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- Caterpillar D8R LGP vs. Caterpillar D7R serie II
Caterpillar D8R LGP vs. Caterpillar D7R serie II
17 reasons to buy Caterpillar D8R LGP:
Standard blade
Cut depth | 582 mm and 527 mm | 9 % more or 55 mm |
Volume | 8.5 m3 and 6.9 m3 | 19 % more or 1.6 m3 |
Sizes
Clearance | 519 mm and 416 mm | 20 % more or 103 mm |
Operation
Final drive fluid volume | 14 l. and 13 l. | 7 % more or 1 l. |
Fuel Capacity | 625 l. and 479 l. | 23 % more or 146 l. |
Cooling system fluid volume | 92 l. and 77.4 l. | 16 % more or 14.6 l. |
Engine oil volume | 32.5 l. and 31 l. | 5 % more or 1.5 l. |
Motor
Full power | 244.6 kW and 192 kW | 22 % more or 52.6 kW |
Effective power | 227.4 kW and 179 kW | 21 % more or 48.4 kW |
Displacement | 14.6 l. and 10.3 l. | 29 % more or 4.3 l. |
Hydraulic system
Pump bandwidth | 300 l/min and 180 l/min | 40 % more or 120 l/min |
Gear box
Maximum forward speed | 10.8 km/h and 10.5 km/h | 3 % more or 0.3 km/h |
Maximum reverse gear | 13.8 km/h and 13.6 km/h | 1 % more or 0.2 km/h |
Carrier
Specific ground pressure | 52.4 kPa and 75 kPa | 30 % less or 22.6 kPa |
Contact with ground area | 6.3 m2 and 3.2 m2 | 49 % more or 3.1 m2 |
Track shoes number per side | 44 and 40 | 9 % more or 4 |
Rolling bearings number on either side | 8 and 7 | 12 % more or 1 |
2 reasons to buy Caterpillar D7R serie II:
Operation
Power unit fluid volume | 178 l. and 144 l. | 19 % more or 34 l. |
Generator current strength | 95 amperes and 50 amperes | 47 % more or 45 amperes |
Neutral reasons:
Standard blade
Width | 4400 mm and 3693 mm |
Height | 1612 mm and 1524 mm |
Sizes
Length without blade | 4554 mm and 4736 mm |
Length with blade | 6281 mm and 5690 mm |
Width between caterpillar tracks | 3302 mm and 2540 mm |
Height to cab upper part | 3492 mm and 3372 mm |
Caterpillar track length on ground level | 3258 mm and 2878 mm |
Operation
Operating voltage | 24 V and 24 V |
Working weight | 33729.1 kg and 25304 kg |
Motor
Manufacturer | Caterpillar and Caterpillar |
Model | 3406C and 3176C |
Power measured at | 2100 rev / min and 2100 rev / min |
Cylinders number | 6 and 6 |
Hydraulic system
Overflow valve pressure | 24131.6 kPa and 22800 kPa |
Gear box
Forward gears number | 3 and 3 |
Reverse gears number | 3 and 3 |
Transmission type | powershift and Hydro-Static Transmission |
Carrier
Standard shoe size | 965 mm and 560 mm |
Caterpillar track pitch | 216 mm and 216 mm |
Track width | 2337 mm and 1980 mm |
Images
Sizes
1. Length with blade | 6281 mm | 1. Length with blade | 5690 mm |
2. Width between caterpillar tracks | 3302 mm | 2. Width between caterpillar tracks | 2540 mm |
3. Height to cab upper part | 3492 mm | 3. Height to cab upper part | 3372 mm |
4. Caterpillar track length on ground level | 3258 mm | 4. Caterpillar track length on ground level | 2878 mm |
5. Clearance | 519 mm | 5. Clearance | 416 mm |
6. Length without blade | 4554 mm | 6. Length without blade | 4736 mm |
Carrier
7. Track width | 2337 mm | 7. Track width | 1980 mm |
8. Standard shoe size | 965 mm | 8. Standard shoe size | 560 mm |