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- Komatsu WA900-3 vs. John Deere 724K Z-Bar
Komatsu WA900-3 vs. John Deere 724K Z-Bar
19 reasons to buy Komatsu WA900-3:
Sizes
Radius at maximum lifting and unloading | 2450 mm and 1130 mm | 54 % more or 1320 mm |
Clearance | 550 mm and 410 mm | 25 % more or 140 mm |
Shovel
Bucket capacity with top | 13 m3 and 3.6 m3 | 72 % more or 9.4 m3 |
Brimmed bucket capacity | 11 m3 and 3.2 m3 | 71 % more or 7.8 m3 |
Unloading ground clearance at maximum lifting | 4715 mm and 2790 mm | 41 % more or 1925 mm |
Operation
Rear axle / differential fluid volume | 360 l. and 22 l. | 94 % more or 338 l. |
Static tipping weight | 66140 kg and 16489 kg | 75 % more or 49651 kg |
Fuel Capacity | 1425 l. and 352 l. | 75 % more or 1073 l. |
Hydraulic system fluid volume | 725 l. and 110 l. | 85 % more or 615 l. |
Engine oil volume | 132 l. and 28 l. | 79 % more or 104 l. |
Cooling system fluid volume | 319 l. and 34 l. | 89 % more or 285 l. |
Transmission fluid volume | 140 l. and 24 l. | 83 % more or 116 l. |
Front axle / differential fluid volume | 360 l. and 22 l. | 94 % more or 338 l. |
Motor
Cylinders number | 12 and 6 | 50 % more or 6 |
Effective power | 636.1 kW and 196.9 kW | 69 % more or 439.2 kW |
Power measured at | 2000 rev / min and 1800 rev / min | 10 % more or 200 rev |
Displacement | 30.5 l. and 9 l. | 70 % more or 21.5 l. |
Hydraulic system
Pump bandwidth | 405 l/min and 310 l/min | 23 % more or 95 l/min |
Gear box
Maximum reverse gear | 28.3 km/h and 24.2 km/h | 14 % more or 4.1 km/h |
8 reasons to buy John Deere 724K Z-Bar:
Shovel
Breakout power | 141.2 kN and 665.9 kN | 79 % less or 524.7 kN |
Operation
Generator current strength | 80 amperes and 75 amperes | 6 % more or 5 amperes |
Turn radius | 5640 mm and 11065 mm | 49 % less or 5425 mm |
Hydraulic system
Unloading time | 1.2 sec and 2 sec | 40 % less or 0.8 sec |
Lowering time | 3 sec and 4.8 sec | 37 % less or 1.8 sec |
Lifting time | 5.5 sec and 11.2 sec | 51 % less or 5.7 sec |
Gear box
Forward gears number | 4 and 3 | 25 % more or 1 |
Maximum forward speed | 35.6 km/h and 28 km/h | 21 % more or 7.6 km/h |
Neutral reasons:
Sizes
Length with bucket on ground level | 14430 mm and 8340 mm |
Between tyres width | 4585 mm and 2880 mm |
Height to cab upper part | 5275 mm and 3380 mm |
Wheelbase | 5450 mm and 3260 mm |
Hinge axis maximum height | 6960 mm and 4070 mm |
Shovel
Shovel width | 4815 mm and 3040 mm |
Operation
Rear axle oscillating | 22 degrees and 26 degrees |
Tyre size | 45/64-45 and 23.5 R25 |
Operating voltage | 24 V and 24 V |
Working weight | 102880 kg and 19130 kg |
Motor
Manufacturer | Komatsu and John Deere |
Model | SAA12V140ZE-2 and 6090H, III Level III certified |
Aspiration | Turbocharging with subsequent air cooling (by a cooling radiator) and Turbocharger with charge air cooler by oncoming air flow |
Hydraulic system
Type of pump | variable displacement piston pump and variable displacement axial piston pump |
Overflow valve pressure | 34315.2 kPa and 25165.8 kPa |
Gear box
Transmission type | powershift transmission and Powershift transmission of intermediate type |
Reverse gears number | 3 and 3 |
Images
Sizes
2. Between tyres width | 4585 mm | 2. Between tyres width | 2880 mm |
3. Height to cab upper part | 5275 mm | 3. Height to cab upper part | 3380 mm |
4. Wheelbase | 5450 mm | 4. Wheelbase | 3260 mm |
5. Clearance | 550 mm | 5. Clearance | 410 mm |
6. Hinge axis maximum height | 6960 mm | 6. Hinge axis maximum height | 4070 mm |
8. Radius at maximum lifting and unloading | 2450 mm | 8. Radius at maximum lifting and unloading | 1130 mm |
1. Length with bucket on ground level | 14430 mm | 1. Length with bucket on ground level | 8340 mm |
Shovel
7. Unloading ground clearance at maximum lifting | 4715 mm | 7. Unloading ground clearance at maximum lifting | 2790 mm |