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Construction Machinery. Loader-Digger Caterpillar 420D
Sizes
| Transport length | 6974 mm |
| Transport width | 2352 mm |
| Transport height | 3585 mm |
| Height to cab upper part | 2770 mm |
| Wheelbase | 2100 mm |
| Clearance | 297 mm |
Operation
| Working weight 4wd | 7150 kg |
| Fuel Capacity | 128 l. |
| Turn radius | 5350 mm |
| Front tyres size 2wd / 4wd | 11Lx16,12PR/12.5 / 80x18,10PR |
| Rear tyres size 2wd/4wd | 19.5x24,10PR / 19.5L24,10PR |
Motor
| Full power | 65.6 kW |
| Effective power | 63.4 kW |
| Displacement | 4 l. |
| Power measured at | 2200 rev / min |
| Cylinders number | 4 |
| Manufacturer | Caterpillar |
| Model | 3054T |
Load-transfer device
| Bucket volume | 0.96 m3 |
| Shovel width | 2262 mm |
| Bucket breakout force | 45.1 kN |
| Lifting capacity at full height | 2896 kg |
| Ground clearance at maximum unloading height | 2544 mm |
| Radius at max unloading height | 835 mm |
| Digging depth | 135 mm |
Hydraulic system
| Type of pump | load sensing, pressure control, with locking in the middle position |
| Pump bandwidth | 163 l/min |
| Overflow valve pressure | 22754 kPa |
Gear box
| Transmission type | servodrive |
| Forward gears number | 4 |
| Reverse gears number | 4 |
| Maximum forward speed | 32.8 km/h |
| Maximum reverse gear | 32.8 km/h |
Backdigger
| Digging depth in folded state | 4390 mm |
| Digging depth in unfolded state | 5510 mm |
| Hinge joint radius in folded state | 5650 mm |
| Hinge joint radius in unfolded state | 6675 mm |
| Bucket digging force in folded state | 6673.3 kg |
| Bucket digging force in unfolded state | 6616.1 kg |
| Loading height in folded state | 3613 mm |
| Loading height in unfolded state | 4175 mm |
| Radius at high-altitude loading in folded state | 862 mm |
| Radius at high-altitude loading in unfolded state | 751 mm |
Images
Sizes
| 1. Transport length | 6974 mm |
| 2. Transport width | 2352 mm |
| 3. Transport height | 3585 mm |
| 4. Wheelbase | 2100 mm |
| 5. Clearance | 297 mm |
| 6. Height to cab upper part | 2770 mm |
Load-transfer device
| 7. Ground clearance at maximum unloading height | 2544 mm |
| 8. Radius at max unloading height | 835 mm |
| 9. Digging depth | 135 mm |
Backdigger
| 12. Digging depth in folded state | 4390 mm |
| 13. Radius at high-altitude loading in folded state | 862 mm |
| 10. Loading height in folded state | 3613 mm |
| 11. Hinge joint radius in folded state | 5650 mm |
