Construction Machinery. Medium-Sized Excavator Komatsu PC78MR-6

Swing device

Rotation speed 10 rev / min

Sizes

Width to outside of caterpillar track 2320 mm
Height to cab upper part 2730 mm
Clearance 360 mm
Counterweight ground clearance 735 mm
Rear platform swing radius 1405 mm
Caterpillar track length on ground level 2235 mm

Shovel

Bucket initial volume 0.28 m3
Bucket minimum volume 0.09 m3
Maximum bucket volume 0.34 m3

Operation

Working weight 8270 kg
Fuel Capacity 125 l.
Cooling system fluid volume 10.5 l.
Hydraulic system fluid volume 110 l.
Engine oil volume 7.5 l.
Operating voltage 24 V
Generator current strength 25 amperes
Hydraulic system overflow valve pressure 26477.9 kPa
Hydraulic pump flow rate 160 l/min

Motor

Displacement 3.3 l.
Aspiration Turbocharging with subsequent air cooling (by a cooling radiator)
Cylinders number 4
Manufacturer Komatsu
Model S4D95LE-3
Effective power 40.3 kW
Power measured at 1850 rev / min

Carrier

Track shoes number per side 39
Shoe dimensions 450 mm
Support rollers number on either side 1
Rolling bearings number on either side 5
Specific ground pressure 37.2 kPa
Maximum travel speed 4.2 km/h
Hook traction force 64.7 kN
Track width 1870 mm

Booms/sections features 2

Unit load-transfer length 6200 mm
Maximum excavation depth 4745 mm
Maximum radius along ground level 7485 mm
Maximum cut height 6800 mm
Maximum loading height 4770 mm
Maximum vertical wall digging depth 3310 mm
Unit load-transfer height 2730 mm

Booms/sections features 1

Unit load-transfer height 2730 mm
Unit load-transfer length 6200 mm
Maximum excavation depth 4160 mm
Maximum radius along ground level 6960 mm
Maximum cut height 6570 mm
Maximum loading height 4515 mm
Maximum vertical wall digging depth 2900 mm

Images

Sizes

2. Width to outside of caterpillar track 2320 mm
4. Caterpillar track length on ground level 2235 mm
5. Clearance 360 mm
7. Height to cab upper part 2730 mm
8. Rear platform swing radius 1405 mm
15. Counterweight ground clearance 735 mm
15. Counterweight ground clearance 735 mm

Carrier

6. Track width 1870 mm
14. Shoe dimensions 450 mm

Booms/sections features 1

11. Maximum radius along ground level 6960 mm
12. Maximum vertical wall digging depth 2900 mm
13. Maximum excavation depth 4160 mm
1. Unit load-transfer length 6200 mm
3. Unit load-transfer height 2730 mm
9. Maximum cut height 6800 mm
10. Maximum loading height 4770 mm
11. Maximum radius along ground level 7485 mm
12. Maximum vertical wall digging depth 3310 mm
13. Maximum excavation depth 4745 mm
1. Unit load-transfer length 6200 mm
3. Unit load-transfer height 2730 mm
9. Maximum cut height 6570 mm
10. Maximum loading height 4515 mm