Eng Make: MACK, Eng Model: MP8-445C, Trans Make: MACK, Trans Model: TMD13AFO mDRIVE, Speeds: 13 SPEED, FA Make: MACK, FA Model: FXL20, FA Weight: 20,000, RA Make: MACK, RA Model: S522R, RA Weight: 52,000, Aux Axle Desc: PUAHER AXLE (LIFTABLE), Aux Axle Make: HENDRICKSON , Aux Axle Weight: 20,000, Front Tires: 425/65R22.5, Rear Tires: 11R24.5, FR Susp: MULTILEAF , RR Susp: CAMELBACK , WB: 276", Ratio: 3.56, Fuel Tank: 88 GAL LH, PICTURE: NAP