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Komatsu D31P-18A vs. Komatsu D20PG-7A
6 reasons to buy Komatsu D31P-18A:
Sizes
Clearance | 380 mm and 365 mm | 4 % more or 15 mm |
Motor
Displacement | 4.9 l. and 2.7 l. | 45 % more or 2.2 l. |
Cylinders number | 6 and 4 | 33 % more or 2 |
Full power | 52.9 kW and 29.8 kW | 44 % more or 23.1 kW |
Gear box
Reverse gears number | 3 and 2 | 33 % more or 1 |
Carrier
Rolling bearings number on either side | 6 and 5 | 17 % more or 1 |
1 reasons to buy Komatsu D20PG-7A:
Motor
Power measured at | 2450 rev / min and 2350 rev / min | 4 % more or 100 rev |
Neutral reasons:
Standard blade
Width | 2875 mm and 2560 mm |
Height | 790 mm and 590 mm |
Sizes
Width between caterpillar tracks | 2250 mm and 1990 mm |
Length without blade | 3030 mm and 2550 mm |
Length with blade | 3940 mm and 3385 mm |
Height to cab upper part | 2730 mm and 2510 mm |
Caterpillar track length on ground level | 2185 mm and 1685 mm |
Operation
Working weight | 6800 kg and 3980 kg |
Motor
Manufacturer | Komatsu and Komatsu |
Model | 6D95L and 4D95S |
Gear box
Transmission type | HS and DD |
Forward gears number | 3 and 3 |
Carrier
Standard shoe size | 600 mm and 500 mm |
Caterpillar track pitch | 154 mm and 146.5 mm |
Track width | 1650 mm and 1490 mm |
Images
Sizes
1. Length with blade | 3940 mm | 1. Length with blade | 3385 mm |
2. Width between caterpillar tracks | 2250 mm | 2. Width between caterpillar tracks | 1990 mm |
3. Height to cab upper part | 2730 mm | 3. Height to cab upper part | 2510 mm |
4. Caterpillar track length on ground level | 2185 mm | 4. Caterpillar track length on ground level | 1685 mm |
5. Clearance | 380 mm | 5. Clearance | 365 mm |
6. Length without blade | 3030 mm | 6. Length without blade | 2550 mm |
Carrier
7. Track width | 1650 mm | 7. Track width | 1490 mm |
8. Standard shoe size | 600 mm | 8. Standard shoe size | 500 mm |