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- Komatsu D355A-1 vs. Komatsu D85A-12
Komatsu D355A-1 vs. Komatsu D85A-12
13 reasons to buy Komatsu D355A-1:
Standard blade
Cut depth | 730 mm and 540 mm | 26 % more or 190 mm |
Volume | 15.2 m3 and 5.9 m3 | 61 % more or 9.3 m3 |
Sizes
Clearance | 565 mm and 400 mm | 29 % more or 165 mm |
Operation
Cooling system fluid volume | 170 l. and 65 l. | 62 % more or 105 l. |
Motor
Full power | 305.7 kW and 134.2 kW | 56 % more or 171.5 kW |
Power measured at | 2000 rev / min and 1850 rev / min | 7 % more or 150 rev |
Displacement | 19.3 l. and 12.2 l. | 37 % more or 7.1 l. |
Gear box
Forward gears number | 4 and 3 | 25 % more or 1 |
Reverse gears number | 4 and 3 | 25 % more or 1 |
Maximum forward speed | 12.7 km/h and 10 km/h | 21 % more or 2.7 km/h |
Maximum reverse gear | 12.6 km/h and 12 km/h | 5 % more or 0.6 km/h |
Carrier
Track shoes number per side | 39 and 38 | 3 % more or 1 |
Rolling bearings number on either side | 7 and 6 | 14 % more or 1 |
1 reasons to buy Komatsu D85A-12:
Carrier
Specific ground pressure | 57.8 kPa and 86.3 kPa | 33 % less or 28.5 kPa |
Neutral reasons:
Standard blade
Height | 1840 mm and 1060 mm |
Width | 4230 mm and 4260 mm |
Sizes
Length without blade | 5600 mm and 4595 mm |
Length with blade | 8700 mm and 6935 mm |
Width between caterpillar tracks | 3020 mm and 2600 mm |
Height to cab upper part | 3780 mm and 3235 mm |
Caterpillar track length on ground level | 3365 mm and 2730 mm |
Operation
Working weight | 44410 kg and 21850 kg |
Motor
Manufacturer | Komatsu and Komatsu |
Model | SA6D155-4A and NH-220-CI |
Gear box
Transmission type | TF and K-C |
Carrier
Standard shoe size | 610 mm and 560 mm |
Support rollers number on either side | 2 and 2 |
Caterpillar track pitch | 260.4 mm and 216 mm |
Track width | 2260 mm and 2000 mm |
Images
Sizes
3. Height to cab upper part | 3780 mm | 3. Height to cab upper part | 3235 mm |
4. Caterpillar track length on ground level | 3365 mm | 4. Caterpillar track length on ground level | 2730 mm |
5. Clearance | 565 mm | 5. Clearance | 400 mm |
6. Length without blade | 5600 mm | 6. Length without blade | 4595 mm |
1. Length with blade | 8700 mm | 1. Length with blade | 6935 mm |
2. Width between caterpillar tracks | 3020 mm | 2. Width between caterpillar tracks | 2600 mm |
Carrier
7. Track width | 2260 mm | 7. Track width | 2000 mm |
8. Standard shoe size | 610 mm | 8. Standard shoe size | 560 mm |


