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Find Parts for Komatsu PC55MR

Keep your Komatsu PC55MR running with OEM-quality undercarriage components — sprockets, idlers and rollers built to spec. Free freight, s...

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Komatsu PC55MR Tracks & Parts

Heavy Duty Rubber Tracks

Track options for Komatsu PC55MR

Komatsu PC55MR-3 fitment data

Machine Performance

Operating Weight 12000 lb
Horsepower 42 HP
ROC / Bucket Force 12500 lb

Hydraulics & Lift

Standard Flow 18.5 GPM
Hydraulic Pressure 3626 PSI
Lift Type Zero

Part Numbers

Track Size 400x72.5x74
Sprocket SP2054978
Idler FI9237507
About Komatsu PC55MR Tracks & Parts

OEM-grade Komatsu PC55MR-3 rubber tracks for your mini excavator. Continuous steel-cord carcass, maximum-traction tread, and Maximum Value Per Hour, jobsite after jobsite.

  • Continuous steel cord for load strength and de-track resistance
  • Advanced rubber compound built for heavy-duty use
  • Maximum traction tread matched to your machine's working conditions
  • Anti-vibration ride for improved operator comfort

OEM-Verified Fitment — No Guesswork

We send photo verification with every order. Call, text, or FaceTime — whatever works for you, works for us — and we'll confirm the exact fit before it ships.

Each rubber track carries a certified 24-month warranty and ships free, dealer-direct. We stand behind our product. Buy Now.

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 rubber track replacement questions

What size rubber track does the Komatsu PC55MR use?
Measure your current Komatsu PC55MR track (width x pitch x links) or send us the serial number and we'll confirm the exact size before you order.
Will this track fit my Komatsu PC55MR?
Yes — this track is matched to the Komatsu PC55MR by size and tread pattern. If your machine has a serial break or factory option, send the serial number and we'll verify fitment before shipping.
What warranty comes with Komatsu PC55MR 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 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.
How long do Komatsu PC55MR 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.