- Home/
- Comparison/
- Self-Powered Scraper/
- Caterpillar 621G vs. Caterpillar 657G
Caterpillar 621G vs. Caterpillar 657G
17 reasons to buy Caterpillar 657G:
Tractor engine
Full power | 471 kW and 293 kW | 38 % more or 178 kW |
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. |
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 forward speed | 55.7 km/h and 51.5 km/h | 8 % more or 4.2 km/h |
Maximum reverse gear | 9.7 km/h and 9.2 km/h | 5 % more or 0.5 km/h |
Cup
Maximum cutting depth | 425 mm and 333 mm | 22 % more or 92 mm |
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 |
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
Overall width | 3467 mm and 4344 mm |
Height to cab upper part | 3423 mm and 3712 mm |
Headroom | 3705 mm and 4710 mm |
Dimensional length | 12917 mm and 16164 mm |
Wheelbase | 7722 mm and 9956 mm |
Operation
Generator current strength | 75 amperes and 75 amperes |
Tyre size | 33.25-R29 and 40.5/75 R39 |
Operating voltage | 24 V and 24 V |
Gear box
Forward gears number | 8 and 8 |
Reverse gears number | 1 and 1 |
Transmission type | 8-speed automatic power transmission with electronic control and 8-speed automatic power transmission with electronic control |
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 |