12 0 Allison 2550RDS Transmission for a 2018 Isuzu FTR $1,849.99 USD (Used) 2017 Allison (AT), TRANSMISSION ASSEMBLY- Model: 2550RDS, Serial Number: 6311595711, Engine: Isuzu 4HK1-TC, Reference images for condition For more information about this item, give... ConditionUsedEngine ModelIsuzu 4HK1-TCFits To Make(s)IsuzuFits To Model(s)FTRWill Fit Year(s)2018Stock NumberP-37616 MLS Number11831700CategoryTransmissions Last Updated11/11/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info