This collection contains the following two manuals:

Komatsu PC78MR-6 factory shop manual.
571 pages.
serial number 1001 and up
This factory service manual has easy-to-read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding cockups. All specifications
and tolerances are listed. Functions of components and systems are also explained.

Komatsu PC78MR-6 operation manual.
This is a factory manual,291 pages.
serial number 1001 and up
This operation and maintenance manual provides essential information with regard to the operation and maintenance of this machine. Careful handling, correct periodical inspections and maintenance. This manual should always be present with machine.