How to Avoid Costly Errors and Keep Your Excavator Running Smoothly Buying used excavator parts can save a ton of money — if you do it right. But in South Africa, many contractors make mistakes that turn “savings” into unnecessary downtime, wasted cash, and headaches . Let’s break down the top 5 mistakes  contractors make when buying used parts — and how to avoid them. Mistake #1: Not Verifying Part Compatibility This is the most common mistake. Every excavator model has part