ANCEL HD100 Bluetooth Heavy Duty Truck Scanner DPF Regen For Cummins Caterpillar Engine Trucks ,6 Pin/ 9 Pin OBD2 Diesel Diagnostic Tool. 1 x ANCEL HD100 Bluetooth Diagnostic Scanner. Engines: Fit For Cummins, Fit For Caterpillar, Fit For Detroit, Fit For Paccar (DPF regen ONLY for Cummins/Caterpillar).