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- Komatsu D155A-1 vs. Komatsu D21PG-7A
Komatsu D155A-1 vs. Komatsu D21PG-7A
5 reasons to buy Komatsu D155A-1:
Motor
Full power | 238.6 kW and 29.8 kW | 88 % more or 208.8 kW |
Displacement | 19.3 l. and 2.7 l. | 86 % more or 16.6 l. |
Gear box
Forward gears number | 3 and 2 | 33 % more or 1 |
Reverse gears number | 3 and 2 | 33 % more or 1 |
Carrier
Rolling bearings number on either side | 7 and 5 | 29 % more or 2 |
Neutral reasons:
Standard blade
Width | 4130 mm and 2560 mm |
Height | 1590 mm and 590 mm |
Sizes
Length without blade | 5100 mm and 2550 mm |
Width between caterpillar tracks | 2810 mm and 1990 mm |
Caterpillar track length on ground level | 3150 mm and 1685 mm |
Operation
Working weight | 26920.7 kg and 4030 kg |
Motor
Manufacturer | Komatsu and Komatsu |
Model | S6D155-4 and 4D95S |
Gear box
Transmission type | planetary gear and HS |
Carrier
Track width | 2140 mm and 1490 mm |
Standard shoe size | 560 mm and 500 mm |
Images
Sizes
4. Caterpillar track length on ground level | 3150 mm | 4. Caterpillar track length on ground level | 1685 mm |
6. Length without blade | 5100 mm | 6. Length without blade | 2550 mm |
2. Width between caterpillar tracks | 2810 mm | 2. Width between caterpillar tracks | 1990 mm |
Carrier
7. Track width | 2140 mm | 7. Track width | 1490 mm |
8. Standard shoe size | 560 mm | 8. Standard shoe size | 500 mm |


