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- Caterpillar 321D LCR vs. Caterpillar 311C
Caterpillar 321D LCR vs. Caterpillar 311C
22 reasons to buy Caterpillar 321D LCR:
Swing device
Rotation speed | 11.5 rev / min and 10.6 rev / min | 8 % more or 0.9 rev |
Swing torque | 61800 Nm and 31270 Nm | 49 % more or 30530 Nm |
Sizes
Clearance | 450 mm and 445 mm | 1 % more or 5 mm |
Width to outside of caterpillar track | 2980 mm and 2490 mm | 16 % more or 490 mm |
Operation
Generator current strength | 50 amperes and 45 amperes | 10 % more or 5 amperes |
Hydraulic system overflow valve pressure | 35000 kPa and 29900 kPa | 15 % more or 5100 kPa |
Fuel Capacity | 330 l. and 195 l. | 41 % more or 135 l. |
Cooling system fluid volume | 25 l. and 17.5 l. | 30 % more or 7.5 l. |
Hydraulic system fluid volume | 208 l. and 160 l. | 23 % more or 48 l. |
Engine oil volume | 30 l. and 19.5 l. | 35 % more or 10.5 l. |
Boom reach drive mechanism fluid volume | 8 l. and 3 l. | 62 % more or 5 l. |
Motor
Effective power | 110 kW and 59 kW | 46 % more or 51 kW |
Displacement | 6.4 l. and 4.3 l. | 33 % more or 2.1 l. |
Carrier
Maximum travel speed | 5.7 km/h and 5.6 km/h | 2 % more or 0.1 km/h |
Booms/sections features 2
Maximum excavation depth | 6290 mm and 5590 mm | 11 % more or 700 mm |
Maximum radius along ground level | 9390 mm and 8100 mm | 14 % more or 1290 mm |
Maximum loading height | 7600 mm and 5770 mm | 24 % more or 1830 mm |
Maximum vertical wall digging depth | 5490 mm and 4940 mm | 10 % more or 550 mm |
Booms/sections features 1
Maximum excavation depth | 6710 mm and 5040 mm | 25 % more or 1670 mm |
Maximum loading height | 7890 mm and 5450 mm | 31 % more or 2440 mm |
Maximum radius along ground level | 9790 mm and 7570 mm | 23 % more or 2220 mm |
Maximum vertical wall digging depth | 5890 mm and 4425 mm | 25 % more or 1465 mm |
2 reasons to buy Caterpillar 311C:
Operation
Hydraulic pump flow rate | 108 l/min and 205 l/min | 47 % less or 97 l/min |
Carrier
Hook traction force | 92 kN and 206 kN | 55 % less or 114 kN |
Neutral reasons:
Sizes
Rear platform swing radius | 1676 mm and 1750 mm |
Caterpillar track length on ground level | 3650 mm and 2610 mm |
Height to cab upper part | 2980 mm and 2770 mm |
Operation
Operating voltage | 24 V and 24 V |
Working weight | 23530 kg and 11980 kg |
Motor
Manufacturer | Caterpillar and Caterpillar |
Model | C6.4 ACERT and 3064T |
Carrier
Shoe dimensions | 600 mm and 500 mm |
Booms/sections features 2
Unit load-transfer height | 3030 mm and 2770 mm |
Unit load-transfer length | 8880 mm and 6920 mm |
Maximum cut height | 10720 mm and 8125 mm |
Booms/sections features 1
Maximum cut height | 11010 mm and 7805 mm |
Unit load-transfer height | 3030 mm and 2770 mm |
Unit load-transfer length | 8880 mm and 6910 mm |
Images
Sizes
2. Width to outside of caterpillar track | 2980 mm | 2. Width to outside of caterpillar track | 2490 mm |
4. Caterpillar track length on ground level | 3650 mm | 4. Caterpillar track length on ground level | 2610 mm |
5. Clearance | 450 mm | 5. Clearance | 445 mm |
7. Height to cab upper part | 2980 mm | 7. Height to cab upper part | 2770 mm |
8. Rear platform swing radius | 1676 mm | 8. Rear platform swing radius | 1750 mm |
Carrier
14. Shoe dimensions | 600 mm | 14. Shoe dimensions | 500 mm |
Booms/sections features 1
10. Maximum loading height | 7600 mm | 10. Maximum loading height | 5770 mm |
11. Maximum radius along ground level | 9390 mm | 11. Maximum radius along ground level | 8100 mm |
12. Maximum vertical wall digging depth | 5490 mm | 12. Maximum vertical wall digging depth | 4940 mm |
13. Maximum excavation depth | 6290 mm | 13. Maximum excavation depth | 5590 mm |
1. Unit load-transfer length | 8880 mm | 1. Unit load-transfer length | 6920 mm |
3. Unit load-transfer height | 3030 mm | 3. Unit load-transfer height | 2770 mm |
9. Maximum cut height | 11010 mm | 9. Maximum cut height | 8125 mm |