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- Caterpillar 311D LRR vs. Komatsu PC1250-7
Caterpillar 311D LRR vs. Komatsu PC1250-7
5 reasons to buy Caterpillar 311D LRR:
Swing device
Rotation speed | 11.4 rev / min and 5.5 rev / min | 52 % more or 5.9 rev |
Operation
Hydraulic system overflow valve pressure | 35000 kPa and 34323.2 kPa | 2 % more or 676.8 kPa |
Hydraulic pump flow rate | 117 l/min and 988 l/min | 88 % less or 871 l/min |
Carrier
Specific ground pressure | 34.2 kPa and 137.3 kPa | 75 % less or 103.1 kPa |
Maximum travel speed | 5.1 km/h and 3.2 km/h | 37 % more or 1.9 km/h |
22 reasons to buy Komatsu PC1250-7:
Sizes
Width to outside of caterpillar track | 4600 mm and 2590 mm | 44 % more or 2010 mm |
Clearance | 990 mm and 455 mm | 54 % more or 535 mm |
Counterweight ground clearance | 1790 mm and 910 mm | 49 % more or 880 mm |
Operation
Fuel Capacity | 1360 l. and 210 l. | 85 % more or 1150 l. |
Cooling system fluid volume | 140 l. and 18 l. | 87 % more or 122 l. |
Hydraulic system fluid volume | 670 l. and 145 l. | 78 % more or 525 l. |
Engine oil volume | 56 l. and 19 l. | 66 % more or 37 l. |
Boom reach drive mechanism fluid volume | 24 l. and 3 l. | 87 % more or 21 l. |
Motor
Full power | 485.5 kW and 64.1 kW | 87 % more or 421.4 kW |
Displacement | 23.2 l. and 4.3 l. | 81 % more or 18.9 l. |
Booms/sections features 3
Maximum excavation depth | 11590 mm and 5590 mm | 52 % more or 6000 mm |
Maximum radius along ground level | 17130 mm and 8100 mm | 53 % more or 9030 mm |
Maximum loading height | 9440 mm and 5770 mm | 39 % more or 3670 mm |
Maximum vertical wall digging depth | 9480 mm and 4980 mm | 47 % more or 4500 mm |
Booms/sections features 2
Maximum loading height | 9000 mm and 5640 mm | 37 % more or 3360 mm |
Maximum excavation depth | 10440 mm and 5390 mm | 48 % more or 5050 mm |
Maximum vertical wall digging depth | 8490 mm and 4770 mm | 44 % more or 3720 mm |
Maximum radius along ground level | 16000 mm and 7900 mm | 51 % more or 8100 mm |
Booms/sections features 1
Maximum radius along ground level | 15000 mm and 7700 mm | 49 % more or 7300 mm |
Maximum loading height | 8680 mm and 5450 mm | 37 % more or 3230 mm |
Maximum vertical wall digging depth | 7610 mm and 4460 mm | 41 % more or 3150 mm |
Maximum excavation depth | 9350 mm and 5040 mm | 46 % more or 4310 mm |
Neutral reasons:
Sizes
Rear platform swing radius | 1750 mm and 4870 mm |
Caterpillar track length on ground level | 2780 mm and 4995 mm |
Height to cab upper part | 2755 mm and 3925 mm |
Operation
Working weight | 12480 kg and 106700 kg |
Motor
Manufacturer | Caterpillar and Komatsu |
Model | C4.2 ACERT and SAA6D170E-3 |
Carrier
Shoe dimensions | 600 mm and 700 mm |
Track width | 1990 mm and 3900 mm |
Booms/sections features 3
Unit load-transfer height | 3160 mm and 6990 mm |
Unit load-transfer length | 6825 mm and 15840 mm |
Maximum cut height | 8130 mm and 13910 mm |
Booms/sections features 2
Maximum cut height | 7990 mm and 13490 mm |
Unit load-transfer length | 6880 mm and 16050 mm |
Unit load-transfer height | 3020 mm and 6460 mm |
Booms/sections features 1
Maximum cut height | 7800 mm and 13400 mm |
Unit load-transfer height | 2860 mm and 6040 mm |
Unit load-transfer length | 6915 mm and 16020 mm |
Images
Sizes
7. Height to cab upper part | 2755 mm | 7. Height to cab upper part | 3925 mm |
8. Rear platform swing radius | 1750 mm | 8. Rear platform swing radius | 4870 mm |
15. Counterweight ground clearance | 910 mm | 15. Counterweight ground clearance | 1790 mm |
2. Width to outside of caterpillar track | 2590 mm | 2. Width to outside of caterpillar track | 4600 mm |
4. Caterpillar track length on ground level | 2780 mm | 4. Caterpillar track length on ground level | 4995 mm |
5. Clearance | 455 mm | 5. Clearance | 990 mm |
Carrier
6. Track width | 1990 mm | 6. Track width | 3900 mm |
14. Shoe dimensions | 600 mm | 14. Shoe dimensions | 700 mm |
Booms/sections features 1
1. Unit load-transfer length | 6825 mm | 1. Unit load-transfer length | 15840 mm |
3. Unit load-transfer height | 3160 mm | 3. Unit load-transfer height | 6990 mm |
9. Maximum cut height | 8130 mm | 9. Maximum cut height | 13910 mm |
10. Maximum loading height | 5770 mm | 10. Maximum loading height | 9440 mm |
11. Maximum radius along ground level | 8100 mm | 11. Maximum radius along ground level | 17130 mm |
12. Maximum vertical wall digging depth | 4980 mm | 12. Maximum vertical wall digging depth | 9480 mm |
13. Maximum excavation depth | 5590 mm | 13. Maximum excavation depth | 11590 mm |