Caterpillar Ct660 Farming Simulator 2017 0 Caterpillar CT660 1 Caterpillar CT660 2011 1 Caterpillar CT660 2011 0 Caterpillar CT660 v1.3 0 Caterpillar CT660 v1.2 0 Caterpillar CT660 v1.1 0 Caterpillar CT660 0 Caterpillar CT660 0 Caterpillar CT660 v1.1 0 Caterpillar CT660