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- Komatsu D65S-7 vs. Komatsu D21S-5
Komatsu D65S-7 vs. Komatsu D21S-5
8 reasons to buy Komatsu D65S-7:
Sizes
| Width to outside of caterpillar track | 2355 mm and 1610 mm | 32 % more or 745 mm |
| Ground clearance at full height and unloading | 2730 mm and 2130 mm | 22 % more or 600 mm |
Operation
| Maximum speed | 9.8 km/h and 4.4 km/h | 55 % more or 5.4 km/h |
| Fuel Capacity | 280 l. and 60 l. | 79 % more or 220 l. |
| Cooling system fluid volume | 55 l. and 13 l. | 76 % more or 42 l. |
Motor
| Effective power | 119.3 kW and 29.1 kW | 76 % more or 90.2 kW |
| Displacement | 12.2 l. and 2.9 l. | 76 % more or 9.3 l. |
Carrier
| Rolling bearings number on either side | 6 and 5 | 17 % more or 1 |
3 reasons to buy Komatsu D21S-5:
Operation
| Breakout force in folded state | 35 kN and 62.4 kN | 44 % less or 27.4 kN |
| Static tipping load | 2231.7 kg and 5125.6 kg | 56 % less or 2893.9 kg |
Carrier
| Specific ground pressure | 37.2 kPa and 72.6 kPa | 49 % less or 35.4 kPa |
Neutral reasons:
Sizes
| Length with bucket on ground level | 5790 mm and 3560 mm |
| Height to cab upper part | 2990 mm and 2140 mm |
| Radius at high altitude unloading | 1300 mm and 735 mm |
Operation
| Working weight | 18000 kg and 3830 kg |
Motor
| Manufacturer | Cummins and Komatsu |
| Model | NH220-CI and 4D94 |
Carrier
| Track width | 1880 mm and 1310 mm |
| Track shoe width | 460 mm and 300 mm |
| Caterpillar track length on ground level | 2635 mm and 1685 mm |
Images
Sizes
| 1. Length with bucket on ground level | 5790 mm | 1. Length with bucket on ground level | 3560 mm |
| 2. Width to outside of caterpillar track | 2355 mm | 2. Width to outside of caterpillar track | 1610 mm |
| 3. Height to cab upper part | 2990 mm | 3. Height to cab upper part | 2140 mm |
| 7. Ground clearance at full height and unloading | 2730 mm | 7. Ground clearance at full height and unloading | 2130 mm |
| 8. Radius at high altitude unloading | 1300 mm | 8. Radius at high altitude unloading | 735 mm |
Carrier
| 9. Track width | 1880 mm | 9. Track width | 1310 mm |