C-Block Tracks
C-block rubber tracks built for dependable traction, durability, and daily performance across dirt, gravel, clay, and mixed construction jobsite conditions.
Keep your CAT 308CR in the dirt with precision-fit 450x81Nx78 tracks and matched undercarriage parts. OEM-quality build, 24-month warranty, free freight.
Pair your tracks with the right undercarriage parts for the CAT 308CR:
The 450x81Nx78 track size is shared across these models — same track, verified cross-fit:
Upgrade your CAT 308CR today. Order online for free freight, or call (850) 816-7898. Need a hand matching size and guide? Try the Track Finder.
Direct replacement rubber tracks for the CAT 308CR are built for heavy-duty mini excavator applications where traction, stability, and uptime matter. These tracks are designed for dependable grip, smooth travel, and consistent performance across dirt, clay, gravel, demolition debris, utility work, grading, land clearing, excavation, and mixed jobsite terrain.
Premium virgin rubber compounds help resist tearing, chunking, cracking, dry rot, and premature tread wear under demanding field conditions. Continuous steel cord reinforcement adds internal strength, helps reduce stretching, and supports stable track performance through repeated turning, travel, and loading.
Machine-specific sizing, steel link spacing, and guide lug geometry are built for proper undercarriage engagement on the CAT 308CR. Precision-aligned fitment helps support smooth travel, stable tracking, reduced vibration, and reliable sprocket contact.
A well-built rubber track helps improve machine control while limiting unnecessary stress on rollers, idlers, and sprockets. For contractors running CAT equipment, that means better ride quality, stronger traction, less downtime, and better value over the life of the track.
The CAT 308CR uses a 450x81Nx78 rubber track. Note the N (narrow guide) guide-lug type — other guide types won't seat correctly on the rollers. Always confirm against your current track or the machine's spec plate, since some units shipped with more than one option.
Yes — this track is matched to the CAT 308CR 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.
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.
In-stock tracks ship fast from US warehouses, most within 1–2 business days, with tracking sent as soon as it leaves the dock.
Yes — along with the rubber track we carry bottom rollers, drive sprockets, top rollers for the CAT 308CR, so you can refresh the whole undercarriage in one order.
Verified specifications — match your tracks and attachments to the machine
Engine
66 HP
Operating Weight
18739 lb
Dig Force
16300 lb
Aux Flow (Std)
27.3 GPM
Aux Flow (High)
40 GPM
System Pressure
4061 PSI
Dig Depth
18'5"
Tail Swing
Zero
Select your equipment to find the perfect OEM-fit replacement
Trusted by rental fleets and contractors across America
Gave me honest answers and pointed me in the direction I wanted to go. Had the best price I could find.
Premium 400x72.5Wx76 rubber tracks installed on a Caterpillar 305.5E2 mini excavator.
Was super skeptical at first, but the guy was super informative and knowledgeable. Highly recommend this seller and their product.
Reliable priority LTL shipping and local pickup options for heavy equipment parts needs.
Your order is confirmed and payment is processed.
Tracks are pulled from inventory and securely palletized.
Your tracking number is emailed. Orders before 12 PM CT ship same day.
Tracks arrive to your door - typically within 1-3 business days.
Choose the right rubber track tread pattern for your machine, ground conditions, and jobsite demands. TrackTECH offers C-Block, Zig-Zag, Multi-Bar, and other heavy-duty tread options for dirt, gravel, mud, snow, and mixed terrain.
Common questions about rubber track replacement
Call now or request a free quote. Premium aftermarket rubber tracks with continuous steel cord, a 24-month warranty, and fast free shipping — guaranteed to fit your machine.
Browse by brand or equipment type — or use Track Finder for an exact fit