Komatsu D21A-3 vs. Caterpillar D4B LGP

3 reasons to buy Komatsu D21A-3:

Clearance

310 mm and 290.8 mm

6 % more or 19.2 mm

Power measured at

2450 rev / min and 2400 rev / min

2 % more or 50 rev

Specific ground pressure

28.4 kPa and 442.6 kPa

94 % less or 414.2 kPa

Cut depth

387 mm and 320 mm

17 % more or 67 mm

Fuel Capacity	116 l. and 60 l.	48 % more or 56 l.
Cooling system fluid volume	20 l. and 14 l.	30 % more or 6 l.

Full power	60.4 kW and 27.6 kW	54 % more or 32.8 kW
Displacement	5.2 l. and 2.6 l.	50 % more or 2.6 l.

Maximum forward speed	11.1 km/h and 6.9 km/h	38 % more or 4.2 km/h
Maximum reverse gear	11.9 km/h and 6.4 km/h	46 % more or 5.5 km/h

Track shoes number per side

39 and 37

5 % more or 2

Width	2300 mm and 3100 mm
Height	565 mm and 827.3 mm

Length without blade	2465 mm and 2997 mm
Length with blade	3450 mm and 4011 mm
Width between caterpillar tracks	1540 mm and 2286 mm
Height to cab upper part	2085 mm and 2667 mm
Caterpillar track length on ground level	1675 mm and 2058 mm

Working weight

3430 kg and 7799.5 kg

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

Standard shoe size	300 mm and 635 mm
Track width	1190 mm and 1650 mm

1. Length with blade	3450 mm	1. Length with blade	4011 mm
2. Width between caterpillar tracks	1540 mm	2. Width between caterpillar tracks	2286 mm
3. Height to cab upper part	2085 mm	3. Height to cab upper part	2667 mm
4. Caterpillar track length on ground level	1675 mm	4. Caterpillar track length on ground level	2058 mm
5. Clearance	310 mm	5. Clearance	290.8 mm
6. Length without blade	2465 mm	6. Length without blade	2997 mm

7. Track width	1190 mm	7. Track width	1650 mm
8. Standard shoe size	300 mm	8. Standard shoe size	635 mm