This collection contains the following 3 manuals:
Komatsu 6D170E-2 shop manual
Komatsu PC1100-6 shop manual
Komatsu PC1100-6 operation and maintenance manual
Manual Descriptions:

Komatsu PC1100-6,PC1100SP-6,PC1100LC-6 shop manual. This is the factory manual,884 pages.
serial number 10001 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 costly mistakes. All specifications
and tolerances are listed. Functions of components and
systems are also explained.

Komatsu PC1100-6,PC1100LC-6,PC1100SP-6 operation and maintenance manual.
Pages 263
Models covered by this manual and serial number ranges:
PC1100 s/n 10239 and up
PC1100LC s/n 10239 and up
PC1100SP s/n 10239 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.

Komatsu 6D170E-2 shop manual. This is the factory workshop manual,344 pages.
Model engines covered
S6D170E-2
SA6D170-2
SAA6D170-2
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. Function of components and systems are
also explained.
These engines are used in following models
S6D170-2
D275A-2 dozer
SA6D170-2
D375A-3 dozer
WA600-3 loader
PC1000-1 excavator
WF650T-3 Compactor
SAA6D170-2
PC1100-6 excavator
WA700-3 loader
HD465-5 dump truck