2016 Mack CRD150, Truck Tractor, Front Rears (Tandem Front), Fits to: Mack CHU613, (Used) 2016 Mack CHU613, FRONT DIFFERENTIAL GEARS ONLY- Part Number: 2124155, Make: Mack, Model: CRD150, Ratio: 3.40, Capacity: 19,000 lbs, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Ratio 3.40, Serial# TBD, Truck Year 2016 1M1AN07Y3GM022451