vs.

      Caterpillar 438D vs. Caterpillar 446

      5 reasons to buy Caterpillar 438D:

      Operation

      Fuel Capacity 128 l. and 125 l. 2 % more or 3 l.

      Load-transfer device

      Bucket breakout force 50.2 kN and 53.4 kN 6 % less or 3.2 kN

      Hydraulic system

      Pump bandwidth 163 l/min and 162 l/min 1 % more or 1 l/min

      Backdigger

      Bucket digging force in folded state 6672.3 kg and 6156.6 kg 8 % more or 515.7 kg
      Bucket digging force in unfolded state 6613.4 kg and 6133.9 kg 7 % more or 479.5 kg

      18 reasons to buy Caterpillar 446:

      Sizes

      Clearance 332 mm and 320 mm 4 % more or 12 mm

      Operation

      Turn radius 4205 mm and 5400 mm 22 % less or 1195 mm

      Motor

      Effective power 70.8 kW and 70.1 kW 1 % more or 0.7 kW
      Displacement 4.4 l. and 4 l. 9 % more or 0.4 l.
      Full power 76.8 kW and 73.1 kW 5 % more or 3.7 kW

      Load-transfer device

      Lifting capacity at full height 3710 kg and 3388 kg 9 % more or 322 kg
      Ground clearance at maximum unloading height 2699 mm and 2613 mm 3 % more or 86 mm
      Bucket volume 1.1 m3 and 1 m3 9 % more or 0.1 m3
      Radius at max unloading height 868 mm and 764 mm 12 % more or 104 mm
      Digging depth 162 mm and 77 mm 52 % more or 85 mm

      Gear box

      Maximum reverse gear 36.5 km/h and 31.8 km/h 13 % more or 4.7 km/h
      Maximum forward speed 33 km/h and 31.8 km/h 4 % more or 1.2 km/h

      Backdigger

      Digging depth in folded state 5219 mm and 4854 mm 7 % more or 365 mm
      Digging depth in unfolded state 6528 mm and 5894 mm 10 % more or 634 mm
      Loading height in folded state 4310 mm and 3712 mm 14 % more or 598 mm
      Loading height in unfolded state 4894 mm and 4274 mm 13 % more or 620 mm
      Radius at high-altitude loading in folded state 2027 mm and 1742 mm 14 % more or 285 mm
      Radius at high-altitude loading in unfolded state 3261 mm and 2747 mm 16 % more or 514 mm

      Neutral reasons:

      Sizes

      Transport height 3740 mm and 4193 mm
      Height to cab upper part 2900 mm and 2864 mm
      Transport length 5760 mm and 7954 mm
      Wheelbase 2100 mm and 2233 mm
      Transport width 2396 mm and 2432 mm

      Operation

      Working weight 4wd 7748 kg and 9088 kg
      Front tyres size 2wd / 4wd 12.5/80x18,10PR and 14.5/75-16.1 10PR / 12.5-20 10PR
      Rear tyres size 2wd/4wd 16.9x28,10PR and 21L-24 12PR / 21L-24 12PR

      Motor

      Power measured at 2200 rev / min and 2200 rev / min
      Cylinders number 4 and 4
      Manufacturer Caterpillar and Caterpillar
      Model 3054T and 3114

      Load-transfer device

      Shovel width 2396 mm and 2432 mm

      Hydraulic system

      Overflow valve pressure 22800 kPa and 19994.8 kPa
      Type of pump load sensing, pressure control, with locking in the middle position and Variable flow

      Gear box

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

      Backdigger

      Hinge joint radius in folded state 5637 mm and 6604 mm
      Hinge joint radius in unfolded state 6664 mm and 7868 mm

      Images

      Sizes

      3. Transport height 3740 mm 3. Transport height 4193 mm
      4. Wheelbase 2100 mm 4. Wheelbase 2233 mm
      5. Clearance 320 mm 5. Clearance 332 mm
      6. Height to cab upper part 2900 mm 6. Height to cab upper part 2864 mm
      1. Transport length 5760 mm 1. Transport length 7954 mm
      2. Transport width 2396 mm 2. Transport width 2432 mm

      Load-transfer device

      7. Ground clearance at maximum unloading height 2613 mm 7. Ground clearance at maximum unloading height 2699 mm
      8. Radius at max unloading height 764 mm 8. Radius at max unloading height 868 mm
      9. Digging depth 77 mm 9. Digging depth 162 mm

      Backdigger

      10. Loading height in folded state 3712 mm 10. Loading height in folded state 4310 mm
      11. Hinge joint radius in folded state 5637 mm 11. Hinge joint radius in folded state 6604 mm
      12. Digging depth in folded state 4854 mm 12. Digging depth in folded state 5219 mm
      13. Radius at high-altitude loading in folded state 1742 mm 13. Radius at high-altitude loading in folded state 2027 mm