Mini Excavator

Komatsu PC78MR-6 Mini Ex Tracks

Fits track size: 450x81.5x76

Choose your tread pattern. OEM-grade, continuous steel cord, free freight.

24-Month Warranty Free Freight Same-Day Shipping Fleet Discounts
Komatsu PC78MR-6 rubber tracks and parts

Komatsu PC78MR-6 Mini Ex Tracks

Pick your track size (OEM fit: 450x81.5x76), then choose a tread pattern. OEM-grade continuous steel cord · free freight.

Komatsu PC78MR-6 Mini Ex · 450x81Nx76

MX Pattern

Heavy-Duty Rubber Track

MX Pattern

Track Size: 450x81Nx76

$2,278.00$2,565.00Save $287.00

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Komatsu PC78MR-6 Mini Ex Undercarriage

OEM-cross-referenced sprockets, idlers & rollers for the Komatsu PC78MR-6. Drop-in fit for 450x81.5x76.

Komatsu PC78MR-6 Mini Ex Rollers

Part number depends on serial break — confirm your S/N before ordering.

Heavy-Duty Track Roller

Heavy-Duty Track Roller

Part #: CR20T-30-00050

$149.00$169.00

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Heavy-Duty Track Roller

Heavy-Duty Track Roller

Part #: TR201-30-00291

$229.00$259.00

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Komatsu PC78MR-6 Mini Ex Attachments

Attachments matched to the Komatsu PC78MR-6. Popular buckets, grapples, forks, and brush cutters — confirm mount and hydraulics before ordering.

78" Heavy Duty Low Profile Bucket

Attachment

78" Heavy Duty Low Profile Bucket

$1,299.00

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Standard Grapple Bucket

Attachment

Standard Grapple Bucket

$2,799.00

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Heavy-Duty Skid Steer Pallet Forks & Frame

Attachment

Heavy-Duty Skid Steer Pallet Forks & Frame

$1,972.00

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Komatsu PC78MR-6 FAQs

Common questions about Komatsu PC78MR-6 tracks, undercarriage parts, and attachments.

What size rubber tracks fit the Komatsu PC78MR-6?
The Komatsu PC78MR-6 commonly uses track size 450x81.5x76. Verify against your machine's existing track sidewall marking or OEM manual before ordering.
Are Heavy Iron tracks guaranteed to fit my Komatsu PC78MR-6?
Yes. Every rubber track order requires you to confirm make and model at checkout. We cross-reference OEM specs and only ship when fitment is verified. Wrong-fit claims are covered under our fitment guarantee.
How fast do Komatsu PC78MR-6 tracks ship?
Orders placed before 12PM CT ship the same business day. Rubber tracks ship free via LTL freight to the contiguous United States (48 states).
What tread patterns are available for the Komatsu PC78MR-6?
We stock 1+ tread option for the Komatsu PC78MR-6 — including C-Block, multi-bar, zig-zag, and directional patterns. See the tracks section above for live pricing.
Do you sell undercarriage parts for the Komatsu PC78MR-6?
Yes — sprockets, idlers, rollers, and related steel undercarriage components are listed on this page when in stock. Need an OEM part number matched? Call (850) 816-7898 with your serial number.

Ready to outfit your Komatsu PC78MR-6?

Need a part not listed? We source OEM-cross undercarriage and attachments for every major brand. Free freight and fleet pricing.

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Or call us at: (850) 816-7898