A steering knuckle gearbox assembly (138, 1000, 1100, 1200, 1300, 1400) for a vehicle, comprising: • a body having, a housing portion having a cavity defined in the housing portion, the housing portion having an interior vehicle-facing side, a mating portion connected to the housing portion and being positioned on the interior vehicle-facing side of the housing portion, the mating portion being pivotably mountable to a distal end of an axle frame supported by and extending away from the vehicle via pins (158, 160) received in corresponding pairs of apertures (162, 166 and 164, 168) defined in the mating portion 142 and the distal end of axle frame so as to pivot about a steering axis between a first angular position and a second angular position, and a mounting portion positioned relative to the body such that a steering link extending away from the vehicle is pivotably mountable to the mounting portion for actuating pivoting of the body about the steering axis between the first angular position and the second angular position; • an input shaft rotationally supported by the housing portion for rotation about an input axis defined by the input shaft, the input shaft having an inner end positioned inside the cavity of the housing portion and an outer end opposite the inner end, the outer end of the input shaft being connectable to a drive axle of the vehicle so as to be drivable by the drive axle when the body is in any one of a range of angular positions between the first angular position and the second angular position; and • an output shaft rotationally supported by the housing portion for rotation about an output axis defined by the output shaft, the output axis being offset in height from the input axis, the output shaft having an inner end positioned inside the cavity of the housing portion and an outer end being opposite to the inner end of the output shaft, the inner end of the output shaft being operatively connected to the inner end of the input shaft to be driven by the input shaft, characterized in that the output axis is upwardly offset from the input axis • a body having, a housing portion having a cavity defined in the housing portion, the housing portion having an interior vehicle-facing side, a mating portion connected to the housing portion and being positioned on the interior vehicle-facing side of the housing portion, the mating portion being pivotably mountable to a distal end of an axle frame supported by and extending away from the vehicle via pins (158, 160) received in corresponding pairs of apertures (162, 166 and 164, 168) defined in the mating portion 142 and the distal end of axle frame so as to pivot about a steering axis between a first angular position and a second angular position, and a mounting portion positioned relative to the body such that a steering link extending away from the vehicle is pivotably mountable to the mounting portion for actuating pivoting of the body about the steering axis between the first angular position and the second angular position; a housing portion having a cavity defined in the housing portion, the housing portion having an interior vehicle-facing side, a mating portion connected to the housing portion and being positioned on the interior vehicle-facing side of the housing portion, the mating portion being pivotably mountable to a distal end of an axle frame supported by and extending away from the vehicle via pins (158, 160) received in corresponding pairs of apertures (162, 166 and 164, 168) defined in the mating portion 142 and the distal end of axle frame so as to pivot about a steering axis between a first angular position and a second angular position, and a mounting portion positioned relative to the body such that a steering link extending away from the vehicle is pivotably mountable to the mounting portion for actuating pivoting of the body about the steering axis between the first angular position and the second angular position; • an input shaft rotationally supported by the housing portion for rotation about an input axis defined by the input shaft, the input shaft having an inner end positioned inside the cavity of the housing portion and an outer end opposite the inner end, the outer end of the input shaft being connectable to a drive axle of the vehicle so as to be drivable by the drive axle when the body is in any one of a range of angular positions between the first angular position and the second angular position; and • an output shaft rotationally supported by the housing portion for rotation about an output axis defined by the output shaft, the output axis being offset in height from the input axis, the output shaft having an inner end positioned inside the cavity of the housing portion and an outer end being opposite to the inner end of the output shaft, the inner end of the output shaft being operatively connected to the inner end of the input shaft to be driven by the input shaft,