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- Komatsu D20A-6 vs. Caterpillar D7R
Komatsu D20A-6 vs. Caterpillar D7R
1 reasons to buy Komatsu D20A-6:
Motor
Power measured at | 2450 rev / min and 2100 rev / min | 14 % more or 350 rev |
7 reasons to buy Caterpillar D7R:
Sizes
Clearance | 414 mm and 295 mm | 29 % more or 119 mm |
Motor
Full power | 184.2 kW and 29.8 kW | 84 % more or 154.4 kW |
Displacement | 10.5 l. and 2.7 l. | 74 % more or 7.8 l. |
Cylinders number | 6 and 4 | 33 % more or 2 |
Gear box
Reverse gears number | 3 and 2 | 33 % more or 1 |
Carrier
Track shoes number per side | 40 and 37 | 7 % more or 3 |
Rolling bearings number on either side | 7 and 5 | 29 % more or 2 |
Neutral reasons:
Standard blade
Width | 2170 mm and 3904 mm |
Height | 590 mm and 1363 mm |
Sizes
Length without blade | 2550 mm and 4736 mm |
Length with blade | 3400 mm and 5817 mm |
Width between caterpillar tracks | 1610 mm and 2869 mm |
Height to cab upper part | 2475 mm and 3573 mm |
Caterpillar track length on ground level | 1685 mm and 2878 mm |
Operation
Working weight | 3550 kg and 24584.7 kg |
Motor
Manufacturer | Komatsu and Caterpillar |
Model | 4D95S and 3306T |
Gear box
Transmission type | DD and powershift |
Forward gears number | 3 and 3 |
Carrier
Track width | 1310 mm and 1981 mm |
Standard shoe size | 300 mm and 560 mm |
Images
Sizes
1. Length with blade | 3400 mm | 1. Length with blade | 5817 mm |
2. Width between caterpillar tracks | 1610 mm | 2. Width between caterpillar tracks | 2869 mm |
3. Height to cab upper part | 2475 mm | 3. Height to cab upper part | 3573 mm |
4. Caterpillar track length on ground level | 1685 mm | 4. Caterpillar track length on ground level | 2878 mm |
5. Clearance | 295 mm | 5. Clearance | 414 mm |
6. Length without blade | 2550 mm | 6. Length without blade | 4736 mm |
Carrier
7. Track width | 1310 mm | 7. Track width | 1981 mm |
8. Standard shoe size | 300 mm | 8. Standard shoe size | 560 mm |