vs.

      Caterpillar 438D vs. Caterpillar 420D

      11 reasons to buy Caterpillar 438D:

      Sizes

      Clearance 320 mm and 297 mm 7 % more or 23 mm

      Motor

      Full power 73.1 kW and 65.6 kW 10 % more or 7.5 kW
      Effective power 70.1 kW and 63.4 kW 10 % more or 6.7 kW

      Load-transfer device

      Lifting capacity at full height 3388 kg and 2896 kg 15 % more or 492 kg
      Ground clearance at maximum unloading height 2613 mm and 2544 mm 3 % more or 69 mm

      Backdigger

      Digging depth in folded state 4854 mm and 4390 mm 10 % more or 464 mm
      Digging depth in unfolded state 5894 mm and 5510 mm 7 % more or 384 mm
      Loading height in folded state 3712 mm and 3613 mm 3 % more or 99 mm
      Loading height in unfolded state 4274 mm and 4175 mm 2 % more or 99 mm
      Radius at high-altitude loading in folded state 1742 mm and 862 mm 51 % more or 880 mm
      Radius at high-altitude loading in unfolded state 2747 mm and 751 mm 73 % more or 1996 mm

      8 reasons to buy Caterpillar 420D:

      Operation

      Turn radius 5350 mm and 5400 mm 1 % less or 50 mm

      Load-transfer device

      Radius at max unloading height 835 mm and 764 mm 9 % more or 71 mm
      Digging depth 135 mm and 77 mm 43 % more or 58 mm
      Bucket breakout force 45.1 kN and 50.2 kN 10 % less or 5.1 kN

      Gear box

      Maximum reverse gear 32.8 km/h and 31.8 km/h 3 % more or 1.0 km/h
      Maximum forward speed 32.8 km/h and 31.8 km/h 3 % more or 1.0 km/h

      Backdigger

      Bucket digging force in folded state 6673.3 kg and 6672.3 kg 0 % more or 1.0 kg
      Bucket digging force in unfolded state 6616.1 kg and 6613.4 kg 0 % more or 2.7 kg

      Neutral reasons:

      Sizes

      Transport length 5760 mm and 6974 mm
      Transport width 2396 mm and 2352 mm
      Transport height 3740 mm and 3585 mm
      Height to cab upper part 2900 mm and 2770 mm
      Wheelbase 2100 mm and 2100 mm

      Operation

      Working weight 4wd 7748 kg and 7150 kg
      Fuel Capacity 128 l. and 128 l.
      Front tyres size 2wd / 4wd 12.5/80x18,10PR and 11Lx16,12PR/12.5 / 80x18,10PR
      Rear tyres size 2wd/4wd 16.9x28,10PR and 19.5x24,10PR / 19.5L24,10PR

      Motor

      Manufacturer Caterpillar and Caterpillar
      Model 3054T and 3054T
      Displacement 4 l. and 4 l.
      Power measured at 2200 rev / min and 2200 rev / min
      Cylinders number 4 and 4

      Load-transfer device

      Shovel width 2396 mm and 2262 mm

      Hydraulic system

      Type of pump load sensing, pressure control, with locking in the middle position and load sensing, pressure control, with locking in the middle position
      Pump bandwidth 163 l/min and 163 l/min
      Overflow valve pressure 22800 kPa and 22754 kPa

      Gear box

      Reverse gears number 4 and 4
      Transmission type servodrive and servodrive
      Forward gears number 4 and 4

      Backdigger

      Hinge joint radius in folded state 5637 mm and 5650 mm
      Hinge joint radius in unfolded state 6664 mm and 6675 mm

      Images

      Sizes

      1. Transport length 5760 mm 1. Transport length 6974 mm
      2. Transport width 2396 mm 2. Transport width 2352 mm
      3. Transport height 3740 mm 3. Transport height 3585 mm
      4. Wheelbase 2100 mm 4. Wheelbase 2100 mm
      5. Clearance 320 mm 5. Clearance 297 mm
      6. Height to cab upper part 2900 mm 6. Height to cab upper part 2770 mm

      Load-transfer device

      7. Ground clearance at maximum unloading height 2613 mm 7. Ground clearance at maximum unloading height 2544 mm
      8. Radius at max unloading height 764 mm 8. Radius at max unloading height 835 mm
      9. Digging depth 77 mm 9. Digging depth 135 mm

      Backdigger

      10. Loading height in folded state 3712 mm 10. Loading height in folded state 3613 mm
      11. Hinge joint radius in folded state 5637 mm 11. Hinge joint radius in folded state 5650 mm
      12. Digging depth in folded state 4854 mm 12. Digging depth in folded state 4390 mm
      13. Radius at high-altitude loading in folded state 1742 mm 13. Radius at high-altitude loading in folded state 862 mm