Cat Dozer Track Adjuster & 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 | |
| 2 |
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D3C*, D4C* | Track Tensioner and Recoil Spring Kit | PV338 |
$1,593.00
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| 1 |
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D3C*, D4C* | Track Tensioner and Recoil Spring Kit | PV339 |
$1,593.00
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| 2 |
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D5C, D5G | Track Adjuster and Recoil Spring Assembly | PV342 |
From
$1,758.00
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| 2 |
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D3G* | Track Adjuster | PV341 |
$1,593.00
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D4 | Complete Adjuster | 0 | PV310X |
$380.00
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| 1 |
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D3C (5CJ1048-, 5ZG58-, 8DG148-, 7XL1-1107) D4C (7KG907-, 9BG465-, 1FW, 8CS | Track Tensioner and Recoil Spring Kit | PV340 |
$1,592.00
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| 2 |
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D3B*, D3C*, D4C* | Track Tensioner and Recoil Spring Kit | PV335 |
From
$1,661.00
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| 1 |
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D3 (78U, 79U), D3B (27Y) | Yoke (5 Bottom Roller UC) | 6S3275 |
$535.00
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| 1 |
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D6K (DHA, FBH), D6K2 (RST, WMR, MXK, RPR) | Yoke, Track Adjuster | 382-6529 |
$1,249.00
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| 1 |
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D3B*, D3C*, D4C* | Adjuster Yoke, 37 1/4" Long | 6S7399 |
$572.00
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| 1 |
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D3C (Serial # After 4HJ881, After 7JG150, 4KS, 6SL1–2943), D4C LGP (Serial # 4LS, 6YL, 6SL1–2943) | Yoke (6-Bottom Roller UC) | 5G4381 |
$573.00
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D3G | Yoke, Track Idler | 174-6997 |
$573.00
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D5C (Series: 9DL, 5HS, 6CS, 6ZL, 3MK, 6PJ) | Yoke, Track Idler | 8Y6652 |
$629.00
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| 1 |
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D4G Serial # FDC1 - 520, CFN1 -1071 | Yoke | 174-7003 |
$592.00
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| 2 |
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Cat D3 (Ser# 78U - 79U), Cat D3B (Ser#27Y) - 5-Roller | Complete Track Adjuster | PV322 |
$1,150.00
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D5C (9DL, 5HS, 6CS, 6ZL, 3MK, 6PJ), D5G | Yoke, Track Idler | 174-7004 |
$629.00
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D5C, D5G | Spring Assembly | PV343 |
$1,183.00
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| 3 |
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D3 Ser# 79U, D3B (Ser# 27-Y, LGP 24Y), D3C (Ser# 1PJ1-137, 6PF1-144, 7JF1-179, 8BF-148), D4C Ser# 1RJ1-635, 2CJ1-125 | Recoil Spring | 5K2754 |
$344.00
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| 3 |
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D3C Serial # After 4HJ881, After 7JG150, After 5CJ1048, After 5ZG58, 8DG148, 7XL1-11074KS, 6SL1-2943, After 1PJ138, After 6PF145, After 8BF149, 7JF180-334, 4HJ1 - 880, 5CJ1 - 1047, 5ZG1 - 57, 8DG1 - 147 D3G Standard Undercarriage, D3G, D4C Serial # | Tension Spring | 8Y2735 |
$304.00
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D3C, D3G, D4C, D4G | Spring Assembly | PV345 |
$1,068.00
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D3B (27Y, 24Y), D3C (1PJ1-137, 6PF1-144, 7JF1-179, 8BF1-148), D4C (1RJ1-635, 2CJ1-125, 2CJ126-429 Type 1) | Spring Assembly | PV346 |
$1,134.00
