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Komatsu Undercarriages | Aftermarket New, Used and Rebuilt

Komatsu Undercarriages

New Aftermarket, Used and Rebuilt Komatsu Undercarriages

AMS can save you a lot on new aftermarket, used and rebuilt Komatsu Undercarriages and related parts. We offer everything from attachments, final drives, undercarriages, engines, cylinders, cabs, pumps and much more for all makes and models of construction equipment. We have a national reach for all of our customers and provide parts to customers around the globe. To request a quote, simply give us a call or click the Get Quote button below and a parts specialist will reply with a quote in minutes.


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Select Komatsu Undercarriages Machine Type

All Komatsu Undercarriages

Recoil Spring 21K-30-24141

Recoil Spring

  • Part #: 21K-30-24141
  • Weight: 94.80
  • Fits Machine(s): D41P-6
  • Category(s): Undercarriages
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Recoil Spring 21K-30-24142

Recoil Spring

  • Part #: 21K-30-24142
  • Weight: 90.20
  • Fits Machine(s): D41P-6
  • Category(s): Undercarriages
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Tcr Assy Ex550 21M-30-00201

Tcr Assy Ex550

  • Part #: 21M-30-00201
  • Weight: 102.00
  • Fits Machine(s): PC600-7
  • Category(s): Undercarriages
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Idler Grp Pc600 21M-30-00301

Idler Grp Pc600

  • Part #: 21M-30-00301
  • Weight: 668.80
  • Fits Machine(s): PC600LC-8
  • Category(s): Undercarriages
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Tla S&g Ex550 21M-32-00200

Tla S&g Ex550

  • Part #: 21M-32-00200
  • Weight: 3072.45
  • Fits Machine(s): PC650LC-8
  • Category(s): Undercarriages
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Roller 21U-30-31301

Roller

  • Part #: 21U-30-31301
  • Weight: 13.70
  • Fits Machine(s): PC35MR-2
  • Category(s): Undercarriages
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Idler Pc20/25 21U-30-31600

Idler Pc20/25

  • Part #: 21U-30-31600
  • Fits Machine(s): PC30MRX-1
  • Category(s): Undercarriages
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Sprocket 21W-27-41110

Sprocket

  • Part #: 21W-27-41110
  • Weight: 37.40
  • Fits Machine(s): PC78MR-6, PC78US-6
  • Category(s): Undercarriages
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Tcr Pc40-7/pc60 21W-30-00090

Tcr Pc40-7/pc60

  • Part #: 21W-30-00090
  • Weight: 16.00
  • Fits Machine(s): PC40-7
  • Category(s): Undercarriages
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Recoil Spring, 21W-30-41170

Recoil Spring,

  • Part #: 21W-30-41170
  • Weight: 35.27
  • Fits Machine(s): PC60-7, PC78MR-6, PC78US-6
  • Category(s): Undercarriages
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Sprocket Pc100 22B-27-11110

Sprocket Pc100

  • Part #: 22B-27-11110
  • Weight: 81.40
  • Fits Machine(s): PC138USLC-8
  • Category(s): Undercarriages
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Recoil Spring 22B-30-11240

Recoil Spring

  • Part #: 22B-30-11240
  • Weight: 46.52
  • Fits Machine(s): PC100-6, PC120-6, PC128US-2, PC130-6
  • Category(s): Undercarriages
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Hardware RSM264613

Hardware

  • Fits Machine(s): D21P-6
  • Category(s): Undercarriages
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Track Adjuster Assembly RSM264614

Track Adjuster Assembly

  • Fits Machine(s): D21P-6
  • Category(s): Undercarriages
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Track Adjuster Yoke RSM264615

Track Adjuster Yoke

  • Fits Machine(s): D21P-6
  • Category(s): Undercarriages
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Track Frame RSM264616

Track Frame

  • Fits Machine(s): D21P-6
  • Category(s): Undercarriages
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Recoil Spring Assembly RSM264617

Recoil Spring Assembly

  • Fits Machine(s): D21P-6
  • Category(s): Undercarriages
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Rockguard RSM264618

Rockguard

  • Fits Machine(s): D21P-6
  • Category(s): Undercarriages
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Master Pin RSM264619

Master Pin

  • Fits Machine(s): D21P-6
  • Category(s): Undercarriages
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Master Link RSM264620

Master Link

  • Fits Machine(s): D21P-6
  • Category(s): Undercarriages
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