Komatsu D31EX-21 KOMSTAT II vs. Liebherr PR742B M

3 reasons to buy Komatsu D31EX-21 KOMSTAT II:

Reverse gears number	3 and 2	33 % more or 1
Maximum reverse gear	8.5 km/h and 7.9 km/h	7 % more or 0.6 km/h

Specific ground pressure

43 kPa and 45.1 kPa

5 % less or 2.1 kPa

Cut depth

600 mm and 385 mm

36 % more or 215 mm

Clearance

482 mm and 384 mm

20 % more or 98 mm

Hydraulic system fluid volume	189 l. and 47 l.	75 % more or 142 l.
Engine oil volume	22 l. and 12.5 l.	43 % more or 9.5 l.
Final drive fluid volume	23 l. and 3.5 l.	85 % more or 19.5 l.
Fuel Capacity	450 l. and 165 l.	63 % more or 285 l.
Cooling system fluid volume	62 l. and 27 l.	56 % more or 35 l.

Effective power	174.5 kW and 56 kW	68 % more or 118.5 kW
Displacement	10 l. and 3.9 l.	61 % more or 6.1 l.

Maximum forward speed

10.9 km/h and 8.5 km/h

22 % more or 2.4 km/h

Contact with ground area	5.3 m2 and 1.6 m2	70 % more or 3.7 m2
Rolling bearings number on either side	8 and 5	37 % more or 3

Length with blade	4015 mm and 5770 mm
Width between caterpillar tracks	1850 mm and 2992 mm
Height to cab upper part	2700 mm and 3305 mm
Caterpillar track length on ground level	2010 mm and 3275 mm

Working weight

7130 kg and 24584.7 kg

Manufacturer	Komatsu and Liebherr
Model	SAA4D102E-2 and D 926 TI-E
Aspiration	turbocharging and subsequent cooling of charging air by oncoming air flow and turbocharging

Overflow valve pressure

20615.3 kPa and 15995.8 kPa

Forward gears number

3 and 3

Standard shoe size	400 mm and 812.8 mm
Track width	1450 mm and 2180 mm

1. Length with blade	4015 mm	1. Length with blade	5770 mm
2. Width between caterpillar tracks	1850 mm	2. Width between caterpillar tracks	2992 mm
3. Height to cab upper part	2700 mm	3. Height to cab upper part	3305 mm
4. Caterpillar track length on ground level	2010 mm	4. Caterpillar track length on ground level	3275 mm
5. Clearance	384 mm	5. Clearance	482 mm

7. Track width	1450 mm	7. Track width	2180 mm
8. Standard shoe size	400 mm	8. Standard shoe size	812.8 mm