Heavy-Duty 300x52.5Nx78 Rubber Track – MX

Komatsu PC20MR-1

300x52.5Nx78 Heavy-Duty Rubber Track | MX

Item 300525N78HD

$887.50per track · sold individually

Tread Pattern:MX

Track Size:300x52.5x78 (12")

300x52.5Nx78 (12")

Verified fitmentfor Komatsu PC20MR-1 Mini Excavators.

In stock2 available across 2 locations

Quantity

Sold individually. Many operators replace both sides together for even wear.

Design Features

Built for demanding compact-equipment applications, this Heavy Duty MX track for Komatsu PC20MR-1 combines reinforced construction with a tread profile designed for dependable traction and wear.

CSC steel-cord reinforcement: Continuous steel-cord construction helps resist stretch and internal separation under heavy load.
Drop-forged steel guides: Heavy-duty internal guides are built to manage drive loads and help keep the track centered.
Heavy-duty rubber compound: Durable rubber construction is designed to resist cuts, chunking, abrasion, and cracking.
MX tread geometry: The tread profile is designed to maintain traction while clearing material from the contact surface.

COMPLETE THE MACHINE

Complete Your Undercarriage

1 / 1

Track Pad · BO101-300

Komatsu PC20MR-1 Track Pad - Part #BO101-300$15.00

RELATED OPTIONS

More options in this track size

Track Pad | BO101-300

Part Type: Track Pad

Part Number: BO101-300

$15 each

In stock8 available · 2 locations

Volume / fleet pricing →

FITMENT

Compatible Machines

19 shown

Case CX26C Hitachi EX20UR-2 Hitachi EX20UR-3 Hitachi EX25U Hitachi EX27U Hitachi EX29U Hitachi EX29UR Hitachi ZX27U Hyundai ROBEX25Z9A Hyundai ROBEX25Z9AK John Deere 27CZTS John Deere 27ZTS Komatsu PC20MR Komatsu PC20MR-1 Komatsu PC20MR-2 Komatsu PC20MRX Komatsu PC20MRXUTILITY Komatsu PC20UU Komatsu PC20UU-3AVANCE

BUYING QUESTIONS

Before You Order

How do I confirm this part fits my machine?

This product is shown in the governed Heavy Iron fitment set for Komatsu PC20MR-1.

Do I need a serial number or configuration selection?

No serial or configuration selector is required in the current product context.

What happens if warehouse availability is not current?

When current warehouse availability cannot support direct checkout, the page switches to an availability request.

DesignHeavy Duty

Track Size300x52.5x78

Width300mm

Pitch52.5mm

Links78

Weight278.44lbs

OEM Cross Reference20P-35-71116, 6672774, 81MK-28010

Machine CompatibilityKomatsu PC20MR-1

Free shipping nationwide: Delivery is available directly to shops, yards, residences, businesses, and jobsites. Freight method depends on shipment size and destination.

24-month warranty: Heavy Iron rubber tracks include 24-month warranty coverage against qualifying manufacturing defects, subject to the applicable warranty terms.