This aftermarket bottom roller is a track undercarriage component designed to support the track chain and guide it along the lower track frame. It is identified by reference number 201-30-00314 and is intended for select Komatsu excavator models. The roller mounts in the lower track assembly and rotates as the chain passes over it.
Product Details
Reference Number: 201-30-00314
Product Type: Bottom Roller
Application: Excavator track undercarriage
Fitment & Compatibility
Fits Komatsu PC78MR-6
Fits Komatsu PC80MR-3
Fits Komatsu PC88MR-8
Fits Komatsu PC88MR-10
Frequently Asked Questions
Q: What is a bottom roller used for on an excavator? A: A bottom roller supports and guides the track chain along the lower undercarriage as the machine moves.
Q: How do I confirm this roller fits my machine? A: Check your complete excavator model and existing part number against reference number 201-30-00314 before ordering.
This is an aftermarket replacement part. Confirm fitment before purchase.
