After 4 hours of hard work, I'm finally done, enjoy! Space for the reference Specs: Engine and powertrain Engine: Mack E7 12.0L inline 6-cylinder diesel Horsepower: Commonly 330 hp, 350 hp, or 400 hp, depending on the specific configuration Transmission: Typically a manual transmission (e.g., Mack or Eaton Fuller 9-speed, 13-speed, or 18-speed) Drivetrain: Tandem axle with a differential lock Front Axle: 12,000 lb Rear Axle: 40,000 lb Chassis and dimensions Wheelbase: Varies by configuration, but around 208 inches is common GVWR (Gross Vehicle Weight Rating): Typically 52,000 lbs Frame: Often a single frame Suspension: Air ride suspension is a common feature Tires: Vary by configuration; examples include 11R24.5 or 295/75R22.5 Features Cab: Available in different cab styles, such as a day cab or a flat top sleeper cab Fifth Wheel: Sliding fifth wheel is a common option Fuel Tank: Dual fuel tanks are often present Other features: Air conditioning, heat, cruise control, and heated mirrors may be included