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Construction Machinery. Loader-Digger Caterpillar 420E
Sizes
| Transport length | 7343 mm |
| Transport width | 2438 mm |
| Transport height | 3577 mm |
| Height to cab upper part | 2819 mm |
| Wheelbase | 2200 mm |
| Clearance | 320 mm |
Operation
| Working weight 4wd | 7310 kg |
| Maximum weight | 11000 kg |
| Fuel Capacity | 144 l. |
| Hydraulic system fluid volume | 79 l. |
| Oil system fluid volume | 7.6 l. |
| Cooling system fluid volume | 16.7 l. |
| Transmission fluid volume | 19 l. |
| Front axle fluid volume | 11 l. |
| Rear axle fluid volume | 16.5 l. |
| Turn radius | 5420 mm |
| Front tyres size 2wd / 4wd | 11L-16 F-3/12.5/80-18 (10 layers) 1-3 good road adherence |
| Rear tyres size 2wd/4wd | 19.5L-24 (12 layers) R4 ATU/ 19.5L-24 (12 layers) IT 525 |
| Operating voltage | 12 V |
Motor
| Manufacturer | Caterpillar |
| Model | C4.4 DIT |
| Full power | 75.3 kW |
| Effective power | 69.4 kW |
| Displacement | 4.4 l. |
| Power measured at | 2200 rev / min |
| Torque measured at | 1400 rev / min |
| Effective torque increase | 36 % |
| Maximum effective torque | 408.1 Nm |
Load-transfer device
| Bucket volume | 0.96 m3 |
| Shovel width | 2262 mm |
| Bucket breakout force | 45.6 kN |
| Lifting capacity at full height | 2929 kg |
| Ground clearance at maximum unloading height | 2573 mm |
| Radius at max unloading height | 853 mm |
| Digging depth | 106 mm |
Hydraulic system
| Type of pump | variable displacement axial piston pump |
| Pump bandwidth | 163 l/min |
| Overflow valve pressure | 24898 kPa |
Gear box
| Maximum forward speed | 40.1 km/h |
| Maximum reverse gear | 40.1 km/h |
| Forward gears number | 4 |
| Reverse gears number | 4 |
Backdigger
| Digging depth in folded state | 4360 mm |
| Digging depth in unfolded state | 5456 mm |
| Hinge joint radius in folded state | 5618 mm |
| Hinge joint radius in unfolded state | 6666 mm |
| Bucket digging force in folded state | 6293.6 kg |
| Bucket digging force in unfolded state | 6288.2 kg |
| Load at maximum lifting in folded state | 1596 kg |
| Load at maximum lifting in unfolded state | 1040 kg |
| Loading height in folded state | 3636 mm |
| Loading height in unfolded state | 4145 mm |
| Radius at high-altitude loading in folded state | 1768 mm |
| Radius at high-altitude loading in unfolded state | 2771 mm |
Images
Sizes
| 1. Transport length | 7343 mm |
| 2. Transport width | 2438 mm |
| 3. Transport height | 3577 mm |
| 4. Wheelbase | 2200 mm |
| 5. Clearance | 320 mm |
| 6. Height to cab upper part | 2819 mm |
Load-transfer device
| 7. Ground clearance at maximum unloading height | 2573 mm |
| 8. Radius at max unloading height | 853 mm |
| 9. Digging depth | 106 mm |
Backdigger
| 10. Loading height in folded state | 3636 mm |
| 11. Hinge joint radius in folded state | 5618 mm |
| 12. Digging depth in folded state | 4360 mm |
| 13. Radius at high-altitude loading in folded state | 1768 mm |