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- Komatsu WA80-5 vs. Case 721C
Komatsu WA80-5 vs. Case 721C
6 reasons to buy Komatsu WA80-5:
Shovel
Breakout power | 10164 pound and 35005 pound | 71 % less or 24841 pound |
Operation
Turn radius | 3825 mm and 5250 mm | 27 % less or 1425 mm |
Motor
Power measured at | 2350 rev / min and 2200 rev / min | 6 % more or 150 rev |
Hydraulic system
Lowering time | 2.8 sec and 5.1 sec | 45 % less or 2.3 sec |
Lifting time | 4.9 sec and 5.4 sec | 9 % less or 0.5 sec |
Gear box
Maximum reverse gear | 30 km/h and 27.5 km/h | 8 % more or 2.5 km/h |
15 reasons to buy Case 721C:
Sizes
Clearance | 419 mm and 300 mm | 28 % more or 119 mm |
Shovel
Unloading ground clearance at maximum lifting | 3010 mm and 2425 mm | 19 % more or 585 mm |
Operation
Hydraulic system fluid volume | 153.3 l. and 30 l. | 80 % more or 123.3 l. |
Engine oil volume | 20.8 l. and 7.5 l. | 64 % more or 13.3 l. |
Cooling system fluid volume | 32.2 l. and 9.1 l. | 72 % more or 23.1 l. |
Front axle / differential fluid volume | 28 l. and 8.6 l. | 69 % more or 19.4 l. |
Rear axle / differential fluid volume | 22 l. and 8.6 l. | 61 % more or 13.4 l. |
Static tipping weight | 10533 kg and 4325 kg | 59 % more or 6208 kg |
Fuel Capacity | 204 l. and 84 l. | 59 % more or 120 l. |
Motor
Displacement | 8.3 l. and 3.3 l. | 60 % more or 5.0 l. |
Cylinders number | 6 and 4 | 33 % more or 2 |
Effective power | 113.3 kW and 45 kW | 60 % more or 68.3 kW |
Gear box
Forward gears number | 4 and 2 | 50 % more or 2 |
Reverse gears number | 3 and 2 | 33 % more or 1 |
Maximum forward speed | 38.9 km/h and 30 km/h | 23 % more or 8.9 km/h |
Neutral reasons:
Sizes
Between tyres width | 1875 mm and 2530 mm |
Height to cab upper part | 2665 mm and 3260 mm |
Hinge axis maximum height | 3210 mm and 3810 mm |
Wheelbase | 2200 mm and 2900 mm |
Length with bucket on ground level | 5480 mm and 6890 mm |
Shovel
Shovel width | 1915 mm and 2620 mm |
Operation
Working weight | 5640 kg and 13439.9 kg |
Motor
Aspiration | natural aspiration and turbocharging |
Manufacturer | Komatsu and Case |
Model | 4D95-LE3 and 6T-830 |
Hydraulic system
Type of pump | Open hydraulic system and pumps with twin vanes |
Overflow valve pressure | 0 kPa and 132.9 kPa |
Gear box
Transmission type | Hydrostatic transmission, switchable in all directions under full load and 4F / 3R (4 forward / 3 reverse speeds) proportional with electronic control module, with torque measurement, automatic / manual shifting and modulating |
Images
Sizes
1. Length with bucket on ground level | 5480 mm | 1. Length with bucket on ground level | 6890 mm |
2. Between tyres width | 1875 mm | 2. Between tyres width | 2530 mm |
3. Height to cab upper part | 2665 mm | 3. Height to cab upper part | 3260 mm |
4. Wheelbase | 2200 mm | 4. Wheelbase | 2900 mm |
5. Clearance | 300 mm | 5. Clearance | 419 mm |
6. Hinge axis maximum height | 3210 mm | 6. Hinge axis maximum height | 3810 mm |
Shovel
7. Unloading ground clearance at maximum lifting | 2425 mm | 7. Unloading ground clearance at maximum lifting | 3010 mm |