Electric Drive Axle Configuration

A front axle for a motor grader, the front axle having a first end and a second end, comprising:

• an electric motor disposed near the center of the front axle;
• a shaft coupled at one end to the motor;
• a portal gearset including a first gear coupled to a second gear, the first gear being coupled to the shaft at an end opposite the motor;
• a final drive assembly disposed at the first end and second end of the axle, the final drive assembly being coupled to the second gear and configured to couple to a front wheel;
• a steering pivot about which the final drive pivots, the steering pivot defining a steering axis;
• a wheel lean pivot defining a lean axis about which the final drive pivots, the lean axis being perpendicular to the steering axis;
• and
• a constant-velocity joint disposed at the intersection of the steering axis and lean axis.

An electric drive motor grader, comprising:

• a front frame and a rear frame;
• a first axle and a second axle, the first axle being coupled to the front frame and the second axle being coupled to the rear frame;
• an electric motor disposed near the center of the first axle and a shaft coupled to the motor;
• a portal gearset including a first gear coupled to a second gear, the first gear being coupled to the shaft at an end opposite the motor;
• a final drive assembly disposed at the first end and second end of the first axle, the final drive assembly being coupled to the second gear and configured to couple to a front wheel;
• a steering pivot about which the final drive pivots, the steering pivot defining a steering axis;
• a wheel lean pivot defining a lean axis about which the final drive pivots, the lean axis being perpendicular to the steering axis;
• and
• a constant-velocity joint disposed at the intersection of the steering axis and lean axis.