A gearbox for use in a vehicle having a motor assembly includes a housing and an input shaft coupled to the housing. The input shaft is configured to be coupled to a first component of the motor assembly. The gearbox also includes a first gear set positioned within the housing and coupled to the input shaft. An intermediate shaft is positioned within the housing and is coupled to the first gear set. The gearbox further includes a second gear set positioned within the housing and coupled to the intermediate shaft and an output shaft coupled to the second gear set and to the housing. The output shaft is configured to be coupled to a second component of the motor assembly.