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- Caterpillar D7R vs. Caterpillar D6R
Caterpillar D7R vs. Caterpillar D6R
12 reasons to buy Caterpillar D7R:
Standard blade
Volume | 5.2 m3 and 3.9 m3 | 25 % more or 1.3 m3 |
Cut depth | 527 mm and 473 mm | 10 % more or 54 mm |
Sizes
Clearance | 414 mm and 383 mm | 7 % more or 31 mm |
Operation
Fuel Capacity | 479 l. and 383 l. | 20 % more or 96 l. |
Cooling system fluid volume | 75 l. and 74 l. | 1 % more or 1 l. |
Power unit fluid volume | 182 l. and 155 l. | 15 % more or 27 l. |
Motor
Full power | 184.2 kW and 133.5 kW | 28 % more or 50.7 kW |
Effective power | 171.5 kW and 123 kW | 28 % more or 48.5 kW |
Power measured at | 2100 rev / min and 1900 rev / min | 10 % more or 200 rev |
Carrier
Track shoes number per side | 40 and 39 | 2 % more or 1 |
Rolling bearings number on either side | 7 and 6 | 14 % more or 1 |
Contact with ground area | 3.2 m2 and 2.9 m2 | 9 % more or 0.3 m2 |
7 reasons to buy Caterpillar D6R:
Operation
Engine oil volume | 27.5 l. and 27.3 l. | 1 % more or 0.2 l. |
Hydraulic system fluid volume | 76 l. and 54.1 l. | 29 % more or 21.9 l. |
Final drive fluid volume | 13.5 l. and 13 l. | 4 % more or 0.5 l. |
Hydraulic system
Pump bandwidth | 190 l/min and 177 l/min | 7 % more or 13 l/min |
Gear box
Maximum forward speed | 11.9 km/h and 10.9 km/h | 8 % more or 1.0 km/h |
Maximum reverse gear | 15.3 km/h and 13.8 km/h | 10 % more or 1.5 km/h |
Carrier
Specific ground pressure | 61.6 kPa and 74.5 kPa | 17 % less or 12.9 kPa |
Neutral reasons:
Standard blade
Width | 3904 mm and 3360 mm |
Height | 1363 mm and 1257 mm |
Sizes
Length without blade | 4736 mm and 3860 mm |
Length with blade | 5817 mm and 4903 mm |
Width between caterpillar tracks | 2869 mm and 2440 mm |
Height to cab upper part | 3573 mm and 3195 mm |
Caterpillar track length on ground level | 2878 mm and 2610 mm |
Operation
Operating voltage | 24 V and 24 V |
Generator current strength | 70 amperes and 70 amperes |
Working weight | 24584.7 kg and 18143.7 kg |
Motor
Manufacturer | Caterpillar and Caterpillar |
Model | 3306T and 3306 |
Displacement | 10.5 l. and 10.5 l. |
Cylinders number | 6 and 6 |
Aspiration | turbocharging and turbocharging |
Hydraulic system
Type of pump | piston pump and piston pump |
Overflow valve pressure | 22794 kPa and 19305.3 kPa |
Gear box
Transmission type | powershift and powershift |
Forward gears number | 3 and 3 |
Reverse gears number | 3 and 3 |
Carrier
Track width | 1981 mm and 1880 mm |
Standard shoe size | 560 mm and 560 mm |
Images
Sizes
1. Length with blade | 5817 mm | 1. Length with blade | 4903 mm |
2. Width between caterpillar tracks | 2869 mm | 2. Width between caterpillar tracks | 2440 mm |
3. Height to cab upper part | 3573 mm | 3. Height to cab upper part | 3195 mm |
4. Caterpillar track length on ground level | 2878 mm | 4. Caterpillar track length on ground level | 2610 mm |
5. Clearance | 414 mm | 5. Clearance | 383 mm |
6. Length without blade | 4736 mm | 6. Length without blade | 3860 mm |
Carrier
7. Track width | 1981 mm | 7. Track width | 1880 mm |
8. Standard shoe size | 560 mm | 8. Standard shoe size | 560 mm |