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- Komatsu D31PX-21 KOMSTAT II vs. Komatsu D80P-18
Komatsu D31PX-21 KOMSTAT II vs. Komatsu D80P-18
1 reasons to buy Komatsu D31PX-21 KOMSTAT II:
Carrier
Specific ground pressure | 28 kPa and 32.3 kPa | 13 % less or 4.3 kPa |
11 reasons to buy Komatsu D80P-18:
Standard blade
Cut depth | 550 mm and 380 mm | 31 % more or 170 mm |
Sizes
Clearance | 510 mm and 384 mm | 25 % more or 126 mm |
Motor
Displacement | 14 l. and 3.9 l. | 72 % more or 10.1 l. |
Cylinders number | 6 and 4 | 33 % more or 2 |
Gear box
Maximum reverse gear | 9.4 km/h and 8.5 km/h | 10 % more or 0.9 km/h |
Forward gears number | 5 and 3 | 40 % more or 2 |
Reverse gears number | 4 and 3 | 25 % more or 1 |
Maximum forward speed | 9.9 km/h and 8.5 km/h | 14 % more or 1.4 km/h |
Carrier
Contact with ground area | 6.3 m2 and 2.6 m2 | 59 % more or 3.7 m2 |
Track shoes number per side | 45 and 40 | 11 % more or 5 |
Rolling bearings number on either side | 8 and 6 | 25 % more or 2 |
Neutral reasons:
Standard blade
Height | 855 mm and 1265 mm |
Width | 3200 mm and 4365 mm |
Sizes
Length with blade | 3995 mm and 6060 mm |
Width between caterpillar tracks | 2250 mm and 3160 mm |
Height to cab upper part | 2700 mm and 3435 mm |
Operation
Working weight | 7650 kg and 25500 kg |
Motor
Manufacturer | Komatsu and Komatsu |
Model | SAA4D102E-2 and NT855 |
Aspiration | turbocharging and turbocharging |
Gear box
Transmission type | dual path hydrostatic transmission and DD |
Carrier
Standard shoe size | 600 mm and 910 mm |
Caterpillar track pitch | 1650 mm and 216 mm |
Track width | 1650 mm and 2250 mm |
Images
Sizes
1. Length with blade | 3995 mm | 1. Length with blade | 6060 mm |
2. Width between caterpillar tracks | 2250 mm | 2. Width between caterpillar tracks | 3160 mm |
3. Height to cab upper part | 2700 mm | 3. Height to cab upper part | 3435 mm |
5. Clearance | 384 mm | 5. Clearance | 510 mm |
Carrier
7. Track width | 1650 mm | 7. Track width | 2250 mm |
8. Standard shoe size | 600 mm | 8. Standard shoe size | 910 mm |


