Caterpillar D9R vs. Komatsu D31A-17

7 reasons to buy Caterpillar D9R:

Cut depth

606 mm and 370 mm

39 % more or 236 mm

Fuel Capacity

817.6 l. and 115 l.

86 % more or 702.6 l.

Full power	305.7 kW and 49.2 kW	84 % more or 256.5 kW
Displacement	18 l. and 4.3 l.	76 % more or 13.7 l.

Maximum forward speed	11.9 km/h and 6.5 km/h	45 % more or 5.4 km/h
Maximum reverse gear	14.6 km/h and 7.1 km/h	51 % more or 7.5 km/h

Rolling bearings number on either side

8 and 5

37 % more or 3

Specific ground pressure

40.2 kPa and 110.9 kPa

64 % less or 70.7 kPa

Width	4650 mm and 2415 mm
Height	1934 mm and 745 mm

Length without blade	5180 mm and 2835 mm
Width between caterpillar tracks	2930 mm and 1850 mm
Height to cab upper part	3820 mm and 2685 mm
Caterpillar track length on ground level	3470 mm and 1880 mm

Working weight

49567 kg and 5121.1 kg

Manufacturer	Caterpillar and Komatsu
Model	3408ETA and 4D105-5

Transmission type	powershift transmission and planetary gear
Forward gears number	3 and 3
Reverse gears number	3 and 3

Standard shoe size	610 mm and 330 mm
Track width	2250 mm and 1450 mm

2. Width between caterpillar tracks	2930 mm	2. Width between caterpillar tracks	1850 mm
3. Height to cab upper part	3820 mm	3. Height to cab upper part	2685 mm
4. Caterpillar track length on ground level	3470 mm	4. Caterpillar track length on ground level	1880 mm
6. Length without blade	5180 mm	6. Length without blade	2835 mm

7. Track width	2250 mm	7. Track width	1450 mm
8. Standard shoe size	610 mm	8. Standard shoe size	330 mm