Komatsu CK25-1 Rubber Tracks & Parts
Replacement rubber tracks for the Komatsu CK25-1 compact track loader in 320x86x52 — 320 mm wide, 86 mm pitch, 52 links. Built for grading, loading, pallet work and land clearing, with free freight to the lower 48.
What the numbers mean on a Komatsu CK25-1
320x86x52 — 320 mm tread width (about 13"), 86 mm pitch, 52 links Width is the tread face, pitch is the distance between drive lugs, and links is the count around the loop. All three have to match — a track one link off will not tension correctly no matter how close the width is.
Tread choice for the Komatsu CK25-1 Size gets the track on the machine; tread decides how it works and how long it lasts. What we stock for this one:
Staggered Block — mixed dirt and gravel. Block stability with better cleanout than a straight block
C-Block — concrete, asphalt and hard-packed ground. Longest wear life and the least vibration on hard surfaces
Multi-Bar — mud, snow and soft ground. Deep bar lugs bite and shed material instead of packing up
Z-Max — soft and slippery ground. An aggressive zig-zag with more bite
Zig-Zag — general mixed ground. Balanced traction with a smoother ride than a bar tread
If the machine splits its time between surfaces, buy for the ground you are on most — a hard-surface tread on constant mud will spin, and a bar tread on concrete will wear out in half the hours.
Undercarriage parts for the Komatsu CK25-1 Rollers, idlers and sprockets wear on the same clock as the track. Fitting new rubber over a hooked sprocket or a seized roller is the fastest way to lose the new track — check these while the tracks are off:
How these wear CTLs run high ground speed and counter-rotate all day, which is what eats edge lugs and drive lugs first. Replace in pairs where you can: a new track running against a stretched one loads the drive unevenly and you will feel it in the steering.
Same track, other machines Track size follows undercarriage geometry, not brand, so 320x86x52 shows up on machines from several makers. If you run any of these alongside the Komatsu CK25-1, it is the same belt:
Not sure which you are running? Read the size off the inside of the old track, or call (850) 816-7898 and we will pull it off the machine record. The Track Finder works by make and model too.
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Tracks 9
Heavy-Duty Rubber Tracks for CK25-1
Which tread fits Komatsu CK25-1?
Pick a tread for your jobsite — then buy above.
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Track construction features
100% Virgin Rubber
Engineered to resist chunking, tearing, and cutting in harsh, abrasive environments.
Continuous Steel Cords
Jointless internal cable architecture eliminates structural weak points and maximizes overall tensile strength.
Drop-Forged Links
Precision heat-treated guide lugs ensure exact sprocket engagement and prevent de-tracking under heavy side-loads.
Corrosion Resistant
The internal steel framework is fully encapsulated to prevent oxidation, rust, and moisture penetration.
Reinforced Sidewalls
Extra-thick vulcanized rubber and tapered edge profiles protect against curb slashing and lateral impacts from jobsite debris.
Low-Vibration Tread
Optimized lug spacing and pitch geometry absorb shock, reducing undercarriage wear and minimizing cabin vibration.
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Frequently Asked Questions
What size rubber tracks fit a Komatsu CK25-1?
The Komatsu CK25-1 can use
320x86x52 rubber tracks. Match the full size on the track you are replacing before you order. If your machine has more than one track setup, choose the width and guide style that matches the track currently on the machine.
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