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450C LGP & Long Track, 550* | Track Tension Adjuster | R54459 |
$739.00
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550 After Serial # JAK13968 | Complete Track Adjuster | R57442 |
$674.00
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550E, 550G, 550H | Complete Track Adjuster | R58480 |
$674.00
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550E, 550G, 550H | Rod Spacer, Track Adjuster | R58451 |
$90.00
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(450 After Ser# 3050800), 450B, 450C, 455C, 550E, 550G | Recoil Spring Assembly - (Left Hand) | 0 | 187916A2 |
$775.00
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(450 After Ser# 3050800), 450B, 450C, 455C, 550E, 550G | Recoil Spring Assembly - (Right Hand) | 187917A2 |
$775.00
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450*, 450B, 450C, 550, 550E, 550G, 550H | Cover, Track Adjuster | R57631 |
$94.00
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450B, 450C, 455, 455B, 455C, 550, 550E, 550G, 550H | Track Adjuster Yoke | 389390A1 |
$412.00
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450C Long Track, 550 Before Serial# JAK13967 | Track Adjuster Rod | R54460 |
$214.00
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550 After Serial# JAK13968 | Track Adjuster Rod | R57443 |
$198.00
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550E, 550G, 550H | Track Adjuster Rod | R58450 |
$198.00
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450, 450B, 450C, 455, 455B, 455C, 550, 550E, 550G, 550H | Track Adjuster Seal Kit | 907002 |
$39.00
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Case 550-Series Track Adjusters & Recoil Springs
Case 550 Series track adjusters and recoil springs for correcting loose tracks, replacing worn tension assemblies, and restoring proper idler alignment. This category fits Case 550 (including units after Serial #JAK13968 where noted), 550E, 550G, and 550H dozers, including LT and LGP configurations. Coverage includes complete track adjuster assemblies, left- and right-hand recoil spring assemblies, adjuster rods, spacer tubes, yokes, protective covers, and seal kits. These Case 550 Series track adjuster components are designed to bring track tension back to specification and prevent uneven undercarriage wear.
Fits:
550 (After Serial #JAK13968 where specified)
550E
550G
550H
Common Repair Issues
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Track sagging or over-tightening
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Leaking hydraulic track adjuster
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Broken or weak recoil spring
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Bent or worn adjuster rods
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Idler drifting out of alignment
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Damaged adjuster seals causing pressure loss
Parts Covered in This Category
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Complete track tension adjuster assemblies
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Recoil spring assemblies (LH & RH)
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Track adjuster rods (standard and chrome)
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Track adjuster rod spacer tubes
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Track adjuster yokes
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Track adjuster protective covers
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Track adjuster seal kits
These Case 550 Series track adjusters and recoil springs are manufactured for factory-style fit across LT and LGP machines, including serial number breaks where required. Heavy-duty steel rods, yokes, and mounting components help maintain proper idler position under load. Seal kits allow resealing of existing adjusters to correct grease leaks without replacing the full assembly.
Key Notes:
Application: Track tension and recoil systems for Case 550, 550E, 550G, and 550H dozers.
Coverage: LT and LGP configurations with serial-specific fitment where noted.
Material/Build: Heavy-duty steel components with hydraulic and spring-loaded assemblies.
Function: Maintains correct track tension to prevent derailment and premature undercarriage wear.
Made In / Brands: Varies by part.
Why Choose Broken Tractor:
✅ Model-Specific Track Tension Components
✅ Exact-Fit Parts for Serial & Configuration Breaks
✅ Heavy-Duty Replacement Parts for Undercarriage Repair
