1998 Meritor/Rockwell RS30180, Firetruck , Axles, Complete Rears, Fits to: E-One Fire Truck, (Used) 1998 E-One Fire Truck, COMPLETE REAR DIFFERENTIAL- Part Number: 377488456, Serial Number: NKA97075742, Make: Meritor/Rockwell, Model: RS30180, Ratio: 4.56, Capacity: 31,000 Lbs, Hub Bolts: 10, Brake Type: Drum, 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 4.56, Serial# NKA97075742, Casting# NKA97075742 4ENBABA8XW1008115