. "The Castro Monstruo is a pickup Monster Truck consisting of a Castro Robusto body on a Monster Truck chassis. It is available in the Speed Expansion Pack, where you must complete the Speed Weekend successfully in order to unlock it."@en . . . . . . . "The Castro Monstruo is a pickup Monster Truck consisting of a Castro Robusto body on a Monster Truck chassis. It is available in the Speed Expansion Pack, where you must complete the Speed Weekend successfully in order to unlock it."@en . "Castro Monstruo"@en . .