Kobelco SK50SR-3 Tracks & Parts

High-grade Kobelco SK50SR-3 rubber tracks and undercarriage parts, engineered to ment in 400x72.5Nx74. Heavy-duty construction for digging, grading and trenching — every order ships free.

Specifications at a Glance

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

Available Tread Patterns

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

Matched Undercarriage Components

Every wear part for the Kobelco SK50SR-3 undercarriage, fit-verified and ready to ship:

Bottom Roller — OEM Part #PY64D00002F3

Tracks That Cross Over

These machines run the same 400x72.5Nx74 track, so this fitment crosses over:

The TrackTECH Advantage

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.
Free freight to the lower 48 — every order ships free, with same-day dispatch on in-stock items.

Ready to roll? Buy your Kobelco SK50SR-3 undercarriage online now — or reach a track specialist at (850) 816-7898. Use the Track Finder to confirm the right build.

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Kobelco SK50SR-3 Tracks & Parts — TrackTECH rubber tracks & undercarriage parts

Track sizes

400x72.5Nx74

Rubber tracks

Kobelco SK50SR-3 400x72.5Nx74 All-Terrain
- Heavy Duty | 400x72.5Nx74
- All-Terrain Grip
- Smooth Ride
- Cut Resistant
$1,659.00
In stock

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Which tread fits Kobelco SK50SR-3?

Pick a tread for your jobsite — then buy above.

+ Recommended surface- Not the primary use— Application dependent

Pattern	Best Use	Key Traits	Road	Clay	Gravel	Mulch	Mud	Turf	Action
A All-terrainMachine-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	—	—	—	—	—	—	View

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 SK50SR-3 fitment data

Fitment & Part Numbers

Track Size	400x72.5Nx74
Roller	PY64D00002F3

Related Collections

Will this track fit my Kobelco SK50SR-3?

Yes — this track is matched to the Kobelco SK50SR-3 by size and tread pattern.

How fast will my track ship?

In-stock tracks ship fast from US warehouses, most within 1–2 business days, with tracking sent as soon as it leaves the dock.

Are these OEM or aftermarket Kobelco SK50SR-3 tracks?

OEM-grade aftermarket tracks built to factory fitment for the Kobelco SK50SR-3 — same dimensions and guide type, continuous steel-cord belt, at a better price than dealer OEM.

Do Kobelco SK50SR-3 tracks sell in pairs?

Tracks are priced individually; a full machine needs two. Most owners replace both at once so wear stays even.