2004 Meritor/Rockwell RP23-160, Front Loader, Rear Rears (Tandem Rear or Single), Fits to: Oshkosh S-SERIES, (Used) 2004 Oshkosh S-Series, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Part Number: 3200-S-1891, Serial Number: 3150K1363, Make: Meritor/Rockwell, Model: RP23160NCL1420, Ratio: 5.38, Capacity: 23,000 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 5.38, Serial# 3150K1363, Casting# 3150K1363 10TFAWD234S080857