Transom Mount Bracket for the 8000-23 Transducer. Note: The 8000-23 was the standard transducer supplied with Generation 1 DF1000D Digital Depth Sounders. Your Generation 1 Depth Sounder has a three strand transducer cable and utilizes "butt" connectors to attach the transducer to the display. Most 8000-23 have a tag on the transducer cable that says "Airmar P23". For Generation 2 DF1000D or DF1120S transducer brackets order part number 8000-91.--Free Ground Shipping--