Caterpillar 12H, 140H & 160H 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 12H, 140H & 160H Motor Graders. Read more about Caterpillar 12H, 140H & 160H Motor Graders Factory Service & Shop Manual