vs.

      Caterpillar 311B vs. Caterpillar 225SA

      8 reasons to buy Caterpillar 311B:

      Operation

      Hydraulic system overflow valve pressure 34335.9 kPa and 31026.4 kPa 10 % more or 3309.5 kPa
      Fuel Capacity 250 l. and 246 l. 2 % more or 4 l.
      Hydraulic pump flow rate 216 l/min and 458 l/min 53 % less or 242 l/min
      Engine oil volume 13 l. and 12.3 l. 5 % more or 0.7 l.
      Generator current strength 50 amperes and 35 amperes 30 % more or 15 amperes

      Carrier

      Specific ground pressure 38 kPa and 49 kPa 22 % less or 11 kPa
      Maximum travel speed 5.5 km/h and 2.9 km/h 47 % more or 2.6 km/h
      Hook traction force 92.2 kN and 234.8 kN 61 % less or 142.6 kN

      19 reasons to buy Caterpillar 225SA:

      Swing device

      Swing torque 74240 Nm and 30400.2 Nm 59 % more or 43839.8 Nm

      Sizes

      Clearance 577 mm and 440 mm 24 % more or 137 mm
      Counterweight ground clearance 1245 mm and 920 mm 26 % more or 325 mm
      Width to outside of caterpillar track 3454 mm and 2490 mm 28 % more or 964 mm

      Operation

      Cooling system fluid volume 37.9 l. and 15.5 l. 59 % more or 22.4 l.
      Hydraulic system fluid volume 575 l. and 157 l. 73 % more or 418 l.
      Boom reach drive mechanism fluid volume 28.4 l. and 2.8 l. 90 % more or 25.6 l.

      Motor

      Effective power 134.2 kW and 58.9 kW 56 % more or 75.3 kW
      Power measured at 2200 rev / min and 1800 rev / min 18 % more or 400 rev
      Displacement 10.4 l. and 4.2 l. 60 % more or 6.2 l.
      Cylinders number 8 and 4 50 % more or 4

      Booms/sections features 2

      Maximum loading height 6910 mm and 5440 mm 21 % more or 1470 mm
      Maximum vertical wall digging depth 4840 mm and 4445 mm 8 % more or 395 mm
      Maximum excavation depth 7920 mm and 5050 mm 36 % more or 2870 mm
      Maximum radius along ground level 11300 mm and 7570 mm 33 % more or 3730 mm

      Booms/sections features 1

      Maximum loading height 6690 mm and 5300 mm 21 % more or 1390 mm
      Maximum vertical wall digging depth 4570 mm and 4150 mm 9 % more or 420 mm
      Maximum excavation depth 7310 mm and 4740 mm 35 % more or 2570 mm
      Maximum radius along ground level 10730 mm and 7290 mm 32 % more or 3440 mm

      Neutral reasons:

      Sizes

      Height to cab upper part 2760 mm and 3378 mm
      Rear platform swing radius 2130 mm and 2921 mm

      Operation

      Operating voltage 24 V and 24 V
      Working weight 11125 kg and 31255 kg

      Motor

      Manufacturer Caterpillar and Caterpillar
      Model 3064T and 3208
      Aspiration turbocharging and turbocharging

      Carrier

      Shoe dimensions 500 mm and 812.8 mm
      Track width 1990 mm and 2642 mm

      Booms/sections features 2

      Unit load-transfer height 2760 mm and 3734 mm
      Unit load-transfer length 7250 mm and 10973 mm
      Maximum cut height 7795 mm and 9600 mm

      Booms/sections features 1

      Maximum cut height 7660 mm and 9400 mm

      Images

      Sizes

      5. Clearance 440 mm 5. Clearance 577 mm
      7. Height to cab upper part 2760 mm 7. Height to cab upper part 3378 mm
      8. Rear platform swing radius 2130 mm 8. Rear platform swing radius 2921 mm
      15. Counterweight ground clearance 920 mm 15. Counterweight ground clearance 1245 mm
      2. Width to outside of caterpillar track 2490 mm 2. Width to outside of caterpillar track 3454 mm

      Carrier

      6. Track width 1990 mm 6. Track width 2642 mm
      14. Shoe dimensions 500 mm 14. Shoe dimensions 812.8 mm

      Booms/sections features 1

      10. Maximum loading height 5300 mm 10. Maximum loading height 6910 mm
      11. Maximum radius along ground level 7290 mm 11. Maximum radius along ground level 11300 mm
      1. Unit load-transfer length 7250 mm 1. Unit load-transfer length 10973 mm
      12. Maximum vertical wall digging depth 4150 mm 12. Maximum vertical wall digging depth 4840 mm
      3. Unit load-transfer height 2760 mm 3. Unit load-transfer height 3734 mm
      13. Maximum excavation depth 4740 mm 13. Maximum excavation depth 7920 mm
      9. Maximum cut height 7795 mm 9. Maximum cut height 9600 mm