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- Caterpillar 938G serie II vs. Case 721FXR
Caterpillar 938G serie II vs. Case 721FXR
9 reasons to buy Caterpillar 938G serie II:
Sizes
Clearance | 409 mm and 365 mm | 11 % more or 44 mm |
Operation
Static tipping weight | 11444 kg and 10121.9 kg | 12 % more or 1322.1 kg |
Fuel Capacity | 254 l. and 246.1 l. | 3 % more or 7.9 l. |
Engine oil volume | 31 l. and 15.1 l. | 51 % more or 15.9 l. |
Cooling system fluid volume | 48 l. and 28.4 l. | 41 % more or 19.6 l. |
Rear axle / differential fluid volume | 32 l. and 23 l. | 28 % more or 9 l. |
Motor
Displacement | 7.2 l. and 6.7 l. | 7 % more or 0.5 l. |
Torque increase | 62 % and 37 % | 40 % more or 25 % |
Gear box
Maximum forward speed | 38.8 km/h and 37.8 km/h | 3 % more or 1.0 km/h |
14 reasons to buy Case 721FXR:
Sizes
Radius at maximum lifting and unloading | 1126 mm and 977 mm | 13 % more or 149 mm |
Shovel
Bucket capacity with top | 2.5 m3 and 2.3 m3 | 8 % more or 0.2 m3 |
Unloading ground clearance at maximum lifting | 3324 mm and 2889 mm | 13 % more or 435 mm |
Operation
Generator current strength | 65 amperes and 50 amperes | 23 % more or 15 amperes |
Hydraulic system fluid volume | 177.9 l. and 90 l. | 49 % more or 87.9 l. |
Transmission fluid volume | 34 l. and 30 l. | 12 % more or 4 l. |
Front axle / differential fluid volume | 35 l. and 30 l. | 14 % more or 5 l. |
Motor
Full power | 145.4 kW and 134 kW | 8 % more or 11.4 kW |
Maximum torque | 913.8 Nm and 839 Nm | 8 % more or 74.8 Nm |
Hydraulic system
Pump bandwidth | 206 l/min and 163 l/min | 21 % more or 43 l/min |
Lifting time | 5.2 sec and 6 sec | 13 % less or 0.8 sec |
Unloading time | 1.3 sec and 1.4 sec | 7 % less or 0.1 sec |
Lowering time | 2.4 sec and 2.8 sec | 14 % less or 0.4 sec |
Gear box
Maximum reverse gear | 25.6 km/h and 23.3 km/h | 9 % more or 2.3 km/h |
Neutral reasons:
Sizes
Length with bucket on ground level | 7181 mm and 8006 mm |
Between tyres width | 2550 mm and 2653 mm |
Height to cab upper part | 3309 mm and 3385 mm |
Wheelbase | 3020 mm and 3253 mm |
Hinge axis maximum height | 3843 mm and 4374 mm |
Shovel
Shovel width | 2706 mm and 2700 mm |
Operation
Operating voltage | 24 V and 24 V |
Rear axle oscillating | 24 degrees and 24 degrees |
Working weight | 13979 kg and 14510.9 kg |
Motor
Aspiration | turbocharging and turbocharging |
Manufacturer | Caterpillar and FPT |
Model | 3126B HEUI and F4HFE613Y |
Hydraulic system
Overflow valve pressure | 24800 kPa and 24993.5 kPa |
Gear box
Forward gears number | 4 and 4 |
Reverse gears number | 3 and 3 |
Images
Sizes
6. Hinge axis maximum height | 3843 mm | 6. Hinge axis maximum height | 4374 mm |
8. Radius at maximum lifting and unloading | 977 mm | 8. Radius at maximum lifting and unloading | 1126 mm |
1. Length with bucket on ground level | 7181 mm | 1. Length with bucket on ground level | 8006 mm |
2. Between tyres width | 2550 mm | 2. Between tyres width | 2653 mm |
3. Height to cab upper part | 3309 mm | 3. Height to cab upper part | 3385 mm |
4. Wheelbase | 3020 mm | 4. Wheelbase | 3253 mm |
5. Clearance | 409 mm | 5. Clearance | 365 mm |
Shovel
7. Unloading ground clearance at maximum lifting | 2889 mm | 7. Unloading ground clearance at maximum lifting | 3324 mm |