Caterpillar 303.5C and 303C Mini Hydraulic Excavators Factory Service & Shop Manual Price listed in US Dollar: $45.00 Leave this field blank Complete workshop repair & service manual with electrical wiring diagrams for Caterpillar 303.5C and 303C Mini Hydraulic Excavators. Read more about Caterpillar 303.5C and 303C Mini Hydraulic Excavators Factory Service & Shop Manual