Caterpillar 12G, 120G, 130G, 140G Motor Graders Factory Service & Shop Manual Price listed in US Dollar: $59.00 Leave this field blank Complete workshop repair & service manual with electrical wiring diagrams for Caterpillar 12G, 120G, 130G, 140G Motor Graders Read more about Caterpillar 12G, 120G, 130G, 140G Motor Graders Factory Service & Shop Manual