| Model S/N | Publication type | Preview | Download | 
|---|---|---|---|
| HM300-3(JPN) S/N 3001-UP | Operation and Maintenance Manual | View | |
| HM300-3(JPN) S/N 3001-UP | Field Assembly Manual | View | |
| HM300-3(JPN) S/N 3001-UP | Shop Manual | View | |
| HM300-3(JPN) S/N 3376-UP | Operation and Maintenance Manual | View | |
| HM300-3(JPN) S/N 3376-UP | Operation and Maintenance Manual | View | 
Parts catalog Komatsu:
See also
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| Construction | Komatsu PC240LC-8B | CRAWLER EXCAVATORS | 
| Utility | Komatsu PW95R-2 | WHEELED EXCAVATORS | 
| Construction | Komatsu 125E-6 SERIES | ENGINES | 
| Construction | Komatsu SAA6D125E-6 | ENGINES | 
| Mining | Komatsu H185- | HYDRAULIC MINING SHOVELS | 
| Construction | Komatsu JV40CW-2 | ROLLERS | 
| Construction | Komatsu PC490LC-10 | CRAWLER EXCAVATORS | 
| Construction | Komatsu PC360LC-10 | CRAWLER EXCAVATORS | 
| Construction | Komatsu 107E-2 | ENGINES | 
| Construction | Komatsu 114E-5 | ENGINES | 
| Construction | Komatsu PC360LC-3 | CRAWLER EXCAVATORS | 
| Construction | Komatsu SAA6D107E-2 | ENGINES | 
| Mining | Komatsu H285SE- | HYDRAULIC MINING SHOVELS | 
| Construction | Komatsu D50A-16 | BULLDOZERS | 
| Mining | Komatsu 960E-2 | RIGID DUMP TRUCKS | 
| Utility | Komatsu PC15-3 | CRAWLER EXCAVATORS | 
| Construction | Komatsu PC390LC-10 | CRAWLER EXCAVATORS | 
| Construction | Komatsu WA380-7 | WHEEL LOADERS | 
| Construction | Komatsu D53A-15 | BULLDOZERS | 
| Construction | Komatsu 140E-6 SERIES | ENGINES | 
| Construction | Komatsu 930E-4 | RIGID DUMP TRUCKS | 
| Construction | Komatsu PC710SE-5 | CRAWLER EXCAVATORS | 
| Construction | Komatsu HM400-3 | ARTICULATED DUMP TRUCKS |