NEW TURBO (December 2022), NEW CVIP (Approx $10,000 spent), Cummins ISX15 550 HP, Eng Brake, Eaton 18 Speed Auto Transmission (18 speed transmission with auto clutch), As per Cummins, "better fuel economy with auto transmission", 16000 Front Axle, 69000 rears, 4.30 Rear Axle Ratio, Triple Diff Lock, 385/65R22.5 Front Tires, 11R24.5 Rear Tires, Air Susp, Cab Susp, 50 Inch Sleeper, Sliding 5th Wheel, 06/23 CVIP, 266 Inch Wheelbase, 16185 Hours / 680134 KM, https://www.eatoncummins.com/us/en-us/catalog/transmissions/ultrashift-plus-mxp.html