Komatsu D31S-17 vs. Caterpillar 931B

4 reasons to buy Komatsu D31S-17:

Ground clearance at full height and unloading

2540 mm and 2461 mm

3 % more or 79 mm

Cooling system fluid volume

22 l. and 20 l.

9 % more or 2 l.

Effective power

49.2 kW and 48 kW

2 % more or 1.2 kW

Specific ground pressure

53 kPa and 61 kPa

13 % less or 8 kPa

Maximum speed	11.4 km/h and 6.5 km/h	43 % more or 4.9 km/h
Fuel Capacity	116 l. and 115 l.	1 % more or 1 l.
Static tipping load	4120 kg and 4259.2 kg	3 % less or 139.2 kg
Breakout force in folded state	51.4 kN and 62.8 kN	18 % less or 11.4 kN

Displacement

5.2 l. and 4.3 l.

17 % more or 0.9 l.

Length with bucket on ground level	4145 mm and 3901 mm
Width to outside of caterpillar track	1790 mm and 1790 mm
Height to cab upper part	2655 mm and 2667 mm
Radius at high altitude unloading	830 mm and 788 mm

Working weight

6700 kg and 6954 kg

Manufacturer	Komatsu and Caterpillar
Model	4D105-5 and 3204

Track shoe width	330 mm and 305 mm
Rolling bearings number on either side	5 and 5
Caterpillar track length on ground level	1880 mm and 1824 mm
Track width	1450 mm and 1420 mm

3. Height to cab upper part	2655 mm	3. Height to cab upper part	2667 mm
7. Ground clearance at full height and unloading	2540 mm	7. Ground clearance at full height and unloading	2461 mm
8. Radius at high altitude unloading	830 mm	8. Radius at high altitude unloading	788 mm
1. Length with bucket on ground level	4145 mm	1. Length with bucket on ground level	3901 mm
2. Width to outside of caterpillar track	1790 mm	2. Width to outside of caterpillar track	1790 mm

9. Track width

1450 mm

9. Track width

1420 mm