Komatsu PC70-8 excavator parameter configuration

Specification

Power traditional power

Manufacturer joint venture/import

bucket backhoe

Tonnage (tons) 7

Machine working weight (kg) 6500

Bucket capacity (m³)0.32-0.39

Boom length (mm) 3710

Dipper length (mm) 1650

performance

Rotation speed (rpm)11

Walking speed (km/h)4.5/2.8

Grounding specific pressure (Kpa) 30.2

Bucket digging force (kN) 54.8

Digging force of stick (kN) 38.2

Maximum traction force (kN)56.4

power system

Engine model Komatsu SAA4D95LE-5

Rated power (kw/rpm)48.5/1950

Displacement(L)3.26

Number of cylinders (number) 4

Bore size×stroke(mm)95*115

Cooling method: water cooling

Working mode: turbocharged, after-cooled

Hydraulic system

Main pump type variable piston pump

Maximum flow rate of main pump (l/min) 172

Pilot oil circuit (MPa) 2.9

Working hydraulic oil line (Mpa) 24.5

Travel hydraulic circuit (Mpa) 24.5

Rotary hydraulic circuit (Mpa) 21.1

Boom cylinder - number × bore × stroke (mm) 1-115*840

Stick cylinder - number × bore × stroke (mm) 1-100*865

Bucket cylinder - number × bore × stroke (mm) 1-90*710

oil capacity

Fuel tank (L) 130

Hydraulic oil tank (L)95

Engine oil replacement volume (L) 12.5

Body size

Total transportation length (mm) 6080

Total transportation width (mm) 2225

Total transportation height (mm) 2620

Track ground length (mm) 2130

Total track length (mm) 2765

Track shoe width (mm) 450

Total track width (mm) 2150

Track gauge (mm) 1700

Minimum ground clearance (mm) 350

Counterweight ground clearance (mm) 750

Rear end turning radius (mm) 1750

Number of supporting sprocket wheels (one side) (unit) 1

Number of track shoes (one side) (piece) 38

Number of supporting wheels (one side) (piece) 5

Scope of work

Maximum digging radius (mm) 6360

Maximum excavation radius of parking surface (mm) 6220

Maximum digging depth (mm) 4100

Maximum digging height (mm) 7150

Maximum unloading height (mm)5015

Maximum vertical excavation depth (mm) 3505