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- Komatsu D31EX-22 vs. Caterpillar D9R
Komatsu D31EX-22 vs. Caterpillar D9R
2 reasons to buy Komatsu D31EX-22:
Motor
Power measured at | 2200 rev / min and 1900 rev / min | 14 % more or 300 rev |
Carrier
Specific ground pressure | 46.1 kPa and 110.9 kPa | 58 % less or 64.8 kPa |
14 reasons to buy Caterpillar D9R:
Standard blade
Volume | 16.4 m3 and 1.6 m3 | 90 % more or 14.8 m3 |
Cut depth | 606 mm and 390 mm | 36 % more or 216 mm |
Sizes
Clearance | 591 mm and 315 mm | 47 % more or 276 mm |
Operation
Final drive fluid volume | 18.9 l. and 3.5 l. | 81 % more or 15.4 l. |
Fuel Capacity | 817.6 l. and 195 l. | 76 % more or 622.6 l. |
Engine oil volume | 45.4 l. and 11 l. | 76 % more or 34.4 l. |
Hydraulic system fluid volume | 71.9 l. and 60 l. | 17 % more or 11.9 l. |
Motor
Full power | 305.7 kW and 59.7 kW | 80 % more or 246.0 kW |
Displacement | 18 l. and 3.3 l. | 82 % more or 14.7 l. |
Cylinders number | 8 and 4 | 50 % more or 4 |
Gear box
Maximum forward speed | 11.9 km/h and 8.5 km/h | 29 % more or 3.4 km/h |
Maximum reverse gear | 14.6 km/h and 8.5 km/h | 42 % more or 6.1 km/h |
Carrier
Contact with ground area | 4.2 m2 and 1.8 m2 | 57 % more or 2.4 m2 |
Rolling bearings number on either side | 8 and 6 | 25 % more or 2 |
Neutral reasons:
Standard blade
Width | 2550 mm and 4650 mm |
Height | 840 mm and 1934 mm |
Sizes
Length with blade | 4175 mm and 7180 mm |
Width between caterpillar tracks | 1910 mm and 2930 mm |
Height to cab upper part | 2760 mm and 3820 mm |
Caterpillar track length on ground level | 2185 mm and 3470 mm |
Operation
Operating voltage | 24 V and 24 V |
Working weight | 8190 kg and 49567 kg |
Motor
Manufacturer | Komatsu and Caterpillar |
Model | SAA4D95LE-5 and 3408ETA |
Gear box
Transmission type | dual path hydrostatic transmission and powershift transmission |
Forward gears number | 3 and 3 |
Reverse gears number | 3 and 3 |
Carrier
Standard shoe size | 400 mm and 610 mm |
Track width | 1510 mm and 2250 mm |
Images
Sizes
1. Length with blade | 4175 mm | 1. Length with blade | 7180 mm |
2. Width between caterpillar tracks | 1910 mm | 2. Width between caterpillar tracks | 2930 mm |
3. Height to cab upper part | 2760 mm | 3. Height to cab upper part | 3820 mm |
4. Caterpillar track length on ground level | 2185 mm | 4. Caterpillar track length on ground level | 3470 mm |
5. Clearance | 315 mm | 5. Clearance | 591 mm |
Carrier
7. Track width | 1510 mm | 7. Track width | 2250 mm |
8. Standard shoe size | 400 mm | 8. Standard shoe size | 610 mm |