11 0 Allison 3700 SP PD Transmission for a 2007 Spartan TR-I $999.99 USD (Used) 2006 Allison (AT) TRANSMISSION ASSEMBLY- Model: 3700 SP PD, Serial Number: 6510658579, Engine: Cummins ISL, Reference images for condition For more information about this item, give... ConditionUsedEngine ModelCummins ISLFits To Make(s)SpartanFits To Model(s)TR-IWill Fit Year(s)2007Stock NumberP-62108 MLS Number12383862CategoryTransmissions Last Updated10/4/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info