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- Caterpillar 303C CR vs. Hitachi EX12-2
Caterpillar 303C CR vs. Hitachi EX12-2
17 reasons to buy Caterpillar 303C CR:
Swing device
Rotation speed | 9 rev / min and 8.5 rev / min | 6 % more or 0.5 rev |
Sizes
Width to outside of caterpillar track | 1550 mm and 960 mm | 38 % more or 590 mm |
Clearance | 315 mm and 235 mm | 25 % more or 80 mm |
Counterweight ground clearance | 565 mm and 445 mm | 21 % more or 120 mm |
Operation
Fuel Capacity | 45 l. and 20 l. | 56 % more or 25 l. |
Cooling system fluid volume | 6 l. and 3.5 l. | 42 % more or 2.5 l. |
Hydraulic system fluid volume | 65 l. and 30 l. | 54 % more or 35 l. |
Engine oil volume | 6 l. and 4.5 l. | 25 % more or 1.5 l. |
Generator current strength | 50 amperes and 36 amperes | 28 % more or 14 amperes |
Motor
Effective power | 22.4 kW and 12.2 kW | 46 % more or 10.2 kW |
Power measured at | 2300 rev / min and 2000 rev / min | 13 % more or 300 rev |
Displacement | 1.9 l. and 1.1 l. | 42 % more or 0.8 l. |
Carrier
Maximum travel speed | 2.8 km/h and 2.2 km/h | 21 % more or 0.6 km/h |
Booms/sections features 1
Maximum loading height | 3490 mm and 2190 mm | 37 % more or 1300 mm |
Maximum vertical wall digging depth | 2400 mm and 1360 mm | 43 % more or 1040 mm |
Maximum excavation depth | 2910 mm and 1900 mm | 35 % more or 1010 mm |
Maximum radius along ground level | 5100 mm and 3430 mm | 33 % more or 1670 mm |
2 reasons to buy Hitachi EX12-2:
Operation
Hydraulic system overflow valve pressure | 21084.3 kPa and 245 kPa | 99 % more or 20839.3 kPa |
Hydraulic pump flow rate | 30.4 l/min and 87.6 l/min | 65 % less or 57.2 l/min |
Neutral reasons:
Sizes
Height to cab upper part | 2500 mm and 2280 mm |
Rear platform swing radius | 777.2 mm and 1060 mm |
Caterpillar track length on ground level | 2220 mm and 1025 mm |
Operation
Operating voltage | 12 V and 12 V |
Working weight | 3555 kg and 1350 kg |
Motor
Model | S3Q2 and D1105-KA |
Cylinders number | 3 and 3 |
Manufacturer | Mitsubishi and Kubota |
Carrier
Shoe dimensions | 300 mm and 230 mm |
Booms/sections features 1
Unit load-transfer height | 2500 mm and 2280 mm |
Unit load-transfer length | 5100 mm and 3520 mm |
Maximum cut height | 4950 mm and 3120 mm |
Images
Sizes
15. Counterweight ground clearance | 565 mm | 15. Counterweight ground clearance | 445 mm |
2. Width to outside of caterpillar track | 1550 mm | 2. Width to outside of caterpillar track | 960 mm |
4. Caterpillar track length on ground level | 2220 mm | 4. Caterpillar track length on ground level | 1025 mm |
5. Clearance | 315 mm | 5. Clearance | 235 mm |
7. Height to cab upper part | 2500 mm | 7. Height to cab upper part | 2280 mm |
8. Rear platform swing radius | 777.2 mm | 8. Rear platform swing radius | 1060 mm |
Carrier
14. Shoe dimensions | 300 mm | 14. Shoe dimensions | 230 mm |
Booms/sections features 1
1. Unit load-transfer length | 4770 mm | 1. Unit load-transfer length | 3520 mm |
3. Unit load-transfer height | 2500 mm | 3. Unit load-transfer height | 2280 mm |
9. Maximum cut height | 5060 mm | 9. Maximum cut height | 3120 mm |
10. Maximum loading height | 3610 mm | 10. Maximum loading height | 2190 mm |
11. Maximum radius along ground level | 5350 mm | 11. Maximum radius along ground level | 3430 mm |
12. Maximum vertical wall digging depth | 2550 mm | 12. Maximum vertical wall digging depth | 1360 mm |
13. Maximum excavation depth | 2910 mm | 13. Maximum excavation depth | 1900 mm |