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- Komatsu GD521A-1 vs. Komatsu GD655A-2
Komatsu GD521A-1 vs. Komatsu GD655A-2
4 reasons to buy Komatsu GD521A-1:
Steerage
Turn radius | 6.6 m and 6.9 m | 4 % less or 0.3 m |
Sizes
Rear ground clearance | 360 mm and 330 mm | 8 % more or 30 mm |
Gear box
Maximum forward speed | 44.6 km/h and 43.6 km/h | 2 % more or 1.0 km/h |
Maximum reverse gear | 54.4 km/h and 51.6 km/h | 5 % more or 2.8 km/h |
4 reasons to buy Komatsu GD655A-2:
Motor
Effective speeds output 5-6 | 123 kW and 101 kW | 18 % more or 22 kW |
Maximum power | 123 kW and 101 kW | 18 % more or 22 kW |
Displacement | 12.2 l. and 6.5 l. | 47 % more or 5.7 l. |
Front Axle
Clearance | 605 mm and 360 mm | 40 % more or 245 mm |
Neutral reasons:
Steerage
Left and right hinge connection | 27 degrees and 25 degrees |
Sizes
Height to cab upper part | 3485 mm and 6000 mm |
Dimensional length | 8160 mm and 8415 mm |
Wheelbase | 5780 mm and 6000 mm |
Blade base | 2540 mm and 2695 mm |
Dual axis wheelbase | 1535 mm and 1516 mm |
Operation
Overall standard operating weight | 10800 kg and 13200 kg |
Tyre size | 13.00-24-8PR and 13.00-24-10PR |
Motor
Model | S6D105 and NH220-CI |
Manufacturer | Komatsu and Cummins |
Gear box
Forward gears number | 6 and 6 |
Dump
Mouldboard height | 645 mm and 655 mm |
Mouldboard width | 3710 mm and 4010 mm |
Images
Sizes
1. Dimensional length | 8160 mm | 1. Dimensional length | 8415 mm |
3. Height to cab upper part | 3485 mm | 3. Height to cab upper part | 6000 mm |
4. Wheelbase | 5780 mm | 4. Wheelbase | 6000 mm |
5. Rear ground clearance | 360 mm | 5. Rear ground clearance | 330 mm |
7. Dual axis wheelbase | 1535 mm | 7. Dual axis wheelbase | 1516 mm |
8. Blade base | 2540 mm | 8. Blade base | 2695 mm |