Fits Models At A Glance: Case Dozers: 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 New Holland Dozers: D95-LGP, D95-WT, D95B-LGP, D95B-WT DC75-LGP, DC75-WT,...

Fits Models At A Glance: Case Dozers: 650, 650G, 750H, 750K, 750L, 850, 850B, 850C, 850D, 850E, 850G, 850H, 850K, 850L, 850M, 855C, 855D, 855E Key Notes: Specifications: Part Number: 103384A1 Weight: 245 lbs. Designed for heavy-duty use in demanding...

Fits Models At A Glance Case Dozers and Loaders:450C, 450C-LGP, 450C-LT455C550-LGP, 550-LT, 550E-LGP, 550E-LT550G-LGP, 550G-LT, 550H-LGP, 550H-LT, 550H-WT650H, 650H-LGP650K-LGP, 650K-LT, 650K-WT650L-LGP, 650L-LT, 650L-WT New Holland Dozers:DC75-LGP,...

Fits Models At A Glance: Case 450 Series:450 (4-bolt adjuster), 450B, 450C, 450B-LGP, 450C-LGP, 450C-LT Case 550 Series:550-LGP, 550-LT, 550E-LGP, 550E-LT, 550G-LGP, 550G-LT, 550H-LGP, 550H-LT, 550H-WT Case 650 Series:650, 650G, 650H, 650H-LGP,...

Fits Models At A Glance: Case Dozers: 650, 650G, 650H, 750H, 850, 850B, 850C, 850D, 850E, 855C, 855D, 855E Key Notes: Weight: 8 lbs (3.6 kg) Part #: D45485 Application: Mounts the top roller securely to the undercarriage frame Function:...

Case Dozer Single-Flange Bottom Track Roller Case Dozers: 650, 650G, 750, 750H, 750K, 750L, 850, 850B, 850C, 850D, 850E, 850G, 850H, 850K, 850L, 850M, 855C, 855D, 855E Key Features: Weight: 66 lbs Single Flange Style Roller Replaces Case Part #...

Fits Models At A Glance Case Dozers: (450 After Serial # 3050801), 450B, 450C, 550, 550E, 550G, 550H, 650H, 650K, 650L. Key Points Replaces Part # R57357. Weight: 44 lbs. Compatibility: Suitable for a wide range of Case dozer models. Why Choose...

Fits Models At A Glance: Case Dozers: 650, 650G, 750, 750H, 750K, 750L, 850, 850B, 850C, 850D, 850E, 850G, 850H, 850K, 850L, 850M, 855C, 855D, 855E Key Notes: Part #: R56874 Weight: 82 lbs. Only available in the lower 48 US...

Fits Models At A Glance: Case Dozers and Crawler Loaders: 650, 650G, 650H, 750H, 850, 850B, 850C, 850D, 850E, 850G, 850H, 855C, 855D, 855E Key Notes: Part #: 144393A3 Weight: 3.5 lbs. Why Choose Broken Tractor?: Quality Tested Parts: Broken Tractor...

Fits Models At A Glance: Case Dozers: 650, 650G, 650H, 750H, 850, 850B, 850C, 850D, 850E, 850G, 850H Case Crawler Loaders: 855C, 855D, 855E Key Notes: Weight: 3.00 lbs (1.36 kg) Part #: PV433 Length: 17-3/4 inches (451 mm)...

Fits Models At A Glance: Case Dozers and Crawler Loaders: 650, 650G, 650H, 750H, 850, 850B, 850C, 850D, 850E, 850G, 850H, 855C, 855D, 855E Key Notes: 3" Tall 8 1/2" Wide Two Bolt Holes (Smooth) Weight: 4 lbs Part #: R45570 Only available in the lower...

Fits Models At A Glance: Case Dozers: 450C, 550, 550E, 550G, 550H, 650H Case Crawler Loader: 455C Use Note: Two guide plates are used per idler Key Notes: Weight: 4 lbs (1.8 kg) Part #: R49772 Application: Guides the idler to maintain track...

Fits Models At A Glance: Case 650 Series Dozers (Track):650H650K-LGP (Series 1, 2 & 3)650K-WT (Series 1, 2 & 3) Case 750 Series Dozers (Track):750H-LGP750H-LT750K-LT — Series III750L-LT750M-LT — Tier 4A (up to Sept 2016) Case...

Fits Models At A Glance: Case 650 Series Dozers (Track):650H650K-LGP, 650K-LT, 650K-WT (Series 1, 2 & 3) Case 750 Series Dozers (Track):750H-LGP, 750H-LT750K-LGP, 750K-LT, 750K-WT (Series II & III)750L-LGP, 750L-LT, 750L-WT750M-LT —...

