21 ton construction machinery
Imported hydraulic pump, valves, motors
Crawler excavators
Working range:
Maximum digging reach: 9,925mm
Maximum digging reach on ground: 9,762mm
Maximum digging depth: 6,643mm
Maximum vertical wall digging depth: 6,064mm
Maximum cutting height: 9,631mm
Maximum dumping height: 6,864mm
Minimum front slew radius: 3,554mm
Specifications:
Operating weight: 20,500kg
Standard bucket capacity: 0.8m3
Optional bucket capacity: 0.9/1m3
Track shoe width: 600mm
Arm length: 2,912mm
Engine:
Japanese made Isuzu engine
Model: 6BG1TRP
Type: turbo-charged with inter-cooled
Power: 110kW/2,100rpm
Maximum torque: 511-629Nm at 1,600rpm
Number of cylinders: 6
Displacement: 6.494L
Hydraulic system:
Main pump type: variable displacement axial piston pumps
Maximum displacement: 2 x 107cm3/r
Pilot pump type: gear pump
Maximum flow: 20L/min
Working pressure: 32MPa
Hydraulic motor:
Slew: fixed displacement axial piston motor
Travel: variable displacement axial piston motors
Performance:
Slew speed: 11rpm
Minimum back slew radius: 2,828mm
Maximum travel speed high/low: 4.88/3.42kph
Gradeability: 35 degrees
Tractive effort: 186.2kN
Maximum digging force of bucket: 122.85kN
Maximum digging force of arm: 97.6kN
Ground pressure: 0.48kg/cm2
Tank capacity:
Fuel: 376L
Hydraulic: 219L