Kobelco SK45-1 Tracks & Parts

High-grade Kobelco SK45-1 rubber tracks and undercarriage parts, engineered to ment in 400x72.5Nx74. Heavy-duty construction for digging, grading and trenching — every order ships free.

Choose Your Tread

Directional — The excavation specialist — directional tread optimized for digging and slope work.

Also Fits These Machines

Looking for another machine? The 400x72.5Nx74 size also fits:

Why TrackTECH

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.
Drop-forged steel links for strength where the track meets the drive system.
Precision OEM alignment — a reinforced roller path keeps running smooth and vibration low.

Order your Kobelco SK45-1 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

Kobelco SK45-1 Rubber Tracks | 400x74x72

Track sizes

400x72.5Nx74

Rubber tracks

Kobelco SK45-1 400x72.5Nx74 Bridgestone 400x72.5Nx74 MX
- Bridgestone | 400x72.5Nx74
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Which tread fits Kobelco SK45-1?

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
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	—	—	—	—	—	—	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 SK45-1 fitment data

Fitment & Part Numbers

Track Size	400x72.5Nx74

Related Collections

Will this track fit my Kobelco SK45-1?

Yes — this track is matched to the Kobelco SK45-1 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.

Do Kobelco SK45-1 tracks sell in pairs?

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