vs.

      Caterpillar 637G vs. Caterpillar 657G

      3 reasons to buy Caterpillar 637G:

      Sizes

      Tractor clearance 665 mm and 645 mm 3 % more or 20 mm

      Gear box

      Maximum reverse gear 9.9 km/h and 9.7 km/h 2 % more or 0.2 km/h

      Cup

      Maximum cutting depth 437 mm and 425 mm 3 % more or 12 mm

      17 reasons to buy Caterpillar 657G:

      Tractor engine

      Full power 471 kW and 384 kW 18 % more or 87 kW
      Effective power 447 kW and 365 kW 18 % more or 82 kW
      Displacement 18.1 l. and 18 l. 1 % more or 0.1 l.

      Road scraper engine

      Full power 356 kW and 201 kW 44 % more or 155 kW
      Effective power 337 kW and 186 kW 45 % more or 151 kW
      Displacement 15.2 l. and 8.8 l. 42 % more or 6.4 l.

      Operation

      Fuel Capacity 1597 l. and 1268 l. 21 % more or 329 l.
      Hydraulic system fluid volume 303 l. and 190 l. 37 % more or 113 l.
      Cooling system fluid volume 213 l. and 202 l. 5 % more or 11 l.
      Cooling fluid volume per wheel 260 l. and 150 l. 42 % more or 110 l.
      Engine oil volume 102 l. and 72 l. 29 % more or 30 l.
      Transmission fluid volume 257 l. and 176 l. 32 % more or 81 l.
      Differential fluid volume 301 l. and 153 l. 49 % more or 148 l.

      Gear box

      Maximum forward speed 55.7 km/h and 54.9 km/h 1 % more or 0.8 km/h

      Cup

      Volume with top 33.6 m3 and 23.7 m3 29 % more or 9.9 m3
      Brimmed volume 24.5 m3 and 16.1 m3 34 % more or 8.4 m3
      Cut width 3846 mm and 3512 mm 9 % more or 334 mm

      Neutral reasons:

      Weight

      Front axle unloaded 30708 kg and 40665 kg
      Rear axle unloaded 21339 kg and 27110 kg
      Total operating loaded 86067 kg and 114949 kg
      Loaded front axle 42173 kg and 58624 kg
      Loaded rear axle 43894 kg and 56325 kg
      Total operating unloaded 52047 kg and 67774 kg

      Tractor engine

      Manufacturer Caterpillar and Caterpillar
      Model 3408E and C18 ACERT

      Sizes

      Dimensional length 14565 mm and 16164 mm
      Overall width 3938 mm and 4344 mm
      Height to cab upper part 3715 mm and 3712 mm
      Headroom 4286 mm and 4710 mm
      Wheelbase 8769 mm and 9956 mm

      Road scraper engine

      Manufacturer Caterpillar and Caterpillar
      Model 3306 and C15 ACERT

      Operation

      Operating voltage 24 V and 24 V
      Generator current strength 75 amperes and 75 amperes
      Tyre size 37.50-R35 and 40.5/75 R39

      Gear box

      Forward gears number 8 and 8
      Reverse gears number 1 and 1

      Cup

      Nominal payload 34020 kg and 47200 kg

      Images

      Sizes

      1. Dimensional length 14565 mm 1. Dimensional length 16164 mm
      2. Overall width 3938 mm 2. Overall width 4344 mm
      3. Headroom 4286 mm 3. Headroom 4710 mm
      4. Wheelbase 8769 mm 4. Wheelbase 9956 mm
      5. Tractor clearance 665 mm 5. Tractor clearance 645 mm
      6. Height to cab upper part 3715 mm 6. Height to cab upper part 3712 mm