TWO-SPEED COAXIAL ROLLING DIFFERENTIAL WITH PLUS-STEP PLANET AND SPUR GEAR STAGE WITH STEPPED RING GEAR FOR SUPER DUTY TRUCK APPLICATIONS

An electric beam axle includes an electric motor, a shiftable reducer, and a rolling differential. The shiftable reducer includes a planetary gearset and the rolling differential includes a compound planetary gearset and a spur gear stage. The electric motor, shiftable reducer and rolling differential are aligned coaxially providing a radially compact electric beam axle.