Compatible with multiple software applications, it is available to diagnose most of heavy trucks, Buses, Grabs, Cranes ... Allscanner VCX HD Heavy Duty Truck Diagnostic SystemAllscanner VCX HD (VCX Heavy Duty) is designed according to industry standard of RP1210A/B, it is PC-to-vehicle interface compatible with multiple software applications, it is available to diagnose most of heavy trucks, ...