Veratron EngineBox - Single EngineEngineBox Single Engine The EngineBox expands the possibilities of the NavBox for multi engine applications or can be used as stand alone when navigation information is not required. The EngineBox has a NMEA 2000 and a J1939 CAN port. The EngineBox can also be used on older, completely analog engines, thanks to the analog input ports provided and designed for RPM data, resistive sensors and capacitive sensors. The EngineBox has to be set up using an