3 0 ZF Transmission for a 2007 Kenworth K300 $2,650 USD (Used) 2006 ZF, TRANSMISSION ASSEMBLY- Model: 6 S 850, Serial Number: 716986, Part Number: 1290 055 120, Ratio: 6.72, Engine: Cummins 6.9L, For more information about this item, give us a... ConditionUsedEngine ModelCummins ISBFits To Make(s)KenworthFits To Model(s)K300Will Fit Year(s)2007Part Number1290 055 120Stock NumberP-49860 MLS Number12110129CategoryTransmissions Last Updated12/18/2023 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info