vs.

      Caterpillar 621G vs. Caterpillar 657G

      17 reasons to buy Caterpillar 657G:

      Tractor engine

      Effective power 447 kW and 272 kW 39 % more or 175 kW
      Displacement 18.1 l. and 14.6 l. 19 % more or 3.5 l.
      Full power 471 kW and 293 kW 38 % more or 178 kW

      Sizes

      Tractor clearance 645 mm and 553 mm 14 % more or 92 mm

      Operation

      Fuel Capacity 1597 l. and 606 l. 62 % more or 991 l.
      Cooling system fluid volume 213 l. and 107 l. 50 % more or 106 l.
      Engine oil volume 102 l. and 36 l. 65 % more or 66 l.
      Transmission fluid volume 257 l. and 72 l. 72 % more or 185 l.
      Differential fluid volume 301 l. and 144 l. 52 % more or 157 l.
      Hydraulic system fluid volume 303 l. and 140 l. 54 % more or 163 l.
      Cooling fluid volume per wheel 260 l. and 45 l. 83 % more or 215 l.

      Gear box

      Maximum reverse gear 9.7 km/h and 9.2 km/h 5 % more or 0.5 km/h
      Maximum forward speed 55.7 km/h and 51.5 km/h 8 % more or 4.2 km/h

      Cup

      Cut width 3846 mm and 3023 mm 21 % more or 823 mm
      Volume with top 33.6 m3 and 17 m3 49 % more or 16.6 m3
      Brimmed volume 24.5 m3 and 12 m3 51 % more or 12.5 m3
      Maximum cutting depth 425 mm and 333 mm 22 % more or 92 mm

      Neutral reasons:

      Weight

      Total operating unloaded 33470 kg and 67774 kg
      Front axle unloaded 22760 kg and 40665 kg
      Rear axle unloaded 10710 kg and 27110 kg
      Total operating loaded 57420 kg and 114949 kg
      Loaded front axle 30433 kg and 58624 kg
      Loaded rear axle 26987 kg and 56325 kg

      Tractor engine

      Manufacturer Caterpillar and Caterpillar
      Model C15 ACERT and C18 ACERT

      Sizes

      Wheelbase 7722 mm and 9956 mm
      Dimensional length 12917 mm and 16164 mm
      Overall width 3467 mm and 4344 mm
      Height to cab upper part 3423 mm and 3712 mm
      Headroom 3705 mm and 4710 mm

      Operation

      Tyre size 33.25-R29 and 40.5/75 R39
      Operating voltage 24 V and 24 V
      Generator current strength 75 amperes and 75 amperes

      Gear box

      Transmission type 8-speed automatic power transmission with electronic control and 8-speed automatic power transmission with electronic control
      Forward gears number 8 and 8
      Reverse gears number 1 and 1

      Cup

      Nominal payload 23950 kg and 47200 kg

      Images

      Sizes

      1. Dimensional length 12917 mm 1. Dimensional length 16164 mm
      2. Overall width 3467 mm 2. Overall width 4344 mm
      3. Headroom 3705 mm 3. Headroom 4710 mm
      4. Wheelbase 7722 mm 4. Wheelbase 9956 mm
      5. Tractor clearance 553 mm 5. Tractor clearance 645 mm
      6. Height to cab upper part 3423 mm 6. Height to cab upper part 3712 mm