There are a number of different types of Siku control 32 models and as a result many different types of drive motors. There appear to be two types of Siku Control 32  motors used in the tractors, a clear plastic gearbox and a white plastic gearbox. The clear plastic motor/gearbox is used in John Deere 6920 (SIKU number: 6751) and the Fendt 930 (SIKU number: 6880). The white plastic motor/gearbox comes in the Class Axion 850 (SIKU number: 6758) or the Fendt 939 (SIKU number: 6880).