This collection contains the following 3 manuals:
Komatsu 102 series engine shop https://www.tradebit.comel SAA6D102E-2
Komatsu PC270-7 shop manual. s/n 10......
1. Komatsu 102 series engine shop manual. SA6D102E
2. Komatsu PC270-7 shop manual. s/n 10001 and up
3. Komatsu PC270-7 operation and maintenance manual