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- Komatsu D31P-17 vs. Caterpillar D7R serie II
Komatsu D31P-17 vs. Caterpillar D7R serie II
3 reasons to buy Komatsu D31P-17:
Motor
Power measured at | 2350 rev / min and 2100 rev / min | 11 % more or 250 rev |
Carrier
Specific ground pressure | 21.5 kPa and 75 kPa | 71 % less or 53.5 kPa |
Track shoes number per side | 41 and 40 | 2 % more or 1 |
11 reasons to buy Caterpillar D7R serie II:
Standard blade
Volume | 6.9 m3 and 1.5 m3 | 78 % more or 5.4 m3 |
Cut depth | 527 mm and 335 mm | 36 % more or 192 mm |
Sizes
Clearance | 416 mm and 380 mm | 9 % more or 36 mm |
Operation
Fuel Capacity | 479 l. and 115 l. | 76 % more or 364 l. |
Cooling system fluid volume | 77.4 l. and 22 l. | 72 % more or 55.4 l. |
Motor
Full power | 192 kW and 50.7 kW | 74 % more or 141.3 kW |
Displacement | 10.3 l. and 4.3 l. | 58 % more or 6.0 l. |
Cylinders number | 6 and 4 | 33 % more or 2 |
Gear box
Maximum forward speed | 10.5 km/h and 6.5 km/h | 38 % more or 4.0 km/h |
Maximum reverse gear | 13.6 km/h and 7.1 km/h | 48 % more or 6.5 km/h |
Carrier
Rolling bearings number on either side | 7 and 6 | 14 % more or 1 |
Neutral reasons:
Standard blade
Width | 2435 mm and 3693 mm |
Height | 790 mm and 1524 mm |
Sizes
Length without blade | 3020 mm and 4736 mm |
Height to cab upper part | 2705 mm and 3372 mm |
Length with blade | 3845 mm and 5690 mm |
Caterpillar track length on ground level | 2185 mm and 2878 mm |
Width between caterpillar tracks | 2050 mm and 2540 mm |
Operation
Working weight | 6700 kg and 25304 kg |
Motor
Model | 4D105-5 and 3176C |
Manufacturer | Komatsu and Caterpillar |
Gear box
Reverse gears number | 3 and 3 |
Transmission type | HS and Hydro-Static Transmission |
Forward gears number | 3 and 3 |
Carrier
Standard shoe size | 600 mm and 560 mm |
Caterpillar track pitch | 154 mm and 216 mm |
Track width | 1450 mm and 1980 mm |
Images
Sizes
3. Height to cab upper part | 2705 mm | 3. Height to cab upper part | 3372 mm |
4. Caterpillar track length on ground level | 2185 mm | 4. Caterpillar track length on ground level | 2878 mm |
5. Clearance | 380 mm | 5. Clearance | 416 mm |
6. Length without blade | 3020 mm | 6. Length without blade | 4736 mm |
1. Length with blade | 3845 mm | 1. Length with blade | 5690 mm |
2. Width between caterpillar tracks | 2050 mm | 2. Width between caterpillar tracks | 2540 mm |
Carrier
7. Track width | 1450 mm | 7. Track width | 1980 mm |
8. Standard shoe size | 600 mm | 8. Standard shoe size | 560 mm |