1989 Meritor/Rockwell Other, Excavator, Front Rears (Tandem Front), Fits to: Gradall G-660C, (Used) Gradall G-660C, TANDEM CUTOFF- Make: Rockwell International, Model: QP 100PX 7, Ratio: 780, Customer Part Number: 83683370, Serial Number: NKA88041922, Hub Bolts: 6, 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 780, Serial# NKA88041922, Truck Year 1989 G016149