Machine Performance
| Operating Weight | - |
|---|---|
| Horsepower | - |
| ROC / Bucket Force | - |
Komatsu PC45MR-3 Tracks & Parts
Free US Shipping100% Fit GuaranteePremium OEM Quality
Rubber tracks
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$1,659.00View Track -
$1,659.00View Track -
$1,659.00View Track -
$1,659.00View Track -
$1,659.00View Track -
$1,659.00View Track -
$1,659.00View Track -
$1,115.73$969.00View Track -
$1,659.00View Track -
$1,659.00View Track -
$1,659.00View Track -
$1,659.00View Track -
$1,659.00View Track -
$1,659.00View Track -
$1,659.00View Track -
$1,659.00View Track
Drive Sprockets
Sprockets for your Komatsu PC45MR-3
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$266.62$230.00Request a Quote
Front and Rear Idlers
Idlers matched to this machine
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$578.15$498.75View Options
Track Rollers
Rollers matched to this machine
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$199.96$172.50View Options -
$128.96$111.25View Options
Built for Heavy Duty Use
OEM Grade Track Construction
Setting a new standard in heavy-duty performance. Find your exact fit, eliminate downtime, and keep your machine working — not waiting.
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Brand New
New belts — not remills or retreads.
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Drop Forged Steel Links
Heat-treated guides for sprocket engagement.
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Continuous Steel Cord
Endless cord — no splice weak points.
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100% Virgin Rubber
Contractor-grade compound for abrasion.
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Precision Fitment
OEM-spec width, pitch, and link count.
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High-Traction, Low-Vibration
Tread patterns matched to the jobsite.
Komatsu PC45MR-3 fitment data
Hydraulics & Lift
| Standard Flow | - |
|---|---|
| High Flow | - |
| Hydraulic Pressure | - |
| Lift Type | - |
Part Numbers
| Track Size | 400x72.5Nx74 |
|---|---|
| Sprocket | - |
| Idler | - |
| Roller | - |
Frequently Asked Questions
Common fitment, shipping, and rubber track replacement questions
What sizes fit the Komatsu PC45MR-3 & Undercarriage Parts?
Shop high quality replacement rubber tracks, sprockets, idlers, and rollers for your Komatsu PC45MR-3 & Undercarriage Parts.
What size tracks can a Komatsu PC45MR-3 & Undercarriage Parts run?
Use the size chips and product rows on this hub, or call TrackTECH with make and model so we can confirm fitment for your Komatsu PC45MR-3 & Undercarriage Parts.
What is the best track for a Komatsu PC45MR-3 & Undercarriage Parts?
There is no single best track for every job. Match tread to terrain: C-Block for hard abrasive surfaces, Zig-Zag for mixed dirt and gravel, Multi-Bar for turf, X-Terrain for mulching and land clearing. For mixed jobsites, most owners start with Zig-Zag.
Which tread should I run on my Komatsu PC45MR-3 & Undercarriage Parts?
Match the surface you work most: C-Block for hard abrasive work, Zig-Zag for mixed dirt and gravel, Multi-Bar for turf, X-Terrain for mulching and land clearing.
Do these parts ship free?
Yes. In-stock orders ship free to the lower 48 on qualifying rubber track and undercarriage orders. Call (850) 816-7898 with make, model, and ZIP.