Tonnage (tons) 21
Machine operating weight (kg) 21900
Bucket capacity (m³) 0.8-1.3
Boom length (mm) 5680
Arm length (mm) 2910
Performance
Slewing speed (rpm) 11.8
Travel speed (km/h) 5.4/3.1
Gradability (%) 35
Ground pressure (Kpa) 47.2
Bucket digging force (kN) 149
Arm digging force (kN) 111
Maximum traction force (kN) )184
Power system
Engine model QSB7
Rated power (kw/rpm) 135/2050
Maximum torque (N.m) 740/1250
Displacement (L) 6.7
Number of cylinders (pieces) 6
Cooling method Water cooling
Working mode Turbocharged
Hydraulic system
Main pump type 2 plunger pumps
Main pump maximum flow (l/min) 2×225
Pilot oil circuit (MPa) 3.9
Travel hydraulic circuit (Mpa) 34.3
Slewing hydraulic circuit (Mpa )27.5
Main overflow set pressure (Mpa) 31.5/34.3
Oil capacity
Fuel tank (L) 400
Hydraulic oil tank (L) 220
Engine oil replacement volume (L) 19.5
Main body size
Total length for transportation (mm) 9625
Total width for transportation (mm) 2990
Total height for transportation (mm) 3100
Onboard width (mm) 2830
Track ground length (mm) 3462
Total length of crawler (mm) 4255
Track shoe width (mm) 600
Track gauge (mm) 2390
Minimum ground clearance (mm) 476
Counterweight ground clearance (mm) 1050
Minimum turning radius of front working device (mm) 3530
Rear end turning radius (mm )2890
Operating range
Maximum digging radius (mm) 9940
Maximum digging depth (mm) 6680
Maximum digging height (mm) 9620
Maximum unloading height (mm) 6780
Maximum vertical digging depth (mm) 5715
If you need our products please write down any questions, we will reply as soon as possible.