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    • 450x81Nx78 rubber track — directional tread hero

    CAT 308ECR Rubber Tracks | 450x81Nx78

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    Regular Price $2,622.69Call for Price

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    Complete your undercarriage
    CAT 308ECR Bottom Roller | Part #127-3806
    Discount Price $168.63 Regular Price $177.50
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    CAT 308E CR Replacement Rubber Tracks

    Shop replacement rubber tracks for the CAT 308E CR using TrackTECH's merchant-confirmed fitment catalog. Confirmed track size is 450x81Nx78. Match the marking on the existing track before installation, especially when a machine has more than one approved undercarriage configuration.

    Confirm the Track Size

    Rubber track sizing follows width × pitch × links, with guide notation retained where the application requires it. Every dimension must match; a track that is close in width or link count is not a substitute for the correct configuration.

    Choose the Tread for the Work

    Use the tread choices currently shown on this product to match the jobsite. Closed block patterns favor stable contact and abrasion resistance, while more open patterns improve cleanout in mud and loose material. For mixed surfaces, balance traction, ride quality, and expected wear rather than choosing by appearance alone.

    Check the Undercarriage Before Installation

    Inspect sprockets, rollers, idlers, alignment, and track tension before installing new tracks. Worn drive components or incorrect tension can shorten replacement-track life. Set final tension to the machine manufacturer's service specification after installation.

    TrackTECH Fitment Support

    TrackTECH provides fitment support before shipment and backs replacement rubber tracks with a 24-month warranty against manufacturing defects. If the track marking or machine configuration does not match the confirmed size list above, verify fitment before ordering.

    Track Specifications
    Specification Name Specification Value
    Track Size 450x81Nx78
    Width 450 mm
    Pitch 81.0 mm
    Links 78
    Guide Type N
    Tread Pattern Directional
    Also Fits:

    100% Precision Fitment. Guaranteed.

    Make Models
    CAT
    308 CR308C308C CR308C SR308DCRSB308E308E2308E2 CR308E CR308SB
    Hitachi
    85EX60LC-5EX70LC-5EX75UREX75US-7ZX70ZX70LCZX75-US5ZX75URZX75USZX75US-3ZX80LC-5ZX85ZX85USZX85USB-5N
    Hyundai
    HX85A
    JCB
    100C-1100C-285Z-185Z-286C-186C-2
    John Deere
    Kubota
    SANY
    Shipping, Warranty & Support

    TrackTECH rubber tracks ship free to the lower 48 states on qualifying orders. Fulfillment timing and ship-from location are confirmed from current inventory and the order destination.

    Not sure which size fits your machine? Call our team at (850) 816-7898 — we verify fitment before every order ships.

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    ENGINEERED FOR THE JOBSITE

    Built Tough

    Heavy-duty replacement rubber tracks engineered for compact track loaders, tracked skid steers, mini excavators, mini track loaders, and demanding construction equipment applications.

    • DIRECT OEM FIT

      Precision-matched to the correct track width, pitch, link count, and guide configuration for your machine.

    • CONTINUOUS STEEL CORD

      Continuous internal steel cord construction eliminates overlapping cord joints and helps maintain consistent strength around the full track.

    • HEAVY-DUTY RUBBER CONSTRUCTION

      Construction-grade rubber and reinforced internal components are built for demanding jobsites and long service life.

    • CORROSION-RESISTANT STEEL GUIDES

      Heavy-duty steel track guides are treated for corrosion resistance and built to handle repeated undercarriage loads.

    • 24-MONTH WARRANTY

      Backed by TrackTECH's 24-month rubber track warranty for materials and workmanship.

    SHOP ALL RUBBER TRACKS
    Built Tough

    Tread Pattern Guide

    Choose the Right Tread Pattern

    Compare common TrackTECH rubber track tread patterns by traction, ride comfort, surface protection, and jobsite conditions.

    C-Block rubber track tread pattern

    Balanced Jobsite Performance

    C-Block Tread Pattern

    Best for: general construction, dirt, gravel, clay, and mixed jobsite use.

    C-Block tracks are a strong all-around option for compact track loaders working across everyday jobsite conditions. They provide dependable traction, a stable ride, and balanced wear life without being overly aggressive on the ground.

    Balanced traction Smooth ride Long wear life General jobsite use
    Zig-Zag rubber track tread pattern

    Aggressive Traction

    Zig-Zag Tread Pattern

    Best for: mud, loose soil, slopes, clay, and soft ground.

    Zig-Zag tracks use an alternating lug design to improve bite and help the track clean out in loose or wet conditions. This pattern is a strong choice when traction and hillside control matter more than surface protection.

    Extra grip Soft ground traction Better hillside control Self-cleaning tread
    X-Terrain rubber track tread pattern

    Severe-Duty Terrain

    X-Terrain Tread Pattern

    Best for: forestry, mulching, extreme land clearing, and the most severe off-road environments.

    Designed for high-horsepower CTLs in dense brush, jagged terrain, and debris-heavy conditions. The most aggressive TrackTECH tread for severe duty — built for durability, puncture resistance, and relentless traction when clearing heavy brush or earth.

    Fortified Core Defense: ultra-reinforced center guide deflects stumps, jagged rocks, and sharp forestry debris from the core. Maximum Bite: deep aggressive lugs deliver uncompromising forward drive from deep clay to heavy snowpack.

    Trade-off: overkill on sensitive turf or finished pavement — runs rough and will tear up the ground. Ideal surfaces: mulch/brush, deep clay, jagged rock, snow.

    Forestry & mulching Fortified core Maximum bite Severe off-road
    Directional rubber track tread pattern

    Mini Excavator Control

    Directional Tread Pattern

    Best for: mini excavators, trenching, grading, utility work, and mixed surfaces.

    Directional tracks are commonly used on mini excavators where forward traction, controlled movement, and dependable wear are important. This pattern helps provide predictable movement across dirt, gravel, clay, and general excavation conditions.

    Mini excavator fitment Predictable control Good forward traction Mixed surface use

    Not sure which tread? Use the options on this page, or request a quote.

    Frequently Asked Questions

    Fitment, availability, fulfillment, and support for this product

    How do I choose this rubber track?

    This listing is associated with track size 450x81Nx78. 100% Precision Fitment. Guaranteed. Request a quote if you need help before ordering. This page does not use years or serials.

    What tread options are available?

    The product data currently lists these tread options: Directional. Choose the exact variant shown on this page for current price and availability.

    How quickly can TrackTECH fulfill this order?

    Fulfillment timing depends on the exact item, current inventory, destination, and freight path. TrackTECH confirms the current ship-from and delivery or pickup option for the requested item rather than estimating from the product title or page location.

    What warranty applies to this rubber track?

    Eligible TrackTECH rubber tracks include 24-month warranty coverage. Coverage is subject to the published warranty eligibility, installation, use, and claim terms for the product ordered.

    Should I inspect the undercarriage when replacing tracks?

    Yes. Sprockets, rollers, idlers, track tension, and the rubber track work as a system. Inspect the complete undercarriage before installation and replace worn components when needed.