Quick Search Quick Search
We are Here to Help! Call a Parts Expert!
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.


Our friendly parts specialist are standing by to assist you.
1-800-255-6253

Select Komatsu Undercarriages Machine Type

All Komatsu Undercarriages

Idler Group 20R-30-00021

Idler Group

  • Part #: 20R-30-00021
  • Fits Machine(s): PC30-5
  • Category(s): Undercarriages
View Part
Idler Group 20R-30-00022

Idler Group

  • Part #: 20R-30-00022
  • Fits Machine(s): PC30-5
  • Category(s): Undercarriages
View Part
Idler Group 20T-30-00102

Idler Group

  • Part #: 20T-30-00102
  • Fits Machine(s): PC30-5
  • Category(s): Undercarriages
View Part
Idler Group 3F3027054

Idler Group

  • Part #: 3F3027054
  • Fits Machine(s): PC30-5
  • Category(s): Undercarriages
View Part
Idler Group 820010036

Idler Group

  • Part #: 820010036
  • Fits Machine(s): PC30-5
  • Category(s): Undercarriages
View Part
Idler Group 820010037

Idler Group

  • Part #: 820010037
  • Fits Machine(s): PC30-5
  • Category(s): Undercarriages
View Part
Idler Group 20S-30-00120

Idler Group

  • Part #: 20S-30-00120
  • Fits Machine(s): PC30-7
  • Category(s): Undercarriages
View Part
Idler Group 207-30-00160

Idler Group

  • Part #: 207-30-00160
  • Weight: 418.00
  • Fits Machine(s): PC300-3, PC300-5, PC300-6, PC300LC-3, PC300LC-5, PC300LC-6
  • Category(s): Undercarriages
View Part
Track Guide 207-30-32111

Track Guide

  • Part #: 207-30-32111
  • Fits Machine(s): PC300-3, PC300LC-3
  • Category(s): Undercarriages
View Part
Track Adjuster 207-30-34133

Track Adjuster

  • Part #: 207-30-34133
  • Fits Machine(s): PC300-3, PC300LC-3
  • Category(s): Undercarriages
View Part
Yoke 207-30-54110

Yoke

  • Part #: 207-30-54110
  • Fits Machine(s): PC300-5, PC300-7, PC300LC-5, PC400-5, PC400LC-5, PC400LC-6LC, PC400LC-6LK, PC400LC-6
  • Category(s): Undercarriages
View Part
Yoke 208-30-54111

Yoke

  • Part #: 208-30-54111
  • Fits Machine(s): PC300-5, PC300-7, PC300LC-5, PC400-5, PC400LC-5, PC400LC-6LC, PC400LC-6LK, PC400LC-6
  • Category(s): Undercarriages
View Part
Recoil Spring Assembly 208-30-68430

Recoil Spring Assembly

  • Part #: 208-30-68430
  • Fits Machine(s): PC300-5, PC300-6, PC300LC-5, PC380LC-6, PC400-5, PC400HD-6LK, PC400LC-5, PC400LC-6LC, PC400LC-6LK, PC400LC-6, PC450-6, PC450LC-6
  • Category(s): Undercarriages
View Part
32" Track Pads KM1643/800

32" Track Pads

  • Part #: KM1643/800
  • Fits Machine(s): PC300-5, PC300LC-5
  • Category(s): Undercarriages
View Part
Idler Group 207-30-00161

Idler Group

  • Part #: 207-30-00161
  • Fits Machine(s): PC300-7, PC300LC-7, PC308USLC-3
  • Category(s): Undercarriages
View Part
Track Chain / Rail KM2489/49M

Track Chain / Rail

  • Part #: KM2489/49M
  • Fits Machine(s): PC300HD-8
  • Category(s): Undercarriages
View Part
Track Adjuster Assembly 207-30-74150

Track Adjuster Assembly

  • Part #: 207-30-74150
  • Fits Machine(s): PC300LC-8
  • Category(s): Undercarriages
View Part
Trk Adj Pc300-7 207.30.00370

Trk Adj Pc300-7

  • Part #: 207.30.00370
  • Weight: 628.00
  • Fits Machine(s): PC350LC-8
  • Category(s): Undercarriages
View Part
Top Roller 20T-30-83101

Top Roller

  • Part #: 20T-30-83101
  • Fits Machine(s): PC35R-8
  • Category(s): Undercarriages
View Part
Top Roller 3F4528051

Top Roller

  • Part #: 3F4528051
  • Fits Machine(s): PC35R-8
  • Category(s): Undercarriages
View Part
We are Here to Help!
Don't see what you're looking for? New aftermarket, used and rebuilt options!

Need a little extra help? Give one of our friendly, knowledgeable parts experts a call and we'll have your machine back up and running in no time.

Call a Parts Expert!
Part Sales Account Executive