vs.

      Caterpillar D8R LGP vs. Caterpillar D7R

      16 reasons to buy Caterpillar D8R LGP:

      Standard blade

      Cut depth 582 mm and 527 mm 9 % more or 55 mm
      Volume 8.5 m3 and 5.2 m3 39 % more or 3.3 m3

      Sizes

      Clearance 519 mm and 414 mm 20 % more or 105 mm

      Operation

      Final drive fluid volume 14 l. and 13 l. 7 % more or 1 l.
      Fuel Capacity 625 l. and 479 l. 23 % more or 146 l.
      Cooling system fluid volume 92 l. and 75 l. 18 % more or 17 l.
      Engine oil volume 32.5 l. and 27.3 l. 16 % more or 5.2 l.
      Hydraulic system fluid volume 72 l. and 54.1 l. 25 % more or 17.9 l.

      Motor

      Full power 244.6 kW and 184.2 kW 25 % more or 60.4 kW
      Effective power 227.4 kW and 171.5 kW 25 % more or 55.9 kW
      Displacement 14.6 l. and 10.5 l. 28 % more or 4.1 l.

      Hydraulic system

      Pump bandwidth 300 l/min and 177 l/min 41 % more or 123 l/min

      Carrier

      Specific ground pressure 52.4 kPa and 74.5 kPa 30 % less or 22.1 kPa
      Contact with ground area 6.3 m2 and 3.2 m2 49 % more or 3.1 m2
      Track shoes number per side 44 and 40 9 % more or 4
      Rolling bearings number on either side 8 and 7 12 % more or 1

      3 reasons to buy Caterpillar D7R:

      Operation

      Generator current strength 70 amperes and 50 amperes 29 % more or 20 amperes
      Power unit fluid volume 182 l. and 144 l. 21 % more or 38 l.

      Gear box

      Maximum forward speed 10.9 km/h and 10.8 km/h 1 % more or 0.1 km/h

      Neutral reasons:

      Standard blade

      Width 4400 mm and 3904 mm
      Height 1612 mm and 1363 mm

      Sizes

      Length without blade 4554 mm and 4736 mm
      Length with blade 6281 mm and 5817 mm
      Width between caterpillar tracks 3302 mm and 2869 mm
      Height to cab upper part 3492 mm and 3573 mm
      Caterpillar track length on ground level 3258 mm and 2878 mm

      Operation

      Operating voltage 24 V and 24 V
      Working weight 33729.1 kg and 24584.7 kg

      Motor

      Power measured at 2100 rev / min and 2100 rev / min
      Model 3406C and 3306T
      Aspiration Turbocharging with subsequent air cooling (by a cooling radiator) and turbocharging
      Cylinders number 6 and 6
      Manufacturer Caterpillar and Caterpillar

      Hydraulic system

      Overflow valve pressure 24131.6 kPa and 22794 kPa
      Type of pump piston pump and piston pump

      Gear box

      Forward gears number 3 and 3
      Reverse gears number 3 and 3
      Transmission type powershift and powershift
      Maximum reverse gear 13.8 km/h and 13.8 km/h

      Carrier

      Standard shoe size 965 mm and 560 mm
      Track width 2337 mm and 1981 mm

      Images

      Sizes

      5. Clearance 519 mm 5. Clearance 414 mm
      6. Length without blade 4554 mm 6. Length without blade 4736 mm
      1. Length with blade 6281 mm 1. Length with blade 5817 mm
      2. Width between caterpillar tracks 3302 mm 2. Width between caterpillar tracks 2869 mm
      3. Height to cab upper part 3492 mm 3. Height to cab upper part 3573 mm
      4. Caterpillar track length on ground level 3258 mm 4. Caterpillar track length on ground level 2878 mm

      Carrier

      7. Track width 2337 mm 7. Track width 1981 mm
      8. Standard shoe size 965 mm 8. Standard shoe size 560 mm