Originally Posted by
wannabecrappieking
898 leftover will most likely be found on eBay or other small stores. Something to keep in mind with the 899 is that it is just a larger version of the 798, only having the smaller compact side image transducer. Only having the 455khz transducer. Images will not be as crisp as the older 898 and 998 which have the hi def 455/800khz transducer. I believe you can switch the compact transducer thru Humminbird transducer exchange program by paying the difference of the two ducers.