Construction Machinery. Tracked Tractor Komatsu D21A-5

Standard blade

Width 2170 mm
Height 590 mm
Volume 0.76 m3
Cut depth 350 mm

Sizes

Length without blade 2440 mm
Length with blade 3385 mm
Width between caterpillar tracks 1610 mm
Height to cab upper part 2160 mm
Caterpillar track length on ground level 1685 mm
Clearance 310 mm

Operation

Working weight 3620 kg
Fuel Capacity 60 l.
Cooling system fluid volume 13 l.

Motor

Manufacturer Komatsu
Model 4D92-2P
Full power 29.1 kW
Power measured at 2450 rev / min
Maximum torque 147 Nm
Displacement 2.9 l.
Cylinders number 4

Hydraulic system

Pump bandwidth 53 l/min
Overflow valve pressure 15200.3 kPa

Gear box

Transmission type HS
Forward gears number 2
Reverse gears number 2
Maximum forward speed 4.4 km/h
Maximum reverse gear 5.4 km/h

Carrier

Specific ground pressure 29.4 kPa
Standard shoe size 300 mm
Track shoes number per side 37
Rolling bearings number on either side 5
Caterpillar track pitch 135 mm
Track width 1310 mm

Images

Sizes

1. Length with blade 3385 mm
2. Width between caterpillar tracks 1610 mm
3. Height to cab upper part 2160 mm
4. Caterpillar track length on ground level 1685 mm
5. Clearance 310 mm
6. Length without blade 2440 mm

Carrier

7. Track width 1310 mm
8. Standard shoe size 300 mm