1. Review by Alcoholahmed: Cat and perkins industrials ,gensets or even construction: Software: Cat ET & Perkins EST ( both are already here) And , you may uses cat communication adapter or perkins adapter for any of them. And NEXIQ only for the on-highway protocols J1578 or J1587 Volvo/Mack/Renault : Adapter : volvo VOCOM Software: volvo PTT can be used for most of newer on-highways trucks.( each model has some special cables) While ,marine/gensets/industrial you may use Volvo Vodia with a special connector to the VOCOM. Volvo Construction equipt.: uses another cables to the VOCOM and uses also PTT software with sometimes the MATRIS John Deere: uses the JD service advisor as software and EDL as an adapter. Hitachi :uses the MaintenancePro. Dr. As software Note: you may use your cummins Inline adapter for cat, perkins ,and reading JD error only. Hope that helps you 2. Review by illy : I’m also in search for universal adapter for off-highway use but I’m ...