Truck previously had13 Speed Transmission (RTLO 18913A)Paccar MX-13 Eaton 40,000 lbs Differential3.55 RatioLockedRear Differential AvailablePeterbilt 384 Cab and Bunk (2014) | MX-13 | 13 Speed | Eaton 40K - 3.55 RatioSKU: 00000752C$0.00PriceOrder Now