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Construction Machinery. Loader-Digger Caterpillar 446B
Sizes
| Height to cab upper part | 2864 mm |
| Wheelbase | 2233 mm |
| Clearance | 332 mm |
| Transport length | 7654 mm |
| Transport width | 2434 mm |
| Transport height | 4193 mm |
Operation
| Fuel Capacity | 125 l. |
| Turn radius | 5700 mm |
| Front tyres size 2wd / 4wd | 14.5/75 x16.1,10PR,F3 / 12.5x20,10PR,R4 |
| Rear tyres size 2wd/4wd | 21Lx24,12PR,R4 |
| Working weight 4wd | 8890 kg |
Motor
| Manufacturer | Caterpillar |
| Model | 3114 DIT |
| Effective power | 76.1 kW |
| Full power | 82 kW |
| Displacement | 4 l. |
| Power measured at | 2200 rev / min |
| Cylinders number | 4 |
Load-transfer device
| Bucket volume | 1.1 m3 |
| Shovel width | 2434 mm |
| Bucket breakout force | 56 kN |
| Lifting capacity at full height | 3970 kg |
| Ground clearance at maximum unloading height | 2699 mm |
| Radius at max unloading height | 868 mm |
| Digging depth | 162 mm |
Hydraulic system
| Type of pump | load sensing, pressure control, with locking in the middle position |
| Pump bandwidth | 178 l/min |
| Overflow valve pressure | 22400 kPa |
Gear box
| Transmission type | automatic transmission system with power gear shifting |
| Forward gears number | 4 |
| Reverse gears number | 3 |
| Maximum forward speed | 31.5 km/h |
| Maximum reverse gear | 20.6 km/h |
Backdigger
| Digging depth in folded state | 5219 mm |
| Digging depth in unfolded state | 6528 mm |
| Hinge joint radius in folded state | 6604 mm |
| Hinge joint radius in unfolded state | 7868 mm |
| Bucket digging force in folded state | 6894.6 kg |
| Bucket digging force in unfolded state | 6871.9 kg |
| Loading height in folded state | 4310 mm |
| Loading height in unfolded state | 4894 mm |
| Radius at high-altitude loading in folded state | 2027 mm |
| Radius at high-altitude loading in unfolded state | 3261 mm |
Images
Sizes
| 5. Clearance | 332 mm |
| 6. Height to cab upper part | 2864 mm |
| 1. Transport length | 7654 mm |
| 2. Transport width | 2434 mm |
| 3. Transport height | 4193 mm |
| 4. Wheelbase | 2233 mm |
Load-transfer device
| 7. Ground clearance at maximum unloading height | 2699 mm |
| 8. Radius at max unloading height | 868 mm |
| 9. Digging depth | 162 mm |
Backdigger
| 10. Loading height in folded state | 4310 mm |
| 11. Hinge joint radius in folded state | 6604 mm |
| 12. Digging depth in folded state | 5219 mm |
| 13. Radius at high-altitude loading in folded state | 2027 mm |