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- Komatsu D31Q-20 vs. Komatsu D21Q-5
Komatsu D31Q-20 vs. Komatsu D21Q-5
6 reasons to buy Komatsu D31Q-20:
Sizes
Width to outside of caterpillar track | 2250 mm and 2000 mm | 11 % more or 250 mm |
Ground clearance at full height and unloading | 2640 mm and 2235 mm | 15 % more or 405 mm |
Operation
Fuel Capacity | 115 l. and 60 l. | 48 % more or 55 l. |
Maximum speed | 6.5 km/h and 4.4 km/h | 32 % more or 2.1 km/h |
Motor
Effective power | 52 kW and 29.1 kW | 44 % more or 22.9 kW |
Displacement | 3.9 l. and 2.9 l. | 26 % more or 1.0 l. |
3 reasons to buy Komatsu D21Q-5:
Operation
Static tipping load | 2340.5 kg and 4430 kg | 47 % less or 2089.5 kg |
Breakout force in folded state | 39.8 kN and 66.7 kN | 40 % less or 26.9 kN |
Carrier
Specific ground pressure | 23.5 kPa and 30.4 kPa | 23 % less or 6.9 kPa |
Neutral reasons:
Sizes
Length with bucket on ground level | 3990 mm and 3445 mm |
Height to cab upper part | 2695 mm and 2185 mm |
Radius at high altitude unloading | 750 mm and 660 mm |
Operation
Working weight | 7120 kg and 4141.3 kg |
Motor
Manufacturer | Komatsu and Komatsu |
Model | S4D102E and 4D94 |
Carrier
Track shoe width | 600 mm and 510 mm |
Rolling bearings number on either side | 5 and 5 |
Caterpillar track length on ground level | 1880 mm and 1685 mm |
Track width | 1650 mm and 1490 mm |
Images
Sizes
1. Length with bucket on ground level | 3990 mm | 1. Length with bucket on ground level | 3445 mm |
2. Width to outside of caterpillar track | 2250 mm | 2. Width to outside of caterpillar track | 2000 mm |
3. Height to cab upper part | 2695 mm | 3. Height to cab upper part | 2185 mm |
7. Ground clearance at full height and unloading | 2640 mm | 7. Ground clearance at full height and unloading | 2235 mm |
8. Radius at high altitude unloading | 750 mm | 8. Radius at high altitude unloading | 660 mm |
Carrier
9. Track width | 1650 mm | 9. Track width | 1490 mm |