8 0 Allison B500R Automatic Transmission $2,600 USD Good used takeout, ALLISON B500r. 29543145. Was pulled from a bus, drove and shifted perfectly. Was behind a Series 60 Detroit engine.. Call or message with any questions. ConditionUsedStock Number3299 MLS Number12748308CategoryTransmissions Last Updated10/23/2024 LocationSpringville, PA, US Sold BySummit Core Supply (844) 329-___ SHOWNUMBERCall Seller Email Seller Save More Info