Electric Drivetrain
All-Wheel Drive (AWD)
All-wheel drive can send propulsion torque to both the front and rear axles.
EV Dictionary: Electric Drivetrain
Browse electric vehicle terms and definitions related to Electric Drivetrain. 9 terms
Electric Drivetrain
Differential
A differential lets driven wheels rotate at different speeds while transmitting torque.
Electric Drivetrain
E-Axle
An e-axle combines an electric motor and reduction drive at one axle; included components vary.
Electric Drivetrain
Front-Wheel Drive (FWD)
Front-wheel drive sends propulsion torque to the front axle.
Electric Drivetrain
Integrated Electric Drive Unit (EDU)
An integrated electric drive unit packages several EV propulsion functions into one assembly.
Electric Drivetrain
Rear-Wheel Drive (RWD)
Rear-wheel drive sends propulsion torque to the rear axle.
Electric Drivetrain
Reduction Gear
A reduction gear trades high motor speed for lower wheel speed and greater torque.
Electric Drivetrain
Secondary-Axle Disconnect Clutch
A disconnect clutch separates a secondary electric axle from the wheels to reduce drag when it is idle.
Electric Drivetrain
Single-, Dual-, Triple-, and Quad-Motor Drivetrains
Motor-count labels describe how many traction motors an EV uses, not how they connect to the wheels.