The key specifications of the Zero 21 Smart Mule Loader 3-wheeler include its engine performance and body configuration. The gross vehicle weight of the brand-new Zero 21 Smart Mule Loader is 758 kilograms and a payload capacity of 350 kilograms. It is empowered by a BLDC electric motor that produces a power of 2.86 horsepower and a high-end torque of 97 Nm. The maximum speed of this 3-wheeler is 30 kilometers per hour. The Zero 21 Smart has a 3.75x10 tyre size and 2450 mm wheelbase size. It gives a superior ground clearance of 205 mm. The Zero 21 Smart has only a driver seat. Look into the above table to check its overall dimensions.