Rubber tracks directly influence machine stability, ground disturbance, and undercarriage component life. This aftermarket rubber track-excavator 450*81.5*76 sk85 is vulcanised to OEM pitch, lug height, and width dimensions for correct engagement on the 450*81.5*76 drive sprocket and idler — no track tension adjustment issues on install.

**Key Specifications:**
* Lug height maintained to OEM dimension for positive sprocket tooth engagement without sprocket skipping
* Track pitch matches OEM sprocket tooth spacing — no shimming of idler position required
* Full-width profile preserves OEM ground contact area and rated ground pressure

**Construction:**
* High-tensile steel cord core: resists elongation under pull loads and maintains pitch under tension
* Natural/synthetic rubber blend with carbon-black reinforcement for cut and tear resistance
* Steel guide lugs: hardened to resist side-loading wear from turns and lateral ground forces

**Operating Notes:**
* Set track tension to OEM sag specification — overtension accelerates cord fatigue
* Avoid prolonged operation on sharp rock without steel core tracks — rubber cuts on edged substrate
* Inspect guide lugs for chunking every 250 hrs; early detection prevents derailment

Shipped Australia-wide from Wetherill Park NSW. 1-year warranty. Order your rubber track-excavator 450*81.5*76 sk85 today.