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- Komatsu D21P-8 vs. Caterpillar D4H serie II
Komatsu D21P-8 vs. Caterpillar D4H serie II
2 reasons to buy Komatsu D21P-8:
Operation
Final drive fluid volume | 8 l. and 6 l. | 25 % more or 2 l. |
Carrier
Specific ground pressure | 20.6 kPa and 49.2 kPa | 58 % less or 28.6 kPa |
15 reasons to buy Caterpillar D4H serie II:
Standard blade
Cut depth | 414 mm and 355 mm | 14 % more or 59 mm |
Operation
Fuel Capacity | 167 l. and 60 l. | 64 % more or 107 l. |
Cooling system fluid volume | 27 l. and 10 l. | 63 % more or 17 l. |
Engine oil volume | 15 l. and 6.6 l. | 56 % more or 8.4 l. |
Hydraulic system fluid volume | 67.3 l. and 21 l. | 69 % more or 46.3 l. |
Motor
Full power | 73.8 kW and 32.2 kW | 56 % more or 41.6 kW |
Effective power | 70.8 kW and 29.5 kW | 58 % more or 41.3 kW |
Displacement | 5.2 l. and 3.1 l. | 40 % more or 2.1 l. |
Gear box
Forward gears number | 3 and 2 | 33 % more or 1 |
Reverse gears number | 3 and 2 | 33 % more or 1 |
Maximum forward speed | 10.2 km/h and 4.4 km/h | 57 % more or 5.8 km/h |
Maximum reverse gear | 12.2 km/h and 5.6 km/h | 54 % more or 6.6 km/h |
Carrier
Contact with ground area | 2 m2 and 1.7 m2 | 15 % more or 0.3 m2 |
Track shoes number per side | 39 and 37 | 5 % more or 2 |
Rolling bearings number on either side | 7 and 5 | 29 % more or 2 |
Neutral reasons:
Standard blade
Width | 2560 mm and 2584 mm |
Height | 820 mm and 965 mm |
Sizes
Width between caterpillar tracks | 1490 mm and 2130 mm |
Height to cab upper part | 2450 mm and 2986 mm |
Length with blade | 3365 mm and 4260 mm |
Operation
Working weight | 4240 kg and 10250 kg |
Motor
Manufacturer | Komatsu and Caterpillar |
Model | 4D94LE-2 and 3204 |
Cylinders number | 4 and 4 |
Aspiration | natural aspiration and turbocharging |
Gear box
Transmission type | Komatsu transmission Hydro-Gear switching and planetary powershift transmission |
Carrier
Standard shoe size | 510 mm and 460 mm |
Images
Sizes
1. Length with blade | 3365 mm | 1. Length with blade | 4260 mm |
2. Width between caterpillar tracks | 1490 mm | 2. Width between caterpillar tracks | 2130 mm |
3. Height to cab upper part | 2450 mm | 3. Height to cab upper part | 2986 mm |
Carrier
8. Standard shoe size | 510 mm | 8. Standard shoe size | 460 mm |