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Cat D6K* (Serial #'s Beginning with DHA, NCF, FBH, HMG) / D6K-2* (SN Begining with RST, MXK, RPR, WMR) | Track Adjuster and Recoil Spring Assembly | 239-8247 |
From
$1,983.00
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D5C, D5G | Adj. Tube, R/H w/ Nut | 122-2455 |
$739.00
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D5C, D5G | Adjustable Tube L/H w/ Nut | 122-2456 |
$739.00
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| 5 |
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Cat D3 Ser# 78U, D3B (Ser# 27-Y, LGP 24Y), Cat D3C (Ser# 1PJ1-137, 6PF1-144, 7JF1-179, 8BF-148), D4C Ser# 1RJ1-635, 2CJ1-125 | Tube with Nut | 6S3360 |
$555.00
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| 5 |
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Cat D3C (Ser#6SL) 6-RollerCat D4C, D4C LGP (Ser# 6YL, 7SL, 1FW) 6-Roller | Tube with Nut | 112-4297 |
$655.00
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D3 (78U), D3 (79U), D3B (27Y, 24Y), D3C (1PJ1-137, 6PF1-144, 7JF1-179, 8BF1-148), D4C (1RJ1-635, 2CJ1-125, 2CJ126-429 Type 1) | Adjustable Tube with Nut | 6S3360X |
$552.00
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| 5 |
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D3C s/n (After 1PJ138, After 6PF145, After 8BF149, 7JF180-334, 4HJ1 - 880, 5CJ1 - 1047, 5ZG1 - 57, 8DG1 - 147), D4C s/n After 1RJ636, After 2CJ430, 7KG1 - 906, 9BG1 - 464) Standard Undercarriage | Tube with Nut | 8Y2733 |
$655.00
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1PJ138-, 6PF145-, 7JF180-334, 8BF149-, 4HJ1-880, 5CJ1-1047, 5ZG1-57, 8DG1-147, Serial Numbers: 1RJ636-, 2CJ126-429 Type 2, 2CJ430-, 7KG1-906, 9BG1-464 | Adjustable Tube with Nut | 8Y2733X |
$552.00
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| 4 |
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D3, D3B, D3C, D4C, D4G | Recoil Spring Pilot | 2V9025 |
$138.00
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D5G (WGB, RKG, FDH, FDW) | Track Idler Guard | 176-1281 |
$259.00
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D5K2 (KY2, RRE, YT3, KW2, WT3), D3 Next Gen | Track Adjuster Assembly | 394-3657 |
$969.00
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D3, D3B, D3C, D4C | Seal Kit | 0 | 904405 |
$30.00
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All Adjusters on this Page | Grease Fitting, Will Not Fit OEM Track Adjusters | 0 | 2S5925 |
$23.00
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Track adjusters, recoil springs, yokes, tubes, seal kits, and complete adjuster assemblies for Caterpillar crawler dozers. Coverage spans compact and mid-size Cat dozers from the D3 through D6K series, including standard and LGP undercarriage configurations across multiple serial number ranges.
Fits Models At A Glance
- D3 Series: D3 (78U, 79U)
- D3B Series: D3B (27Y, 24Y LGP)
- D3C Series: D3C (1PJ, 6PF, 7JF, 8BF, 4HJ, 5CJ, 5ZG, 8DG, 7XL, 4KS, 6SL)
- D3G Series: D3G Standard Undercarriage
- D4 Series: D4
- D4C Series: D4C, D4C LGP (1RJ, 2CJ, 7KG, 9BG, 1FW, 8CS, 4LS, 6YL)
- D4G Series: D4G (FDC, CFN)
- D5C / D5G Series: D5C, D5G
- D6K Series: D6K (DHA, NCF, FBH, HMG), D6K-2 (RST, MXK, RPR, WMR)
Key Notes
- Undercarriage Type: Listings specify standard or LGP undercarriage and 5-roller vs. 6-roller configurations — confirm before ordering
- Serial Number Sensitivity: Many adjuster components changed at specific serial number breaks; serial prefix and range are listed on each product
- Component Coverage: Includes complete adjuster and spring kits, individual tubes, yokes, recoil springs, spring pilots, seal kits, and grease fittings
- Assembly Options: Individual components and complete adjuster-plus-spring assemblies available for most covered models
Why Choose Broken Tractor
- ✅ Broad serial number coverage across Cat D3–D6K dozers
- ✅ Individual parts and complete kits available side by side
- ✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH
