This is a Komatsu PC300 LC-6 Serial numbers A80001 and up & a

PC300HD-6 Serial numbers A80001 and up Parts Book/Manual.

The item number on this is BEPB3006C2

and contains 25 items in the Index.

I do not think you will find a cleaner Parts manual. 

Ask Questions and if you require further pictures please let me know. 

I have several other manuals listed as well. 

Thanks for looking.  "Free Shipping"