1978 Mack Other, Truck Trailer, Rear Rears (Tandem Rear or Single), Fits to: Mack RD685S, (Used) 1978 Mack RD685S, REAR DIFFERENTIAL GEARS ONLY- Part Number: 64KH595P1, Serial Number: 4207AP, Make: Mack, Model: 11KHA, Ratio: 4.17, Capacity: 21,000Lbs, 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 4.17, Serial# 4207AP, Casting# 4207AP RD685S3685
