Correct-pitch rubber tracks are a precision undercarriage component — not a commodity. An incorrect pitch causes premature sprocket wear, derailment, and track elongation. This aftermarket rubber track-excavator pc88 450*83.5k*74 is manufactured to OEM pitch, width, and lug height for direct fitment on the 450*83.5K*74.

**Why Pitch and Lug Height Matter:**
* Lug height must match OEM to engage the drive sprocket correctly — under-height lugs skip under load
* Track pitch determines idler and roller positioning; mismatch stresses both
* Width controls ground pressure — wider than OEM causes stress on drive components

**Construction Detail:**
* High-strength steel cord core prevents track elongation and maintains OEM pitch in service
* Rubber/carbon-black compound provides wear resistance without sacrificing flexibility in cold temperatures
* Hardened steel guide lugs embedded in the track body resist side-load from cornering

**Maintenance:**
* Set initial tension per OEM sag table immediately after fitment
* Recheck tension after the first 10 operating hours — new tracks seat and may loosen slightly
* Avoid running on exposed steel debris; contact with sharp metal edges accelerates cord exposure

Available Australia-wide. Order your earthmoving machine replacement parts including the rubber track-excavator pc88 450*83.5k*74 from HEP Australia.