View 0 Photos View 0 Videos 2006 Allison 4500RDS Transmission for a Western Star 4900 $3,985 USD (USED) Allison 4500 RDS Assembly#: 6610184142 Input Lgth: Na Input Dia: AUTOMATIC Pilot Dia: AUTOMATIC FILTERS CHANGED 3/11/25 ConditionUsedAssembly Number6610184142Fits To Make(s)Western Star TrucksFits To Model(s)4900Stock Number25768431 MLS Number13824067CategoryTransmissions Last Updated12/10/2025 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info