An arrangement for mounting a powertrain of a four-wheeled vehicle of a body-on-frame type, wherein the powertrain is mounted on a chassis in an orientation transverse to the longitudinal axis of the vehicle. The mounting arrangement comprises a right-side powertrain mounting assembly 310 for supporting the powertrain 100 on the right-hand side, a left-side powertrain mounting assembly 320 for supporting the powertrain 100 on the left-hand side of the vehicle, and a powertrain roll-restricting and mounting assembly 330 for supporting the powertrain 100 on the rear side of the powertrain 100. The right-side powertrain mounting assembly 310 and the left-side powertrain mounting assembly 320 comprise a right isolating element 316 and a left isolating element 326 respectively, and the powertrain roll-restricting and mounting assembly 330 comprises a roll restricting and isolating element 334.