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- Komatsu D21A-6 vs. Komatsu D41A-3
Komatsu D21A-6 vs. Komatsu D41A-3
1 reasons to buy Komatsu D21A-6:
Motor
Power measured at | 2450 rev / min and 2350 rev / min | 4 % more or 100 rev |
6 reasons to buy Komatsu D41A-3:
Sizes
Clearance | 360 mm and 295 mm | 18 % more or 65 mm |
Motor
Displacement | 6.5 l. and 2.7 l. | 58 % more or 3.8 l. |
Cylinders number | 6 and 4 | 33 % more or 2 |
Full power | 69.4 kW and 29.8 kW | 57 % more or 39.6 kW |
Gear box
Forward gears number | 3 and 2 | 33 % more or 1 |
Reverse gears number | 3 and 2 | 33 % more or 1 |
Neutral reasons:
Standard blade
Width | 2170 mm and 3180 mm |
Height | 590 mm and 750 mm |
Sizes
Height to cab upper part | 2475 mm and 2795 mm |
Width between caterpillar tracks | 1610 mm and 1940 mm |
Caterpillar track length on ground level | 1685 mm and 2060 mm |
Length without blade | 2550 mm and 3410 mm |
Length with blade | 3400 mm and 4250 mm |
Operation
Working weight | 3600 kg and 9800 kg |
Motor
Manufacturer | Komatsu and Komatsu |
Model | 4D95S and 6D105-1 |
Gear box
Transmission type | HS and HS |
Carrier
Standard shoe size | 300 mm and 400 mm |
Track shoes number per side | 37 and 37 |
Rolling bearings number on either side | 5 and 5 |
Caterpillar track pitch | 135 mm and 175 mm |
Track width | 1310 mm and 1540 mm |
Images
Sizes
1. Length with blade | 3400 mm | 1. Length with blade | 4250 mm |
2. Width between caterpillar tracks | 1610 mm | 2. Width between caterpillar tracks | 1940 mm |
3. Height to cab upper part | 2475 mm | 3. Height to cab upper part | 2795 mm |
4. Caterpillar track length on ground level | 1685 mm | 4. Caterpillar track length on ground level | 2060 mm |
5. Clearance | 295 mm | 5. Clearance | 360 mm |
6. Length without blade | 2550 mm | 6. Length without blade | 3410 mm |
Carrier
7. Track width | 1310 mm | 7. Track width | 1540 mm |
8. Standard shoe size | 300 mm | 8. Standard shoe size | 400 mm |


