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- Komatsu D21A-5 vs. Komatsu D85P-21
Komatsu D21A-5 vs. Komatsu D85P-21
2 reasons to buy Komatsu D21A-5:
Motor
Power measured at | 2450 rev / min and 2000 rev / min | 18 % more or 450 rev |
Carrier
Specific ground pressure | 29.4 kPa and 34.3 kPa | 14 % less or 4.9 kPa |
15 reasons to buy Komatsu D85P-21:
Standard blade
Cut depth | 540 mm and 350 mm | 35 % more or 190 mm |
Sizes
Clearance | 510 mm and 310 mm | 39 % more or 200 mm |
Operation
Fuel Capacity | 480 l. and 60 l. | 87 % more or 420 l. |
Cooling system fluid volume | 79 l. and 13 l. | 84 % more or 66 l. |
Motor
Full power | 170 kW and 29.1 kW | 83 % more or 140.9 kW |
Maximum torque | 999.6 Nm and 147 Nm | 85 % more or 852.6 Nm |
Displacement | 15.2 l. and 2.9 l. | 81 % more or 12.3 l. |
Cylinders number | 6 and 4 | 33 % more or 2 |
Hydraulic system
Pump bandwidth | 194 l/min and 53 l/min | 73 % more or 141 l/min |
Gear box
Maximum forward speed | 10.7 km/h and 4.4 km/h | 59 % more or 6.3 km/h |
Forward gears number | 3 and 2 | 33 % more or 1 |
Maximum reverse gear | 13.3 km/h and 5.4 km/h | 59 % more or 7.9 km/h |
Reverse gears number | 3 and 2 | 33 % more or 1 |
Carrier
Track shoes number per side | 45 and 37 | 18 % more or 8 |
Rolling bearings number on either side | 8 and 5 | 37 % more or 3 |
Neutral reasons:
Standard blade
Height | 590 mm and 1390 mm |
Width | 2170 mm and 4365 mm |
Sizes
Width between caterpillar tracks | 1610 mm and 3160 mm |
Height to cab upper part | 2160 mm and 3420 mm |
Caterpillar track length on ground level | 1685 mm and 3480 mm |
Length without blade | 2440 mm and 4720 mm |
Length with blade | 3385 mm and 6060 mm |
Operation
Working weight | 3620 kg and 26690 kg |
Motor
Manufacturer | Komatsu and Komatsu |
Model | 4D92-2P and S6D125E |
Hydraulic system
Overflow valve pressure | 15200.3 kPa and 19123 kPa |
Gear box
Transmission type | HS and TF |
Carrier
Standard shoe size | 300 mm and 910 mm |
Caterpillar track pitch | 135 mm and 216 mm |
Track width | 1310 mm and 2250 mm |
Images
Sizes
1. Length with blade | 3385 mm | 1. Length with blade | 6060 mm |
2. Width between caterpillar tracks | 1610 mm | 2. Width between caterpillar tracks | 3160 mm |
3. Height to cab upper part | 2160 mm | 3. Height to cab upper part | 3420 mm |
4. Caterpillar track length on ground level | 1685 mm | 4. Caterpillar track length on ground level | 3480 mm |
5. Clearance | 310 mm | 5. Clearance | 510 mm |
6. Length without blade | 2440 mm | 6. Length without blade | 4720 mm |
Carrier
7. Track width | 1310 mm | 7. Track width | 2250 mm |
8. Standard shoe size | 300 mm | 8. Standard shoe size | 910 mm |