The CAT 249D uses a rubber-track undercarriage designed for grading, loading, site preparation and attachment work. The 400x86x49 track setup gives the machine a stable footprint for traction, ride quality and controlled ground pressure.
TrackTECH Heavy Duty options use a 100% virgin rubber compound, continuous vulcanized steel cord and forged steel embeds to maintain pitch alignment under travel, turning and attachment loads. Premium Bridgestone options, where shown, are offered as an additional track-line choice for customers who prefer a premium manufacturer option.
Inspect the sprockets, rollers, idlers and tension system before installing new tracks. Hooked teeth, seized rollers or incorrect tension can shorten the life of a new belt.
TrackTECH Heavy Duty warranty: 24 months against defects in materials and workmanship.
Tread Pattern Guide
Compare common TrackTECH rubber track tread patterns by traction, ride comfort, surface protection, and jobsite conditions.
Balanced Jobsite Performance
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.
Aggressive Traction
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.
Severe-Duty Terrain
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.
Mini Excavator Control
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.
Not sure which tread pattern is right for your machine? Send your make, model, serial number, or a photo of your current track size and TrackTECH will help confirm fitment before your order ships.
Common questions about CAT 249D rubber tracks
Verified TrackTECH sizes are 320x86x49 and 400x86x49 for the CAT 249D compact track loader.
Yes. Fitment graph lists 400x86x49 for CAT 249D. Match your size stamp before checkout.
Multi-Bar for turf-friendly flotation. Use C-Lug for demolition/concrete and Zig-Zag for mixed or winter work.
Replace bottom rollers that show flat spots, play, or leaks — worn rollers destroy new belts early.
24-month warranty. Free shipping to the lower 48 on qualifying track orders; same-day ship before 12 PM CT when in stock.
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