5 0 2018 Allison 4500RDS-P Transmission for a Peterbilt 520 Recently Updated $2,550 USD Allison 4500RDS P Automatic Transmission, Pulled from a 2018 Peterbilt 520, Recently dyno tested - passed aall tests Transmission was in good running condition prior to removal, Ready to... ConditionUsedFits To Make(s)PETERBILTFits To Model(s)520Stock Number35604 MLS Number13784707CategoryTransmissions Last Updated10/14/2025 LocationDes Moines, IA, US Sold ByHousby Used Parts (855) 957-___ SHOWNUMBERCall Seller Email Seller Save More Info