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- Caterpillar 924F vs. Case 621EXT
Caterpillar 924F vs. Case 621EXT
5 reasons to buy Caterpillar 924F:
Operation
Transmission fluid volume | 23 l. and 18.9 l. | 18 % more or 4.1 l. |
Motor
Power measured at | 2400 rev / min and 1800 rev / min | 25 % more or 600 rev |
Hydraulic system
Lifting time | 4.3 sec and 6.3 sec | 32 % less or 2.0 sec |
Unloading time | 1.3 sec and 1.7 sec | 24 % less or 0.4 sec |
Lowering time | 2.7 sec and 4.7 sec | 43 % less or 2.0 sec |
18 reasons to buy Case 621EXT:
Sizes
Radius at maximum lifting and unloading | 1141 mm and 855 mm | 25 % more or 286 mm |
Shovel
Unloading ground clearance at maximum lifting | 2792 mm and 2700 mm | 3 % more or 92 mm |
Bucket capacity with top | 2.3 m3 and 1.7 m3 | 26 % more or 0.6 m3 |
Brimmed bucket capacity | 2 m3 and 1.4 m3 | 30 % more or 0.6 m3 |
Operation
Hydraulic system fluid volume | 147.6 l. and 77 l. | 48 % more or 70.6 l. |
Engine oil volume | 13.2 l. and 10 l. | 24 % more or 3.2 l. |
Cooling system fluid volume | 36 l. and 35 l. | 3 % more or 1 l. |
Front axle / differential fluid volume | 22 l. and 21 l. | 5 % more or 1 l. |
Rear axle / differential fluid volume | 22 l. and 21 l. | 5 % more or 1 l. |
Static tipping weight | 10603 kg and 7203 kg | 32 % more or 3400 kg |
Fuel Capacity | 246 l. and 157 l. | 36 % more or 89 l. |
Motor
Displacement | 6.7 l. and 4.4 l. | 34 % more or 2.3 l. |
Cylinders number | 6 and 4 | 33 % more or 2 |
Effective power | 109 kW and 78.3 kW | 28 % more or 30.7 kW |
Full power | 116 kW and 82.8 kW | 29 % more or 33.2 kW |
Hydraulic system
Pump bandwidth | 171 l/min and 132 l/min | 23 % more or 39 l/min |
Gear box
Maximum forward speed | 38.6 km/h and 38.5 km/h | 0 % more or 0.1 km/h |
Maximum reverse gear | 25 km/h and 23.8 km/h | 5 % more or 1.2 km/h |
Neutral reasons:
Sizes
Between tyres width | 2328 mm and 2523 mm |
Height to cab upper part | 3136 mm and 3395 mm |
Wheelbase | 2700 mm and 2900 mm |
Length with bucket on ground level | 6524 mm and 7593 mm |
Hinge axis maximum height | 3590 mm and 3956 mm |
Shovel
Shovel width | 2395 mm and 2602 mm |
Operation
Rear axle oscillating | 24 degrees and 24 degrees |
Tyre size | 17.5-25 and 20.5 R25 |
Working weight | 9025 kg and 13022.2 kg |
Motor
Aspiration | turbocharging and Turbocharging with subsequent air cooling (by a cooling radiator) |
Manufacturer | Caterpillar and Case |
Model | 3114 and Family IV, 667TA/EDB, III Level III certified |
Hydraulic system
Overflow valve pressure | 24821.1 kPa and 24822 kPa |
Gear box
Transmission type | powershift transmission and 4 forward / 3 reverse gears proportional with electronic control module |
Forward gears number | 4 and 4 |
Reverse gears number | 3 and 3 |
Images
Sizes
2. Between tyres width | 2328 mm | 2. Between tyres width | 2523 mm |
3. Height to cab upper part | 3136 mm | 3. Height to cab upper part | 3395 mm |
4. Wheelbase | 2700 mm | 4. Wheelbase | 2900 mm |
6. Hinge axis maximum height | 3590 mm | 6. Hinge axis maximum height | 3956 mm |
8. Radius at maximum lifting and unloading | 855 mm | 8. Radius at maximum lifting and unloading | 1141 mm |
1. Length with bucket on ground level | 6524 mm | 1. Length with bucket on ground level | 7593 mm |
Shovel
7. Unloading ground clearance at maximum lifting | 2700 mm | 7. Unloading ground clearance at maximum lifting | 2792 mm |