Home › Blog › Buying Guide › Smart Buyer’s Guide: How to Choose the Right Pre-Owned, Used, Secondhand, Surplus CNC Equipment Before Purchasing Traub TNA 480 CNC Lathe made in Germany Below is a “smart buyer’s checklist and decision-framework” you can use when considering a pre-owned / secondhand / surplus CNC machine — tailored in particular toward a machine like the Traub TNA 480 (or machines of similar vintage, precision, and complexity)....