This collection contains the following 3 x manuals:

Komatsu WA20-2,WA30-5,WA40-3,WA50-3 operation manual
Komatsu WA50-3 workshop manual.
Komatsu 82E,98E series diesel engine shop manual.

Komatsu WA50-3 workshop manual.
394 pages.
File type PDF
serial number
WA50-3 21450 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 are also explained

Komatsu WA20-2,wa30-5,wa40-3,wa50-3 operation manual.
This is a factory manual 195 pages.
File type PDF
serial number ranges
WA20-2 s/n 12172 and up
WA30-5 s/n 18970 and up
WA40-3 s/n 15674 and up
WA50-3 s/n 21428 and up
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 82E,98E series shop manual. This is a high quality manual. 206 pages.
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.

The following engine models are covered by this manual.
3D82AE
3D84E
S3D84E
3D88E
4D84E
S4D84E
4D88E
4D94LE
4D98E
S4D98E

Komatsu machines they are fitted to.

APPLICABLE MACHINE, SERIAL NUMBER
Engine Machine model Machine Serial No.
3D82AE-5M PC27MR-2 15001 and up
3D84E-5N PC30MR-2 20001 and up
3D84E-5X WA30-5 26001 and up
S3D84E-5X
WA40-3 19001 and up
WA50-3 23001 and up
S3D84E-5PBA PC35MR-2 6736 and up High altitude spec.
3D88E-5P
PC35MR-2 5001 and up
MX352 6Y6089 and up
4D88E-5X
PC40MR-2 8001 and up
PC50MR-2 5001 and up
MX502 6Y7038 and up
PC58UU-3 22001 and up
4D94LE-2Z
D20A-8 83001 and up
D20P-8 83001 and up
D20PL-8 63001 and up
D20PLL-8 63001 and up
D21A-8 83001 and up
D21P-8 83001 and up
D21PL-8 63001 and up
D21PLL-8 63001 and up