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- Komatsu D85A-21 vs. Komatsu D85A-12
Komatsu D85A-21 vs. Komatsu D85A-12
10 reasons to buy Komatsu D85A-21:
Sizes
Clearance | 415 mm and 400 mm | 4 % more or 15 mm |
Operation
Cooling system fluid volume | 79 l. and 65 l. | 18 % more or 14 l. |
Fuel Capacity | 480 l. and 420 l. | 12 % more or 60 l. |
Motor
Full power | 170 kW and 134.2 kW | 21 % more or 35.8 kW |
Power measured at | 2000 rev / min and 1850 rev / min | 7 % more or 150 rev |
Displacement | 15.2 l. and 12.2 l. | 20 % more or 3.0 l. |
Gear box
Maximum forward speed | 11.8 km/h and 10 km/h | 15 % more or 1.8 km/h |
Maximum reverse gear | 14.3 km/h and 12 km/h | 16 % more or 2.3 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 |
2 reasons to buy Komatsu D85A-12:
Standard blade
Volume | 5.9 m3 and 5.2 m3 | 12 % more or 0.7 m3 |
Carrier
Specific ground pressure | 57.8 kPa and 57.9 kPa | 0 % less or 0.1 kPa |
Neutral reasons:
Standard blade
Width | 3725 mm and 4260 mm |
Height | 1390 mm and 1060 mm |
Cut depth | 540 mm and 540 mm |
Sizes
Height to cab upper part | 3380 mm and 3235 mm |
Caterpillar track length on ground level | 2840 mm and 2730 mm |
Length without blade | 4730 mm and 4595 mm |
Length with blade | 6830 mm and 6935 mm |
Width between caterpillar tracks | 2620 mm and 2600 mm |
Operation
Working weight | 24440 kg and 21850 kg |
Motor
Model | S6D125E and NH-220-CI |
Manufacturer | Komatsu and Komatsu |
Cylinders number | 6 and 6 |
Gear box
Transmission type | TF and K-C |
Forward gears number | 3 and 3 |
Reverse gears number | 3 and 3 |
Carrier
Standard shoe size | 560 mm and 560 mm |
Support rollers number on either side | 2 and 2 |
Caterpillar track pitch | 216 mm and 216 mm |
Track width | 2000 mm and 2000 mm |
Images
Sizes
1. Length with blade | 6830 mm | 1. Length with blade | 6935 mm |
2. Width between caterpillar tracks | 2620 mm | 2. Width between caterpillar tracks | 2600 mm |
3. Height to cab upper part | 3380 mm | 3. Height to cab upper part | 3235 mm |
4. Caterpillar track length on ground level | 2840 mm | 4. Caterpillar track length on ground level | 2730 mm |
5. Clearance | 415 mm | 5. Clearance | 400 mm |
6. Length without blade | 4730 mm | 6. Length without blade | 4595 mm |
Carrier
7. Track width | 2000 mm | 7. Track width | 2000 mm |
8. Standard shoe size | 560 mm | 8. Standard shoe size | 560 mm |