This is an ORIGINAL Caterpillar 977 Traxcavator Lubrication and Maintenance guide/manual. ( see pictures for model and S/N ranges) This manual has super illustrations as well as having in-depth Maintenance and Lubrication information for these hardworking CAT Traxcavators. ( see pictures for index/contents) The cover of these manuals are in GOOD overall condition. ( soiling and smudges are present) The pages are clean and in GOOD over all condition. ( soiling and smudges are present) The splines are tight and intact with NO splits. These manuals contain 40+ pages each that cover these CAT Traxcavators from A to Z. This manual is in GOOD overall condition. FREE S & H to the USA. International shipping to pay actual cost. Thanks for viewing ...............RJW