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- Caterpillar D9T vs. Komatsu D39PX-21 KOMSTAT II
Caterpillar D9T vs. Komatsu D39PX-21 KOMSTAT II
13 reasons to buy Caterpillar D9T:
Standard blade
| Cut depth | 606 mm and 440 mm | 27 % more or 166 mm |
Operation
| Fuel Capacity | 889 l. and 165 l. | 81 % more or 724 l. |
| Hydraulic system fluid volume | 89 l. and 47 l. | 47 % more or 42 l. |
| Cooling system fluid volume | 104 l. and 32 l. | 69 % more or 72 l. |
| Final drive fluid volume | 15 l. and 3.5 l. | 77 % more or 11.5 l. |
| Engine oil volume | 38 l. and 12.5 l. | 67 % more or 25.5 l. |
Motor
| Effective power | 306 kW and 71 kW | 77 % more or 235 kW |
| Displacement | 18.1 l. and 3.9 l. | 78 % more or 14.2 l. |
Gear box
| Maximum forward speed | 11.7 km/h and 8.5 km/h | 27 % more or 3.2 km/h |
| Maximum reverse gear | 14.3 km/h and 8.5 km/h | 41 % more or 5.8 km/h |
Carrier
| Track shoes number per side | 43 and 39 | 9 % more or 4 |
| Rolling bearings number on either side | 8 and 6 | 25 % more or 2 |
| Contact with ground area | 4.2 m2 and 3 m2 | 29 % more or 1.2 m2 |
1 reasons to buy Komatsu D39PX-21 KOMSTAT II:
Carrier
| Specific ground pressure | 29.4 kPa and 110.9 kPa | 73 % less or 81.5 kPa |
Neutral reasons:
Standard blade
| Width | 4310 mm and 3330 mm |
| Height | 1934 mm and 890 mm |
Sizes
| Length with blade | 6630 mm and 4200 mm |
| Width between caterpillar tracks | 2865 mm and 2425 mm |
| Height to cab upper part | 3815 mm and 2770 mm |
| Caterpillar track length on ground level | 3474 mm and 2360 mm |
Operation
| Working weight | 47900 kg and 8900 kg |
Motor
| Manufacturer | Caterpillar and Komatsu |
| Model | C18 ACERT and SAA4D102E-2 |
Gear box
| Transmission type | powershift and dual path hydrostatic transmission |
| Forward gears number | 3 and 3 |
| Reverse gears number | 3 and 3 |
Carrier
| Caterpillar track pitch | 240 mm and 1790 mm |
| Track width | 2250 mm and 1790 mm |
| Standard shoe size | 610 mm and 635 mm |
Images
Sizes
| 1. Length with blade | 6630 mm | 1. Length with blade | 4200 mm |
| 2. Width between caterpillar tracks | 2865 mm | 2. Width between caterpillar tracks | 2425 mm |
| 3. Height to cab upper part | 3815 mm | 3. Height to cab upper part | 2770 mm |
| 4. Caterpillar track length on ground level | 3474 mm | 4. Caterpillar track length on ground level | 2360 mm |
Carrier
| 7. Track width | 2250 mm | 7. Track width | 1790 mm |
| 8. Standard shoe size | 610 mm | 8. Standard shoe size | 635 mm |