21 ton amphibious excavator
It can travel and work on swamp and soft areas.
Isuzu engine amphibious excavator
2 chains
Amphibious excavator
Specifications:
Engine:
Name: Japanese made Mitsubishi engine
Model: 4D34-TL
Type: turbo-charged with inter-cooled
Power: 86.5kW/2,200rpm
Maximum torque: 420Nm at 1,600rpm
Number of cylinders: 6
Displacement: 3.91L
Standard bucket capacity: 0.4m3
Arm length: 3,900mm
Boom length: 6100mm
Chain: 3 chains
Tank capacity:
Fuel tank capacity: 217L
Hydraulic tank capacity: 217L
Working ranges:
Maximum digging reach: 10,811mm
Maximum digging reach on ground: 10,483mm
Maximum digging depth: 7,360mm
Maximum vertical wall digging depth: 5,419mm
Maximum cutting height: 11,352mm
Maximum dumping height: 9,206mm
Minimum front slew radius: 2,914mm
Operating weight: 21,000kg
Hydraulic system:
Main pump:
Type: variable displacement axial piston pumps
Maximum displacement: 2 x 63cm3/r
Pilot pump:
Type: gear pump
Working pressure: 30mPa
Hydraulic motor:
Slew: fixed displacement axial piston motor
Travel: variable displacement axial piston motors
Performance:
Slew speed: 13.6rpm
Minimum back slew radius: 2,914mm
Maximum travel speed high/low: 3/2.1kph
Gradeability: 30 degrees
Tractive effort: 172.5kN
Maximum digging force of bucket: 72kN
Maximum digging force of arm: 51kN
Ground pressure: 0.13kg/cm2