This collection contains the following 2 manuals:

Komatsu PC90-1 shop manual. serial number 1001 and up.
Pages 451
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 95 series engine service manual.
This is a high quality 820 page engine workshop manual.
Index
01 General
02 Structure and function
03 Testing and adjusting
04 Disassembly and assembly
05 Maintenance standard
06 Repair and replacement

This manual covers following engine models.
3D95S-W-1,4D95S-W-1,4D95S-1,4D95L-W-1,4D95L-1,S4D95L-1,
6D95L-1,S6D95L-1,SA6D95L-1,SAA6D95LE-1

This factory engine service manual has easy-to-read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to complete any repair or overhaul, correctly and efficiently, saving time and avoiding cockups. All specifications and tolerances are listed. Functions of components are also explained.