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- Caterpillar 312D vs. Jonyang JY640
Caterpillar 312D vs. Jonyang JY640
4 reasons to buy Caterpillar 312D:
Swing device
Rotation speed | 12.4 rev / min and 9 rev / min | 27 % more or 3.4 rev |
Operation
Hydraulic system overflow valve pressure | 35000 kPa and 34300 kPa | 2 % more or 700 kPa |
Hydraulic pump flow rate | 127 l/min and 720 l/min | 82 % less or 593 l/min |
Carrier
Specific ground pressure | 41.9 kPa and 77 kPa | 46 % less or 35.1 kPa |
8 reasons to buy Jonyang JY640:
Sizes
Width to outside of caterpillar track | 3350 mm and 2490 mm | 26 % more or 860 mm |
Clearance | 496 mm and 430 mm | 13 % more or 66 mm |
Counterweight ground clearance | 1296 mm and 915 mm | 29 % more or 381 mm |
Motor
Effective power | 235 kW and 67.1 kW | 71 % more or 167.9 kW |
Carrier
Maximum travel speed | 6.4 km/h and 5.5 km/h | 14 % more or 0.9 km/h |
Booms/sections features 1
Maximum radius along ground level | 12090 mm and 8170 mm | 32 % more or 3920 mm |
Maximum loading height | 8729 mm and 6100 mm | 30 % more or 2629 mm |
Maximum excavation depth | 7745 mm and 5540 mm | 28 % more or 2205 mm |
Neutral reasons:
Sizes
Rear platform swing radius | 2140 mm and 3666 mm |
Caterpillar track length on ground level | 2780 mm and 4236 mm |
Height to cab upper part | 2760 mm and 3068 mm |
Operation
Working weight | 28483.7 pound and 80000 pound |
Motor
Manufacturer | Caterpillar and Cummins |
Model | C4.2 ACERT and M11-C315 |
Carrier
Shoe dimensions | 500 mm and 600 mm |
Track width | 1990 mm and 2750 mm |
Booms/sections features 1
Maximum cut height | 8480 mm and 12196 mm |
Unit load-transfer height | 2830 mm and 3609 mm |
Unit load-transfer length | 7610 mm and 12031 mm |
Images
Sizes
2. Width to outside of caterpillar track | 2490 mm | 2. Width to outside of caterpillar track | 3350 mm |
4. Caterpillar track length on ground level | 2780 mm | 4. Caterpillar track length on ground level | 4236 mm |
5. Clearance | 430 mm | 5. Clearance | 496 mm |
7. Height to cab upper part | 2760 mm | 7. Height to cab upper part | 3068 mm |
8. Rear platform swing radius | 2140 mm | 8. Rear platform swing radius | 3666 mm |
15. Counterweight ground clearance | 915 mm | 15. Counterweight ground clearance | 1296 mm |
Carrier
6. Track width | 1990 mm | 6. Track width | 2750 mm |
14. Shoe dimensions | 500 mm | 14. Shoe dimensions | 600 mm |
Booms/sections features 1
1. Unit load-transfer length | 7610 mm | 1. Unit load-transfer length | 12031 mm |
3. Unit load-transfer height | 2830 mm | 3. Unit load-transfer height | 3609 mm |
9. Maximum cut height | 8700 mm | 9. Maximum cut height | 12196 mm |
10. Maximum loading height | 6340 mm | 10. Maximum loading height | 8729 mm |
11. Maximum radius along ground level | 8620 mm | 11. Maximum radius along ground level | 12090 mm |
13. Maximum excavation depth | 6040 mm | 13. Maximum excavation depth | 7745 mm |