Komatsu PC40R Tracks & Parts

High-grade Komatsu PC40R rubber tracks and undercarriage parts, engineered to ment in 400x72.5Nx72. Heavy-duty construction for digging, grading and trenching — every order ships free.

Tread Options for the Komatsu PC40R

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

Complete the Komatsu PC40R Rebuild

Complete the rebuild with matched-fit components for the Komatsu PC40R:

Front Idler — OEM Part #9237507
Top Roller — OEM Part #9239529

Shared-Size Cross-Fit

The 400x72.5Nx72 track size is shared across these models — same track, verified cross-fit:

What You Get with TrackTECH

Free freight to the lower 48 — every order ships free, with same-day dispatch on in-stock items.
Precision OEM alignment — a reinforced roller path keeps running smooth and vibration low.
Continuous steel cord — up to 40% stronger than typical aftermarket tracks, resisting stretch and de-tracking.
Drop-forged steel links for strength where the track meets the drive system.

Upgrade your Komatsu PC40R today. Order online for free freight, or call (850) 816-7898. Need a hand matching size and guide? Try the Track Finder.

Free US Shipping100% Fit GuaranteePremium OEM Quality

Find Your Track Call TrackTECH

Komatsu PC40R Tracks & Parts — TrackTECH rubber tracks & undercarriage parts

Track sizes

400x72.5Nx72

Rubber tracks

Komatsu PC40R 400x72.5Kx72 All-Terrain
- Heavy Duty | 400x72.5Kx72
- All-Terrain Grip
- Smooth Ride
- Cut Resistant
$1,599.00
In stock

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Which tread fits Komatsu PC40R?

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.

Komatsu PC40R fitment data

Fitment & Part Numbers

Track Size	400x72.5Nx72
Idler	9237507

About Komatsu PC40R Tracks & Parts

High-grade Komatsu PC40R rubber tracks and undercarriage parts, engineered to ment in 400x72.5Nx72. Heavy-duty construction for digging, grading and trenching — every order ships free. Tread Options for the Komatsu PC40R Directional — The excavation specialist — directional tread optimized for digging and slope work. Complete the Komatsu PC40R Rebuild Complete the rebuild with matched-fit components for the Komatsu PC40R : Front Idler — OEM Part #9237507 Top Roller —

Related Collections

Will this track fit my Komatsu PC40R?

Yes — this track is matched to the Komatsu PC40R by size and tread pattern.

Do Komatsu PC40R tracks sell in pairs?

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

What warranty comes with Komatsu PC40R tracks?

Our rubber tracks carry a 24-month warranty against manufacturing defects, with continuous steel cords and wear-resistant compounds. Technicians by trade; heavy duty comes standard.

How long do Komatsu PC40R 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.