Fits Models At A Glance: Case 650 Series Dozers (Track):650H-LGP650K-LGP, 650K-LT, 650K-WT (Series 1, 2 & 3) Case 750 Series Dozers (Track):750H-LGP, 750H-WT750K-LGP (Series II & III)750K-LT (Series III)750K-WT (Series II & III)750L-LGP,...

Fits Models At A Glance: Case 650 Series Dozers (Track):650H-LGP650K-LGP, 650K-WT (Series 1, 2 & 3) Case 750 Series Dozers (Track):750H-LGP, 750H-WT750K-LGP (Series II & III)750K-WT (Series II & III)750L-LGP, 750L-WT750M-LGP — Tier...

Fits Models At A Glance: Case 550 Series Dozers (Track):550-LT — Serial # JAK0013968 & up550E-LT550G-LT550H-LGP — 64" gauge550H-LT — 53" gauge550H-WT — 64" gauge Case 650 Series Dozers (Track):650L-LT — 54"–56"...

Fits Models At A Glance: Case 550 Series Dozers (Track):550-LGP — Serial # JAK0013968 & up550-LT — Serial # JAK0013968 & up550E-LGP, 550E-LT550G-LGP, 550G-LT550H-LGP — 64" gauge550H-WT — 64" gauge Case 650 Series...

Fits Models At A Glance: Case 550 Series Dozers (Track):550-LGP — Serial # JAK0013968 & up550-LT — Serial # JAK0013968 & up550E-LGP, 550E-LT550G-LGP, 550G-LT550H-LGP — 64" gauge Case 650 Series Dozers (Track):650L-LGP...

Fits Models At A Glance: Case 650 Series Dozers (Track):650650G Case 850D Series Dozers (Track):850D — 2nd Type (Serial # JAK0002254 & up)850D-LT — 2nd Type (Serial # JAK0002254 & up) Case 850E Series Dozers...

Fits Models At A Glance: Case 650 Series Dozers (Track):650650G Case 850D Series Dozers (Track):850D — 2nd Type (Serial # JAK0002254 & up)850D-LT — 2nd Type (Serial # JAK0002254 & up) Case 850E Series Dozers...

Fits Models At A Glance: Case 550 Series Dozers (Track): 550-LGP — Serial # JAK0013968 & up 550-LT — Serial # JAK0013968 & up 550E-LGP, 550E-LT 550G-LGP, 550G-LT 550H-LGP — 64" gauge 550H-WT — 64"...

Fits Models At A Glance: Case Dozers: 650, 650G 750, 750H, 750K, 750L 850, 850B, 850C, 850D, 850E, 850G, 850H, 850K, 850L, 850M 855C, 855D, 855E Key Notes: Part Number: 1D4609 Size: 3/4" X 3" Application: Track roller mounting bolt for...

Fits Models At A Glance: Case Dozers: 450 (After Serial #3050801) 450B, 450C 550, 550E, 550G, 550H 650H, 650K, 650L Key Notes: Part Number: 0S1566 Size: 5/8" x 1-1/2" Application: Mounting bolt for bottom track rollers in Case crawler...

Fits Models At A Glance: Case Dozers: 850, 850B, 850C, 850D, 850E, 850G, 850H, 850K, 850L, 650, 650G, 650H, 750H, 750K, 750L. Case Crawler Loaders: 850, 850B, 850C, 855D, 855E. Key Points: Dimensions: Diameter: 1.31" Length: 7 5/16" Replaces Part...

