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- Komatsu D40A-1 vs. Caterpillar D7R WH serie II
Komatsu D40A-1 vs. Caterpillar D7R WH serie II
3 reasons to buy Komatsu D40A-1:
Motor
| Power measured at | 2400 rev / min and 2100 rev / min | 12 % more or 300 rev |
Gear box
| Forward gears number | 4 and 3 | 25 % more or 1 |
Carrier
| Specific ground pressure | 49.4 kPa and 73.7 kPa | 33 % less or 24.3 kPa |
9 reasons to buy Caterpillar D7R WH serie II:
Sizes
| Clearance | 416 mm and 360 mm | 13 % more or 56 mm |
Operation
| Fuel Capacity | 479 l. and 210 l. | 56 % more or 269 l. |
Motor
| Full power | 192 kW and 59.7 kW | 69 % more or 132.3 kW |
| Displacement | 10.3 l. and 4 l. | 61 % more or 6.3 l. |
| Cylinders number | 6 and 4 | 33 % more or 2 |
Gear box
| Maximum forward speed | 10.6 km/h and 9.5 km/h | 10 % more or 1.1 km/h |
| Maximum reverse gear | 13.5 km/h and 7.7 km/h | 43 % more or 5.8 km/h |
Carrier
| Track shoes number per side | 43 and 37 | 14 % more or 6 |
| Rolling bearings number on either side | 7 and 5 | 29 % more or 2 |
Neutral reasons:
Standard blade
| Width | 3150 mm and 3690 mm |
Sizes
| Length without blade | 3290 mm and 4.7 mm |
| Length with blade | 4250 mm and 4670 mm |
| Width between caterpillar tracks | 1940 mm and 2590 mm |
| Height to cab upper part | 2620 mm and 3430 mm |
| Caterpillar track length on ground level | 2060 mm and 2880 mm |
Operation
| Working weight | 9320 kg and 27920 kg |
Motor
| Manufacturer | Komatsu and Caterpillar |
| Model | S4D105 and 3176C |
Gear box
| Reverse gears number | 3 and 3 |
Carrier
| Track width | 1540 mm and 1980 mm |
| Standard shoe size | 400 mm and 560 mm |
Images
Sizes
| 1. Length with blade | 4250 mm | 1. Length with blade | 4670 mm |
| 2. Width between caterpillar tracks | 1940 mm | 2. Width between caterpillar tracks | 2590 mm |
| 3. Height to cab upper part | 2620 mm | 3. Height to cab upper part | 3430 mm |
| 4. Caterpillar track length on ground level | 2060 mm | 4. Caterpillar track length on ground level | 2880 mm |
| 5. Clearance | 360 mm | 5. Clearance | 416 mm |
| 6. Length without blade | 3290 mm | 6. Length without blade | 4.7 mm |
Carrier
| 7. Track width | 1540 mm | 7. Track width | 1980 mm |
| 8. Standard shoe size | 400 mm | 8. Standard shoe size | 560 mm |