ThinkTool ProS HML Box heavy vehicle diagnostic device is a professional diagnostic device that you can diagnose all trucks, vans, tractors, construction equipment and agricultural machinery. With this device, you can perform adaptation-calibration, part tests and parameter changes as well as fault diagnosis. In short, Thinkool ProS HML Box allows you to perform operations on heavy vehicles with authorized service level and professionalism.

Launch X431 PRO 4 Diagnostic Tool is a fully professional diagnostic tool that can perform diagnostics, adaptation-coding, parameter change, service reset and external sensor calibrations (ADAS) on nearly 100 brand vehicles. You will be able to meet the service needs of all vehicles with a single device with this product, which will become indispensable for your garage with its easy use, one-button update and wide vehicle list.