- Home/
- Comparison/
- Tracked Tractor/
- Komatsu D21A-5 vs. Liebherr PR724 L
Komatsu D21A-5 vs. Liebherr PR724 L
3 reasons to buy Komatsu D21A-5:
Motor
Power measured at | 2450 rev / min and 1800 rev / min | 27 % more or 650 rev |
Carrier
Track shoes number per side | 37 and 2 | 95 % more or 35 |
Specific ground pressure | 29.4 kPa and 47.1 kPa | 38 % less or 17.7 kPa |
10 reasons to buy Liebherr PR724 L:
Standard blade
Cut depth | 520 mm and 350 mm | 33 % more or 170 mm |
Sizes
Clearance | 475 mm and 310 mm | 35 % more or 165 mm |
Operation
Fuel Capacity | 365 l. and 60 l. | 84 % more or 305 l. |
Cooling system fluid volume | 30 l. and 13 l. | 57 % more or 17 l. |
Motor
Full power | 119.3 kW and 29.1 kW | 76 % more or 90.2 kW |
Displacement | 6.6 l. and 2.9 l. | 56 % more or 3.7 l. |
Hydraulic system
Pump bandwidth | 174 l/min and 53 l/min | 70 % more or 121 l/min |
Gear box
Maximum forward speed | 11 km/h and 4.4 km/h | 60 % more or 6.6 km/h |
Maximum reverse gear | 7.8 km/h and 5.4 km/h | 31 % more or 2.4 km/h |
Carrier
Rolling bearings number on either side | 7 and 5 | 29 % more or 2 |
Neutral reasons:
Standard blade
Width | 2170 mm and 3204 mm |
Height | 590 mm and 1200 mm |
Sizes
Length without blade | 2440 mm and 4170 mm |
Width between caterpillar tracks | 1610 mm and 2648 mm |
Height to cab upper part | 2160 mm and 3197 mm |
Caterpillar track length on ground level | 1685 mm and 2830 mm |
Operation
Working weight | 3620 kg and 16660 kg |
Motor
Model | 4D92-2P and D 924 TI-E |
Manufacturer | Komatsu and Liebherr |
Cylinders number | 4 and 4 |
Hydraulic system
Overflow valve pressure | 15200.3 kPa and 19994.8 kPa |
Gear box
Transmission type | HS and Hydrostatic travel drive with infinitely variable control, independent drive for each caterpillar body |
Carrier
Track width | 1310 mm and 1800 mm |
Standard shoe size | 300 mm and 609.6 mm |
Images
Sizes
2. Width between caterpillar tracks | 1610 mm | 2. Width between caterpillar tracks | 2648 mm |
3. Height to cab upper part | 2160 mm | 3. Height to cab upper part | 3197 mm |
4. Caterpillar track length on ground level | 1685 mm | 4. Caterpillar track length on ground level | 2830 mm |
5. Clearance | 310 mm | 5. Clearance | 475 mm |
6. Length without blade | 2440 mm | 6. Length without blade | 4170 mm |
Carrier
7. Track width | 1310 mm | 7. Track width | 1800 mm |
8. Standard shoe size | 300 mm | 8. Standard shoe size | 609.6 mm |


