An Educational Guide for Excavator Owners, Mechanics & Fleet Managers in South Africa Turbochargers are one of the hardest-working components on any excavator engine. They spin at over 100,000 RPM , survive extreme heat, and feed the engine the extra air it needs to produce torque under heavy load. But here’s the part most people get wrong: A turbocharger is not just a “bolt-on part.” It’s a precision-engineered system that must match the engine’s airflow, exhaust pressure, t