Image Fits Model Description Part # Price Product Details
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
$337.00
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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 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
$422.00
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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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1 Case Dozer Track Idler with Spring Kit by Broken Tractor See Details 450C, 450C-LGP, 450C-LT, 455C, 550-LGP, 550-LT, 550E-LGP, 550E-LT, 550G-LGP, 550G-LT, 550H-LGP, 550H-LT, 550H-WT, 650H, 650H-LGP, 650K-LGP, 650K-LT, 650K-WT, 650L-LGP, 650L-LT, 650L-WT, DC75-LGP, DC75-LT, DC75-WT Track Idler & Spring Kit R58710-Kit
From $848.00
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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
$170.00
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Case 650, 650G, 650H, 750H, 850, 850B, 850C, 850D, 850E, 855C, 855D, 855E Dozer Top Roller Bracket -- D45485 See Details 650, 650G, 650H, 750H, 850, 850B, 850C, 850D, 850E, 855C, 855D, 855E Top Roller Bracket D45485
$315.00
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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 Case Dozer Undercarriage Replacement Bottom Track Roller See Details (450 After Serial # 3050801), 450B, 450C, 550, 550E, 550G, 550H, 650H, 650K, 650L Bottom Track Roller, Single Flange R57357
$203.00
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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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Wear Plate for Case 650–850 Dozers – 17-3/4" Long Undercarriage Protection See Details 650, 650G, 650H, 750H, 850, 850B, 850C, 850D, 850E, 850G, 850H, 855C, 855D, 855E Wear Plate PV433
$42.00
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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
$38.00
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Case Idler Outer Guide Plate (R49772) See Details 450C, 455C, 550, 550E, 550G, 550H, 650H Idler Guide Plate R49772
$39.00
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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 16" Track Shoe 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 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 24" Track Shoe 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 28" Track Shoe CA853/28
$82.00
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16" Single Grouser Track Shoe for Case 550 & 650 LT Dozers See Details 550-LT (JAK0013968 & up), 550E-LT, 550G-LT, 550H-LGP (64in gauge), 550H-LT (53in gauge), 550H-WT (64in gauge), 650L-LT (54–56in gauge) 16" Track Shoe CA875/16
$39.00
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20" Single Grouser Track Shoe for Case 550 & 650 LGP/LT Dozers See Details 550-LGP (JAK0013968 & up), 550-LT (JAK0013968 & up), 550E-LGP, 550E-LT, 550G-LGP, 550G-LT, 550H-LGP (64in gauge), 550H-WT (64in gauge), 650L-LGP (65–67in gauge), 650L-WT (65–67in gauge) 20" Track Shoe CA875/20
$59.00
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28" Single Grouser Track Shoe for Case 550 & 650 LGP Dozers See Details 550-LGP (JAK0013968 & up), 550-LT (JAK0013968 & up), 550E-LGP, 550E-LT, 550G-LGP, 550G-LT, 550H-LGP (64in gauge), 650L-LGP (65–67in gauge), 650L-WT (65–67in gauge) 28" Track Shoe CA875/28
$75.00
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16" Single Grouser Track Shoe for Case 650 & 850 Dozers See Details Case 650, 650G, 850D (2nd Type), 850D-LT (2nd Type), 850E-LT, 850G-LT (First Type) 16" Track Shoe 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), 850D-LT (2nd Type), 850E-LT, 850G-LT (First Type) 18" Track Shoe CA880/18
$46.00
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Track shoe bolt kit for Case 550LGP dozer See Details 550-LGP (JAK0013968 & up), 550-LT (JAK0013968 & up), 550E-LGP, 550E-LT, 550G-LGP, 550G-LT, 550H-LGP, 550H-WT, 650L-LGP, 650L-WT Track Shoe Bolt Kit CA875BK
$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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4 Case Dozer Track Roller Bolt 0S1566 See Details 450*, 450B, 450C, 550, 550E, 550G, 550H, 650H, 650K, 650L Bolt, Bottom Roller 0S1566
$1.00
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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
$36.00
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Case 650 Series dozer undercarriage parts for rebuilding worn track systems and restoring proper sprocket, roller, and idler alignment. This category fits Case 650, 650G, 650H, 650K, and 650L dozers, including LT (Long Track), LGP (Low Ground Pressure), WT, and XLT configurations where specified. Coverage includes track shoes, sprockets, idlers, rollers, wear plates, guide plates, and mounting hardware. These Case 650 Series undercarriage components are designed to replace worn ground-engaging parts, correct uneven wear patterns, and maintain proper chain and sprocket engagement under load.

Fits:
650
650G
650H
650K (LT, LGP, WT)
650L (LT, LGP, WT)

Common Repair Issues

  • Hooked or worn sprocket teeth

  • Flat-spotted or leaking bottom rollers

  • Excessive track chain and shoe wear

  • Idler guide plate wear

  • Loose or broken roller bolts

  • Uneven track wear from misalignment

Parts Covered in This Category

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

  • Front track idler assemblies and spring kits

  • Single-flange and double-flange bottom rollers

  • Top track rollers

  • Top roller brackets

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

  • Track shoe bolt kits

  • Track master pin kits

  • Wear plates (undercarriage protection)

  • Track idler guide plates

  • Track idler wear kits

  • Bottom roller bolts

These Case 650 Series undercarriage parts are manufactured for factory-style fit across multiple gauge widths and undercarriage configurations. Heavy-duty steel sprockets and rollers are matched to original pitch and frame geometry to maintain correct drivetrain engagement. Wide track and LGP options are available for machines requiring increased flotation and ground contact.

Key Notes:

Application: Undercarriage and track system components for Case 650, 650G, 650H, 650K, and 650L dozers.
Coverage: Standard, LT/XLT, LGP, and WT configurations with gauge-specific fitment where required.
Material/Build: Heavy-duty steel components for high-wear drive and ground contact areas.
Function: Restores traction, sprocket engagement, and proper track alignment.
Made In / Brands: Varies by part.

Why Choose Broken Tractor:

✅ Model-Specific Undercarriage Components
✅ Exact-Fit Parts for LT, LGP & WT Machines
✅ Heavy-Duty Wear Parts for Demanding Use

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Product: Category: Case 650 Series Dozer Undercarriage Brand: Head Title: Case 650 Series Undercarriage | Broken Tractor