specification
Tonnage (tons)20
Working weight (kg)20500
Bucket capacity (m³)1.0
Boom length (mm)5700
Rod length (mm)2900
property
Rotation speed (rpm)11.3
Rotational torque (Nm)74.4k
Travel speed (km/h)5.9
Bucket digging force (kN)129
Bucket rod digging force (kN)99
Dynamic system
Engine model Cat® C4.4
Rated power (kw/rpm) 110/2000
Displacement (L)4.4
Cylinder diameter x stroke (mm)105 x 127
Hydraulic system
Main pump maximum flow (l/min)429
Working hydraulic circuit (Mpa)35
Walking hydraulic circuit (Mpa)34.3
Rotary hydraulic circuit (Mpa)25
Oil capacity
Fuel tank (L)345
Hydraulic tank (L)115
Hydraulic system (L)234
Engine oil change amount (L)15
Coolant (L)25
Body size
Total transport length (mm)9530
Total transport width (mm)2980/3170
Total transport height (mm)2960
Total track length (mm)4450
Track plate width (mm)600/700
Track gauge (mm)2380
Minimum ground clearance (mm)470
Counterweight ground clearance (mm)1050
Center spacing of support wheel (mm)3270
Back end turning radius (mm)2830
Scope of operation
Maximum excavation radius (mm)9770
Maximum digging depth (mm)6630
Maximum excavation height (mm)9440
Max. unloading height (mm)6580
Maximum vertical digging depth (mm)6010