Heavy Duty 15" Tracks for Mini Excavators (381x100.5x42)

Browse 381x101x42 Rubber Tracks from TrackTECH. Confirm fitment, specifications, and availability before ordering.

Heavy-Duty 381x101x42 Rubber Tracks

381x101x42 rubber tracks are built for mini excavators and compact machines that need dependable traction, smooth travel, and long service life in demanding jobsite conditions. This replacement track size supports stable machine control across excavation, trenching, utility work, drainage, landscaping, clay, gravel, and mixed terrain.

Reinforced Rubber and Steel Strength

Premium virgin rubber compounds help resist tearing, chunking, cracking, dry rot, and premature wear in harsh field conditions. Continuous steel cord reinforcement adds internal strength, helps reduce stretching, and supports consistent track stability through repeated loading, turning, and travel.

Precision-Aligned Fit Geometry

Guide lug geometry, steel link spacing, and track body construction are built for direct replacement undercarriage engagement. Proper alignment helps support smooth sprocket contact, stable tracking, reduced vibration, and less stress on rollers, idlers, and sprockets.

Built for Uptime

Heavy-duty construction and jobsite-ready traction help keep equipment productive through long operating hours. The result is a replacement rubber track built for strong value over the full life of the track.

Frequently Asked Questions

Which machines use a 381x100.5x42 rubber track?

The 381x100.5x42 size fits machines including ASV RT-50, ASV RT-65, ASV SC-50, ASV VT-70, CAT 247, CAT 257. Match your machine model and confirm width x pitch x links before ordering.

How do I know if 381x100.5x42 is my correct track size?

Read the size stamped inside your current track, or measure width (mm) x pitch (mm) x number of links. Send it to us and we'll confirm.

What tread patterns are available in this size?

Common options are directional (multi-bar) for traction and mud release, and block/C-lug for hard surfaces and pavement. Ask us which suits your jobsite.

How fast does this size ship?

In-stock sizes ship fast from US warehouses, most within 1–2 business days with tracking.

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Heavy Duty 15" Tracks for Mini Excavators (381x100.5x42)
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About Heavy Duty 15" Tracks for Mini Excavators (381x100.5x42)

381x101x42 rubber tracks that fit multiple makes and models running this size. Match by size for guaranteed fitment, then put dominant strength and maximum traction to work.

  • Continuous multi-strand steel cord engineered for full-load strength
  • Maximum-traction tread for grip across dirt, mud, gravel, and snow
  • Advanced compound for long tread life and Maximum Value Per Hour
  • Anti-vibration design for improved operator comfort

OEM-Verified Fitment

No guesswork. Photo verification ships with every order, and you can call, text, or FaceTime us anytime to lock in the right fit the first time.

We stand behind every track with a certified 24-month warranty. Free shipping, dealer-direct pricing, first-class support. Upgrade Today.

Verified fitment support

Built to keep the job moving

Get the correct rubber track size, tread pattern, and undercarriage match before you order. Send your machine model and we will verify fitment against the catalog record.

Heavy-Duty Construction Continuous steel cord and forged steel links help prevent mid-project blowouts under load.
100% Premium Grade Rubber Abrasion-resistant rubber resists cuts and chunking in mud, rock, and demolition cleanup.
Fast Freight Same-day shipping is available on qualifying orders placed before 12 PM CT.
Fitment Check We confirm size, guide, pitch, links, tread pattern, and related undercarriage parts.
Need the right track fast? Send make, model, quantity, and delivery ZIP for a verified quote.
Request Quote Check Reviews

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Frequently Asked Questions

Common fitment, shipping, and replacement parts questions

Which machines use a 381x100.5x42 rubber track?
The 381x100.5x42 size fits machines including ASV RT-50, ASV RT-65, ASV SC-50, ASV VT-70, CAT 247, CAT 257. Match your machine model and confirm width x pitch x links before ordering.
How do I know if 381x100.5x42 is my correct track size?
Read the size stamped inside your current track, or measure width (mm) x pitch (mm) x number of links. Send it to us and we'll confirm.
What tread patterns are available in this size?
Common options are directional (multi-bar) for traction and mud release, and block/C-lug for hard surfaces and pavement. Ask us which suits your jobsite.
How fast does this size ship?
In-stock sizes ship fast from US warehouses, most within 1–2 business days with tracking.