Komatsu Excavator Undercarriages
New Aftermarket, Used and Rebuilt Parts
As an industry leading supplier of new aftermarket, used and rebuilt Komatsu Excavator Undercarriages, we can save you a lot on a replacement 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
Our friendly parts specialist are standing by to assist you.
1-800-255-6253
Select Komatsu Excavator Model
All Komatsu Excavator Undercarriages
Idler Group
- Part #: 20T-30-00111
- Weight: 70.00
- Fits Machine(s): PC40-7
- Category(s): Undercarriages
Idler Group
- Part #: 3F4527055
- Weight: 70.00
- Fits Machine(s): PC40-7
- Category(s): Undercarriages
Idler Group
- Part #: 820010038
- Weight: 70.00
- Fits Machine(s): PC40-7
- Category(s): Undercarriages
Idler Group
- Part #: 820010039
- Weight: 70.00
- Fits Machine(s): PC40-7
- Category(s): Undercarriages
20t-30-72110
- Part #: 20T-30-72110
- Fits Machine(s): PC40-7, PC40MR-1, PC40MR-2, PC40R-7, PC40R-8, PC45-1, PC45MR-1, PC45MR-3, PC45MR-5, PC45R-8, PC50MR-2, PC50UU-2, PC55MR-3, PC55MR-5, PC56-7, PC57-7, PC58SF-1, PC58UU-3
- Category(s): Undercarriages
20t-30-72111
- Part #: 20T-30-72111
- Fits Machine(s): PC40-7, PC40MR-1, PC40MR-2, PC40R-7, PC40R-8, PC45-1, PC45MR-1, PC45MR-3, PC45MR-5, PC45R-8, PC50MR-2, PC50UU-2, PC55MR-3, PC55MR-5, PC56-7, PC57-7, PC58SF-1, PC58UU-3
- Category(s): Undercarriages
20t-30-72112
- Part #: 20T-30-72112
- Fits Machine(s): PC40-7, PC40MR-1, PC40MR-2, PC40R-7, PC40R-8, PC45-1, PC45MR-1, PC45MR-3, PC45MR-5, PC45R-8, PC50MR-2, PC50UU-2, PC55MR-3, PC55MR-5, PC56-7, PC57-7, PC58SF-1, PC58UU-3
- Category(s): Undercarriages
20t-30-r276051
- Part #: 20T-30-R276051
- Fits Machine(s): PC40-7, PC40MR-1, PC40MR-2, PC40R-7, PC40R-8, PC45-1, PC45MR-1, PC45MR-3, PC45MR-5, PC45R-8, PC50MR-2, PC50UU-2, PC55MR-3, PC55MR-5, PC56-7, PC57-7, PC58SF-1, PC58UU-3
- Category(s): Undercarriages
22l-09-r1s20
- Part #: 22L-09-R1S20
- Fits Machine(s): PC40-7, PC40MR-1, PC40MR-2, PC40R-7, PC40R-8, PC45-1, PC45MR-1, PC45MR-3, PC45MR-5, PC45R-8, PC50MR-2, PC50UU-2, PC55MR-3, PC55MR-5, PC56-7, PC57-7, PC58SF-1, PC58UU-3
- Category(s): Undercarriages
20t-30-00120
- Part #: 20T-30-00120
- Weight: 70.00
- Fits Machine(s): PC40-7, PC50UU-2
- Category(s): Undercarriages
Recoil Spring Assembly
- Part #: 20T-30-82131
- Fits Machine(s): PC50MR-2
- Category(s): Undercarriages
Idler Group
- Part #: 20T-30-00112
- Weight: 63.00
- Fits Machine(s): PC50UU-2
- Category(s): Undercarriages
Track Chain / Rail
- Part #: 20T-32-00081
- Weight: 560.00
- Fits Machine(s): PC50UU-1
- Category(s): Undercarriages
Track Grouser Pad / Shoe
- Part #: KM2918/550
- Fits Machine(s): PC50MR-2
- Category(s): Undercarriages
Track Grouser Pad / Shoe
- Part #: KM2918/480
- Fits Machine(s): PC50MR-2
- Category(s): Undercarriages
Track Grouser Pad / Shoe
- Part #: KM2918/400
- Fits Machine(s): PC50MR-2
- Category(s): Undercarriages
Idler Group
- Part #: 208-30-00013
- Fits Machine(s): PC400-1, PC400LC, PC400
- Category(s): Undercarriages
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!
AMS Parts