Kobelco SK50UR-1 Tracks & Parts

Keep your Kobelco SK50UR-1 in the dirt with precision-fit 400x72.5Nx74 tracks and matched undercarriage parts. OEM-quality build, 24-month warranty, free freight.

Kobelco SK50UR-1 Track Specs

  • Track size: 400x72.5Nx74
  • Width: 400 mm
  • Pitch: 72.5 mm
  • Links: 74
  • Guide: Offset guide

Tread Options for the Kobelco SK50UR-1

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

Same Track, Other Machines

The 400x72.5Nx74 track size is shared across these models — same track, verified cross-fit:

Built to Outlast OEM

  • 24-month warranty on every track — confidence that outlasts the competition.
  • Continuous steel cord — up to 40% stronger than typical aftermarket tracks, resisting stretch and de-tracking.
  • Premium virgin rubber — anti-chunk compound built for long service life in abrasive conditions.
  • Endless high-tensile cables — single-cure construction with no weak splice point.

Ready to roll? Buy your Kobelco SK50UR-1 undercarriage online now — or reach a track specialist at (850) 816-7898. Use the Track Finder to confirm the right build.

Free US Shipping100% Fit GuaranteePremium OEM Quality

Kobelco SK50UR-1 Rubber Tracks | 400x74x72

Track sizes

Rubber tracks

  • Bridgestone 400x72.5Nx74 MX rubber track — hero

    Request quote

Which tread fits Kobelco SK50UR-1?

Pick a tread for your jobsite — then buy above.
+ Recommended surface- Not the primary use— Application dependent
PatternBest UseKey TraitsRoadClayGravelMulchMudTurfAction
M MxMachine-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.

Kobelco SK50UR-1 fitment data

Fitment & Part Numbers

Track Size400x72.5Nx74

Frequently Asked Questions

Common fitment, shipping, and rubber track replacement questions

Will this track fit my Kobelco SK50UR-1?
Yes — this track is matched to the Kobelco SK50UR-1 by size and tread pattern.
Directional or block tread — which should I run?
For mixed dirt and gravel, most Kobelco SK50UR-1 owners run a directional (multi-bar) tread for traction and mud release. Block tread wears better on hard surfaces and pavement.
How long do Kobelco SK50UR-1 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.