| Image | Fits Model | Description | Part # | Price | Product Details | |
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850, 1150 | Track Tension Adjuster | D39930 |
$810.00
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850, 1150 | Track Idler Yoke, 6-Roller | D36360 |
$374.00
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850B, 850C, 850D, 855C, 855D | Track Tension Adjuster (5-Roller) | R32467 |
$838.00
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650G, 750H, 850H | Extension Tube, Track Adjuster | 345070A2 |
$84.00
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850D Long Track, 850E, 850G, 850H (6 Roller) | Track Adjuster Rod Extension (13.5" Long) | 345071A1 |
$87.00
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850K Ser. 2, 850K Ser. 3, 850L | Tube, Rod Extension | 436240A1 |
$107.00
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650K, 750K, 750L, 750M LT, 750M WT, 750M LGP, 850K, 850L, 850M LT, 850M WT, 850M LGP, D75, D85, D85B, D95, D95B, DC75, DC85, DC95 | Recoil Assembly | 419386A1 |
$850.00
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850D Long Track, 850E Long Track, 850G | Track Adjuster Front Cover Shield | 126564A1 |
$176.00
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850, 1150 | Rod, Track Adjuster | D36361 |
$328.00
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850B, 850C, 850D, 855C, 855D (5 Roller) | Rod, Track Adjuster | R31983 |
$291.00
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850, 1150 | Tube, Track Adjuster | D36357 |
$360.00
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850, 1150 | Seal Kit, Track Adjuster | 907003 |
$48.00
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Case 850 & 855 Track Adjusters & Recoil Springs
Case 850 and 855 track adjuster and recoil spring components for restoring proper track tension and undercarriage alignment. This category fits Case 850, 850B, 850C, 850D, 850E, 850G, 850H, 850K, 850L, 850M, and 855C, 855D, 855E machines, including both 5-roller and 6-roller undercarriage configurations where specified.
Coverage includes complete hydraulic track tension adjusters, recoil spring assemblies, adjuster rods, rod extension tubes, spacer tubes, yokes, seal kits, and protective cover shields. These Case 850/855 track adjuster parts are designed to maintain proper chain tension, prevent track derailment, and protect internal recoil components from contamination and damage.
Fits:
850
850B
850C
850D (Standard & LT)
850E
850G
850H
850K
850L
850M
855C
855D
855E
Common Repair Issues
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Loose or over-tight track tension
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Hydraulic adjuster leaks
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Damaged or seized adjuster rods
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Worn or broken recoil springs
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Bent idler yokes
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Torn or leaking adjuster seals
Parts Covered in This Category
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Complete track recoil assemblies
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Complete hydraulic track tension adjuster assemblies
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5-roller and 6-roller adjuster kits
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Track adjuster rods
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Rod extension tubes and spacer tubes
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Track adjuster tubes
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Idler yokes (fork style)
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Track adjuster front cover shields
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Track adjuster seal kits
Options are available for standard and long track (LT) machines, as well as later 850K/850L/850M models. Serial-specific components (such as rod extension tubes for 850K Series 2 & 3) ensure proper stroke length and alignment. Seal kits allow resealing of existing hydraulic adjusters to correct leaks without full assembly replacement.
Key Notes:
Application: Track tension and recoil system components for Case 850 and 855 dozers and loaders.
Coverage: 5-roller and 6-roller undercarriages, including LT and later K/L/M models where specified.
Function: Maintains correct chain tension, supports idler movement, and absorbs shock loads.
Service Tip: Always inspect idler bushings, yokes, and guard clearance when replacing adjuster components.
Made In / Brands: Varies by part.
Why Choose Broken Tractor:
✅ Complete Adjuster & Recoil Assemblies
✅ Exact-Fit Parts for 5 & 6 Roller Frames
✅ Seal Kits & Components for Cost-Effective Repairs
