Swing Gear Box 9097683 AT128448 for Hitachi EX60 EX60G John Deere 70D Excavator. Note: This Swing Gear Box without motor, refernece the listing picture. Part Number: 9097683, AT128448. Application: Fit for Hitachi EX60 EX60G John Deere 70D Excavator. Duty For International Buyers. Orders are processed Monday thru Saturday, excluding legal holidays.