COVERS 4R 5R 8U AND 9U PREFIX. The item "CAT CATERPILLAR D6 Tractor Repair Shop Service Manual reference book crawler OEM" is in sale since Friday, November 16, 2018. This item is in the category "Business, Office & Industrial\Other Business & Industrial". The seller is "oem_cat_manuals" and is located in Portland, Oregon. This item can be shipped worldwide.