CAT 308DCRSB Tracks & Parts

High-grade CAT 308DCRSB rubber tracks and undercarriage parts, engineered to ment in 450x81Nx78. Heavy-duty construction for digging, grading and trenching — every order ships free.

CAT 308DCRSB Track Specs

  • Track size: 450x81Nx78
  • Width: 450 mm
  • Pitch: 81.0 mm
  • Links: 78
  • Guide: Offset guide

Tread Options for the CAT 308DCRSB

  • Directional — Angled directional lugs purpose-built for excavation, grading and trenching.

Complete the CAT 308DCRSB Rebuild

Complete the rebuild with matched-fit components for the CAT 308DCRSB:

Tracks That Cross Over

Looking for another machine? The 450x81Nx78 size also fits:

What You Get with TrackTECH

  • Continuous steel cord — up to 40% stronger than typical aftermarket tracks, resisting stretch and de-tracking.
  • Endless high-tensile cables — single-cure construction with no weak splice point.
  • Premium virgin rubber — anti-chunk compound built for long service life in abrasive conditions.
  • Precision OEM alignment — a reinforced roller path keeps running smooth and vibration low.

Order your CAT 308DCRSB tracks and parts today, or call (850) 816-7898 for build help. Not sure on size or guide? The Track Finder has you covered.

Free US Shipping100% Fit GuaranteePremium OEM Quality

Find Your Track Call TrackTECH
450x81Nx78 Rubber Track | Directional - close up

Track sizes

Rubber tracks

  • 450x81Nx78 rubber track — directional tread hero
    CAT 308DCRSB 450x81Nx78 Directional
    • Heavy Duty | 450x81Nx78

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Which tread fits CAT 308DCRSB?

Pick a tread for your jobsite — then buy above.
+ Recommended surface- Not the primary use— Application dependent
PatternBest UseKey TraitsRoadClayGravelMulchMudTurfAction
D DirectionalMachine-matched track option Available for this machine from the governed TrackTECH fitment record. Review the track option above for current price and availability.
  • Governed Fitment
  • Machine-Matched
  • Current Commerce Data
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Built for Heavy Duty Use

Heavy-Duty Track Construction

Setting a new standard in heavy-duty performance. Find your exact fit, reduce avoidable downtime, and keep your machine working — not waiting.

  • Brand New

    New belts — not remills or retreads.

  • Heavy-Duty Steel Guides

    Precision-formed internal steel components support consistent sprocket engagement.

  • Continuous Steel Cord

    Continuous internal steel reinforcement supports belt strength under repeated load.

  • Premium Wear-Resistant Rubber

    Heavy-duty rubber construction built for abrasion and daily commercial use.

  • Precision Fitment

    Governed width, pitch, and link count for the machine application.

  • High-Traction, Low-Vibration

    Tread patterns matched to the jobsite.

CAT 308DCRSB fitment data

Fitment & Part Numbers

Track Size450x81Nx78
Roller127-3806
About CAT 308DCRSB Tracks & Parts

High-grade CAT 308DCRSB rubber tracks and undercarriage parts, engineered to ment in 450x81Nx78. Heavy-duty construction for digging, grading and trenching — every order ships free. CAT 308DCRSB Track Specs Track size: 450x81Nx78 Width: 450 mm Pitch: 81.0 mm Links: 78 Guide: Offset guide Tread Options for the CAT 308DCRSB Directional — Angled directional lugs purpose-built for excavation, grading and trenching. Complete the CAT 308DCRSB Rebuild Complete the rebuild wi

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Frequently Asked Questions

Common fitment, shipping, and rubber track replacement questions

Will this track fit my CAT 308DCRSB?
Yes — this track is matched to the CAT 308DCRSB by size and tread pattern.
Do you stock undercarriage parts for the CAT 308DCRSB?
Yes — along with the rubber track we carry bottom rollers, top rollers for the CAT 308DCRSB, so you can refresh the whole undercarriage in one order.
How long do CAT 308DCRSB rubber tracks last?
Most rubber tracks last 1,200–1,600 operating hours depending on terrain, alignment, and tension. Keeping tracks tensioned and clearing debris daily extends life.