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Construction Machinery. Loader-Digger Komatsu WB98A-2
Sizes
| Transport width | 2250 mm |
| Transport height | 3650 mm |
| Height to cab upper part | 2920 mm |
| Wheelbase | 2355 mm |
| Clearance | 440 mm |
Operation
| Working weight 4wd | 8290 kg |
| Maximum weight | 8750 kg |
| Fuel Capacity | 110 l. |
| Hydraulic system fluid volume | 90 l. |
| Oil system fluid volume | 9 l. |
| Cooling system fluid volume | 18 l. |
| Front axle fluid volume | 12 l. |
| Rear axle fluid volume | 10 l. |
| Front tyres size 2wd / 4wd | 16/70 x 24 |
| Rear tyres size 2wd/4wd | 16/70 x 24 |
| Operating voltage | 12 V |
| Generator current strength | 60 amperes |
Motor
| Cylinders number | 4 |
| Manufacturer | Komatsu |
| Model | S4D106-1FC |
| Full power | 84.2 kW |
| Effective power | 72 kW |
| Displacement | 4.4 l. |
| Power measured at | 2200 rev / min |
Load-transfer device
| Radius at max unloading height | 895 mm |
| Digging depth | 75 mm |
| Bucket volume | 1 m3 |
| Shovel width | 2250 mm |
| Bucket breakout force | 63.5 kN |
| Lifting capacity at full height | 3223 kg |
| Ground clearance at maximum unloading height | 2790 mm |
Hydraulic system
| Type of pump | gear type pump |
| Pump bandwidth | 165 l/min |
| Overflow valve pressure | 20000 kPa |
Gear box
| Transmission type | Hydro-Static Transmission |
| Forward gears number | 4 |
| Reverse gears number | 4 |
| Maximum forward speed | 36 km/h |
| Maximum reverse gear | 36 km/h |
Backdigger
| Digging depth in folded state | 4500 mm |
| Digging depth in unfolded state | 5650 mm |
| Hinge joint radius in folded state | 5550 mm |
| Hinge joint radius in unfolded state | 6550 mm |
| Bucket digging force in folded state | 5926 kg |
| Loading height in folded state | 4080 mm |
| Loading height in unfolded state | 5080 mm |
| Radius at high-altitude loading in folded state | 2580 mm |
| Radius at high-altitude loading in unfolded state | 3580 mm |
Images
Sizes
| 4. Wheelbase | 2355 mm |
| 5. Clearance | 440 mm |
| 6. Height to cab upper part | 2920 mm |
| 2. Transport width | 2250 mm |
| 3. Transport height | 3650 mm |
Load-transfer device
| 7. Ground clearance at maximum unloading height | 2790 mm |
| 8. Radius at max unloading height | 895 mm |
| 9. Digging depth | 75 mm |
Backdigger
| 10. Loading height in folded state | 4080 mm |
| 11. Hinge joint radius in folded state | 5550 mm |
| 12. Digging depth in folded state | 4500 mm |
| 13. Radius at high-altitude loading in folded state | 2580 mm |