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- Komatsu D31PX-21 KOMSTAT II vs. Case 850L LGP
Komatsu D31PX-21 KOMSTAT II vs. Case 850L LGP
2 reasons to buy Komatsu D31PX-21 KOMSTAT II:
Sizes
Clearance | 384 mm and 379 mm | 1 % more or 5 mm |
Operation
Cooling system fluid volume | 27 l. and 26.5 l. | 2 % more or 0.5 l. |
15 reasons to buy Case 850L LGP:
Standard blade
Cut depth | 483 mm and 380 mm | 21 % more or 103 mm |
Operation
Engine oil volume | 15 l. and 12.5 l. | 17 % more or 2.5 l. |
Hydraulic system fluid volume | 75.7 l. and 47 l. | 38 % more or 28.7 l. |
Final drive fluid volume | 14.2 l. and 3.5 l. | 75 % more or 10.7 l. |
Fuel Capacity | 189.3 l. and 165 l. | 13 % more or 24.3 l. |
Motor
Effective power | 72 kW and 56 kW | 22 % more or 16 kW |
Displacement | 6.7 l. and 3.9 l. | 42 % more or 2.8 l. |
Cylinders number | 6 and 4 | 33 % more or 2 |
Gear box
Forward gears number | 4 and 3 | 25 % more or 1 |
Reverse gears number | 4 and 3 | 25 % more or 1 |
Maximum forward speed | 9.7 km/h and 8.5 km/h | 12 % more or 1.2 km/h |
Maximum reverse gear | 9.7 km/h and 8.5 km/h | 12 % more or 1.2 km/h |
Carrier
Contact with ground area | 3.3 m2 and 2.6 m2 | 21 % more or 0.7 m2 |
Rolling bearings number on either side | 7 and 6 | 14 % more or 1 |
Specific ground pressure | 27.6 kPa and 28 kPa | 1 % less or 0.4 kPa |
Neutral reasons:
Standard blade
Width | 3200 mm and 3150 mm |
Height | 855 mm and 914 mm |
Blade angle in both directions | 25 degrees and 25 degrees |
Sizes
Length with blade | 3995 mm and 4408 mm |
Width between caterpillar tracks | 2250 mm and 2489 mm |
Height to cab upper part | 2700 mm and 2773 mm |
Operation
Working weight | 7650 kg and 9402 kg |
Motor
Manufacturer | Komatsu and Case |
Model | SAA4D102E-2 and Family IV 667TA/E66 3 level |
Hydraulic system
Overflow valve pressure | 20615.3 kPa and 20684.3 kPa |
Gear box
Transmission type | dual path hydrostatic transmission and Hydro-Static Transmission |
Carrier
Standard shoe size | 600 mm and 711 mm |
Caterpillar track pitch | 1650 mm and 171 mm |
Track width | 1650 mm and 1570 mm |
Track shoes number per side | 40 and 40 |
Images
Sizes
1. Length with blade | 3995 mm | 1. Length with blade | 4408 mm |
2. Width between caterpillar tracks | 2250 mm | 2. Width between caterpillar tracks | 2489 mm |
3. Height to cab upper part | 2700 mm | 3. Height to cab upper part | 2773 mm |
5. Clearance | 384 mm | 5. Clearance | 379 mm |
Carrier
7. Track width | 1650 mm | 7. Track width | 1570 mm |
8. Standard shoe size | 600 mm | 8. Standard shoe size | 711 mm |