CAT 259B3 Heavy-Duty Rubber Tracks | 320x86x53 & 400x86x53Heavy-duty replacement rubber tracks for the CAT 259B3 Compact Track Loader, offered in 320x86x53 and 400x86x53. Cat compact track loaders are engineered around traction, flotation, stability, and productive ground contact, and track width changes how those characteristics show up on the job. Choose the footprint around pushing performance, underfoot conditions, surface disturbance, access, and operating cost.Choose Track Width for the Application320x86x53 (13" narrow): Concentrates machine weight over a smaller contact area for higher ground pressure, strong pushing performance on firm ground, a narrower overall footprint, and typically lower replacement cost.400x86x53 (16" wide): Spreads machine weight across a larger contact area for lower ground pressure, improved flotation, greater stability, and reduced surface disturbance in mud, sand, soft soil, landscaping, and finish-grade work.Traction, Flotation & StabilityA replacement track should keep useful belt area in contact with the ground while the loader pushes, grades, turns, and travels under load. After width, tread pattern is the main choice affecting bite, cleanout, vibration, ride quality, and wear across changing surfaces.Choose the Tread for the Work C-Block: Broad offset blocks provide stable ground contact, dependable all-around traction, and strong wear performance across dirt, gravel, hardpack, rock, concrete, and general construction. Multi-Bar: Closely spaced cross-ground bars maintain frequent contact for smooth travel, consistent traction, and reduced vibration across dirt, sand, packed ground, wet conditions, and hard flat surfaces. Zig-Zag: Angled, stepped lugs create multiple biting edges while open channels promote cleanout in mud, wet clay, snow, loose soil, and sloped terrain. Staggered Block: Alternating blocks balance traction, machine stability, and ride quality across mixed dirt, gravel, and hardpack. X-Terrain: Open, aggressive lug geometry prioritizes ground engagement and cleanout in loose, uneven, and severe off-road conditions. Heavy-Duty Track ConstructionAdvanced abrasion-resistant rubber, a continuous steel-cord core, and drop-forged, heat-treated steel links provide the strength required for repeated drive torque, turning, loading, grading, and travel. The heavy-duty build uses approximately 30% more rubber than standard-duty replacements, adding wear material through high-stress areas while reinforced internal construction helps maintain dependable sprocket engagement and resist stretching, cuts, tearing, chunking, and premature abrasion.Undercarriage & Track LifeTrack life depends on the complete undercarriage. Inspect sprockets, rollers, idlers, alignment, and track tension before installation. Worn mating components, debris packing, or incorrect tension can accelerate wear and reduce service life. Set final track tension to the machine manufacturer's service specification after installation.Warranty & SupportNationwide fulfillment is available, backed by a 24-month warranty against manufacturing defects and application support when needed.Tested. Trusted. Proven.Heavy-Duty Comes Standard.
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