Komatsu Dozer Track Tensioner & Recoil Spring
Each number on the image is a "Ref #" that can be matched on the table below.
| REF # | Image | Fits Model | Description | Part # | Price | Product Details | |
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D31A-16, D31A-17, D31P-16, D31P-17, D31S-16, D31S-17, D31E-18*, D37E-1, D37E-2, D37P-2, D31P-20 | Track Recoil Spring Cover, Right-Hand | 11G-30-37121 |
$276.00
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BR200S-1, BM020C-1, BZ210-1-W1, D20–D85 series including D21, D31, D37, D39, D41, D61, D65, D68, D70, D85 (various versions and emissions specs) | Grease Valve | 203-30-42260 |
$38.00
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D31A-16, D31A-17, D31AM-20, D31E-18, D31E-20, D31P-16, D31P-17, D31P-18, D31P-18A, D31P-20, D31P-20A, D31PL-18, D31Q-18, D31Q-20, D37A-5, D37E-1, D37E-2, D37E-5, D37P-2, D37P-5A, D31S-16, D31S-17, D31S-18, D31S-20 | Cylinder, Track Adjuster | 113-30-34231 |
$629.00
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D31A-16, D31A-17, D31P-16, D31P-17, D31S-16, D31S-17, D31E-18, s/n 32001-, D37E-1, D37E-2, D37P-2 | Adjuster Assembly (Right Hand) | PV334 |
$865.00
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D31A-16, D31A-17, D31P-16, D31P-17, D31S-16, D31S-17, D31E-18, s/n 32001-, D37E-1, D37E-2, D37P-2 | Adjuster Assembly (Left Hand) | PV333 |
$865.00
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D31A-16, D31A-17, D31P16, D31A-16, D31A-17, D31P16, D31P-17, D31S-16, D31S-17All After Serial #25000D31E-18 & D37E-1, D37E-2D37P-2 | Track Recoil Spring and Adjuster, Left-Hand | PV328 |
From
$2,018.00
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D31A-16, D31A-17, D31P16, D31P-17, D31S-16, D31S-17All After Serial #25000 D31E-18 & D37E-1, D37E-2D37P-2 | Track Recoil Spring and Adjuster, Right-Hand | PV327 |
From
$2,018.00
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| 2 |
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D31A-16, D31A-17, D31P16, D31P-17, D31S-16, D31S-17All After Serial #25000 D31E-18 & D37E-1, D37E-2D37P-2 | Recoil Spring, Track Tension | 113-30-34210 |
$444.00
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D31PX-21, D31PX-22 | Recoil Spring Assembly | 113-30-34211RSA | Call for Price | View Info | ||
| 3 |
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D31A-16, D31A-17, D31P16, D31P-17, D31S-16, D31S-17 All After Serial #25000D31E-18 & D37E-1, D37E-2D37P-2 | Track Adjuster Cylinder, Left-Hand | 113-30-34230 |
$586.00
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D51EX-22, D51PX-22 | Recoil Spring Assembly | 124-30-64110RSA |
From
$2,030.00
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D61EX-12, D68ESS-12 | Track Recoil Spring | 134-30-63162RSA |
From
$3,500.00
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D65EX-16, D65EX-17, D65EX-18 | Recoil Spring Assembly | 14X-30-51561RSA |
From
$3,500.00
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D85EX-15 | Recoil Spring Assembly | 154-30-73130RSA | Call for Price | View Info | ||
| 4 |
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D31A-16, D31A-17, D31P16, D31P-17, D31S-16, D31S-17All After Serial #25000D31E-18 & D37E-1, D37E-2D37P-2 | Track Adjuster Cylinder, Right-Hand | 113-30-34240 |
$584.00
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D85ESS-12 | Track Recoil Spring Assembly | 203-30-66250RSA |
From
$1,050.00
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| 5 |
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D31A-16, D31A-17, D31AM-20, D31E-18, D31E-20, D31P-16, D31P-17, D31P-18, D31P-18A, D31P-20, D31P-20A, D31PL-18, D37A-5, D37E-1, D37E-2, D37E-5, D37P-2, D37P-5A, D31Q-18, D31Q-20, D31S-16, D31S-17, D31S-18, D31S-20 | Piston, Track Adjuster | 113-30-24161 |
$138.00
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D41P-6, D41P-6K | Track Recoil Spring Kit | 21K-30-24142RSA |
From
$3,150.00
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D61EX-12, D68ESS-12 | Track Adjuster Spring Kit | RSAA70 |
From
$3,080.00
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| 7 |
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D31A-16, D31A-17, D31P16, D31P-17, D31S-16, D31S-17All After Serial #25000D31E-18 & D37E-1, D37E-2D37P-2 | Recoil Spring Cover, Left-Hand | 113-30-37110 |
$296.00
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| 7 |
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D31A-16, D31A-17, D31P16, D31P-17, D31S-16, D31S-17All After Serial #25000D31E-18 & D37E-1, D37E-2D37P-2 | Recoil Spring Cover, Right-Hand | 113-30-37120 |
$296.00
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| 8 |
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(D31A-16, D31A-17, D31P-16, D31P-17, D31S-16, D31S-17, D31E-18 After Serial #25000), D37E-1, D37E-2, D37P-2 | Track Adjuster Fork | 113-30-34150 |
$536.00
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D31A-16, D31A-17, D31P16, D31P-17, D31S-16, D31S-17All After Serial #25000, D31E-18, D37E-1, D37E-2, D37P-2 | Track Adjuster Seal Kit | 0 | 909001 |
$115.00
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Track tensioners, recoil springs, adjuster cylinders, spring covers, yokes, pistons, and seal kits for Komatsu crawler dozers — covering D20 through D85 series machines across multiple generations. Both left-hand and right-hand components are available individually or as complete assemblies, with many parts Made in USA by PVE Manufacturing.
Fits Models At A Glance
- D20 / D21 Series: D20P-6, D20P-7, D20P-8, D21P-6, D21P-7, D21P-8
- D31 Series: D31A-16, D31A-17, D31AM-20, D31E-18, D31E-20, D31P-16, D31P-17, D31P-18, D31P-18A, D31P-20, D31P-20A, D31PL-18, D31PX-21, D31PX-22, D31Q-18, D31Q-20, D31S-16, D31S-17, D31S-18, D31S-20
- D37 Series: D37A-5, D37E-1, D37E-2, D37E-5, D37P-2, D37P-5A
- D41 Series: D41P-6, D41P-6K
- D51 Series: D51EX-22, D51PX-22
- D61 / D65 / D68 Series: D61EX-12, D65EX-16, D65EX-17, D65EX-18, D68ESS-12
- D85 Series: D85EX-15, D85ESS-12
Key Notes
- Serial Number Breaks: Several D31E-18 and D31 series components apply only after specific serial number cutoffs — verify serial before ordering
- Handed Components: Adjuster cylinders, recoil spring covers, and spring assemblies are available in left-hand and right-hand configurations
- Assembly Options: Individual components (pistons, yokes, cylinders, springs, covers) and complete tensioner-recoil spring assemblies are both available
- Seal Kits: Track adjuster seal kits cover D31 and D37 series applications
- Grease Valve: Compatible grease valves span D20 through D85 series dozers
Why Choose Broken Tractor
- ✅ Made in USA options available for D31 and D37 series
- ✅ Wide model coverage from D20 through D85 dozers
- ✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH
