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TrackTECH

Komatsu PC45MR-3 Rubber Track | 400x72.5x74

Komatsu PC45MR-3 Rubber Track | 400x72.5x74

Regular price $1,282.35 USD
Regular price $1,417.00 USD Sale price $1,282.35 USD
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Premium Komatsu PC45MR-3 Rubber Track (400×72.5×74N) – Heavy-Duty Performance

The 400×72.5×74N rubber track for the Komatsu PC45MR-3 Mini Excavator is engineered for strong tracking, dependable pull, and long-term wear resistance in harsh terrain and high-hour use. Built with heavy-duty rubber construction built around continuous steel cord technology, this TrackTECH track is designed to handle land clearing, material handling, and dirt work while maintaining strong tracking and dependable traction.

Key Features & Benefits

  • Heavy-Duty Construction: Steel cord construction resists stretching and helps maintain consistent tracking
  • Superior Traction: Balanced tread profile delivers dependable bite without sacrificing smooth travel
  • Extended Service Life: Wear-resistant compound helps reduce cracking, chunking, and premature tread loss
  • Reduced Vibration: Engineered geometry helps reduce vibration and noise for better operator comfort
  • OEM-Quality Fit: Manufactured to meet or exceed OEM fit standards for Komatsu PC45MR-3 for confident installation

Warranty & Support

This rubber track is backed by our 24-month Warranty for Komatsu PC45MR-3 rubber tracks, covering defects in materials and workmanship.

Why Choose TrackTECH?

  • Knowledgeable support to help you confirm fit and get back to work
  • Fitment-focused quality control and consistency you can trust
  • Fast shipping and reliable freight delivery nationwide
  • Contractor-grade rubber tracks built for real jobsite demands

Replace worn tracks on your Komatsu PC45MR-3 and keep your Mini Excavator performing at full capacity.

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Specifications

Technical Dimensions
Track Size 400x72.5x74
Width 400 mm
Pitch 72.5 mm
Link Count 74
Weight 607 lbs
Construction & Features
Core Technology Continuous Steel Cord
Rubber Compound 100% Virgin Rubber
Guide System N
Fitment Type Direct-Fit OEM
Condition Brand New

24-Month Certified Warranty

Coverage against defects for 2 years or 1,500 hours.

TREAD PATTERN

Directional

Directional tread patterns feature forward-angled lugs optimized for straight-line traction and stability. This design excels in trenching, grading, and precision digging.

View All Tread Patterns →
Directional tread pattern close-up

Verified OEM Fitment

Confirmed compatible with Komatsu PC45MR-3. Validated against TrackTECH’s database to match OEM geometry.

  • Width 400mm
  • Pitch 72.5mm
  • Links 74
  • Guide N

COMPATIBLE EQUIPMENT

This track fits the following machines

400x72.5x74

FREQUENTLY ASKED QUESTIONS

Common questions about Komatsu PC45MR-3 rubber tracks

The Komatsu PC45MR-3 uses a 400x72.5x74 rubber track. This is the OEM-specified size ensuring proper fitment with your sprockets and undercarriage. Always verify the size stamp on your existing track before ordering.

All Komatsu PC45MR-3 replacement rubber tracks include a 24-month Certified Warranty warranty covering defects in materials and workmanship under normal operating conditions. This applies to contractor-grade use on properly maintained undercarriage systems.

The Komatsu PC45MR-3 is available with Directional tread pattern. C-Block excels on hard surfaces, Zig-Zag provides all-season traction, and Multi-Bar is ideal for turf and landscaping work.

Orders placed before 12 PM CT ship same day from our Georgia warehouse. Standard delivery is 1-3 business days nationwide. Tracks ship on pallets with free curbside delivery to commercial addresses.

Three ways to verify fitment: (1) Check the size stamp on your current track. (2) Use our Track Finder tool with your serial number. (3) Call {{ tt_phone }} and we will confirm compatibility before you order.