Zg3210-9C Hydraulic Excavator

Main Technical Specification
Item Unit
Rated standard bucket capacity（standard SAE） m3 0.91
Operating weight Kg 21000
Dimensions Length(At transportation)A mm 9520
Width(At transportation)（600mm）B mm 2800
Height(At transportation)C mm 3030
Height (To the top of the cab)E mm 2958
Ground clearance of counterweight F mm 1025
Min. ground clearance H mm 470
Swing radius of the rear mm 2800
Min. swing radius of the front mm 3560
Track wheel base distance J mm 3370
Track gauge M mm 2200
Standard width of track shoe N mm 600
Performance Working range Max. digging depth B mm 6690
Max. vertical digging depth C mm 6104
Max. digging reach A mm 9953
Max. digging depth on ground A’ mm 9794
Max. digging height D mm 9642
Max. dumping height E mm 6813
Max. digging force ISO Bucket KN 137
Rod KN 102
Max. drawing force KN 204
Swing speed rpm 12.0
Travel speed Max. travel speed Km/hr 5.6
Min. travel speed Km/hr 3.1
Grade ability Degree(%) 35（70%）
Ground pressure Kgf/cm2 0.47


Diesel engine Model Cummins 6BTAA5.9-C150
Type 6 cylinders. 4 strokes. Water cooling. Turbocharged with direct injection.
No. of cylinders- Inter-bore of cylinder X Stroke mm 6-102X120
Performance Rated output HP（KW）/rpm 150（112）/1950
Max. Torque Kgf.m/rpm 62.6/1500
Rated speed rpm 1950
Voltage of starting motor 24V 4.5KW
Power of alternator 24V 70A
Accumulator 2×12V×120AH
Cooler Water tank. Oil cooler. Intercooler
truck frame Track roller
Joe sprocket
Track shoe
Hydraulic System Main pump Model Kawasaki
Type Axial variable piston pump
Rated flow L/min 2x218
Pilot pump Type Single stage，displacement gear pump
Displacement cc/rev 10
Rated flow L/min 19.5
Control valve Model Kawasaki

Operating mode Hydraulic pilot control
Pressure of main relief valve Mpa 31.4
Swing motor Model Kawasaki
Type Axial displacement piston motor
Operating pressure Mpa 24.5
Brake System Auto release, hydraulic control, spring action
Propel motor Model DOOSAN
Type Axial displacement piston motor
Operating pressure Mpa 34.3
Brake System Wet and Multi-plate type brake
Hydro-cylinder Boom Arm Bucket
Inner diameter of cylinder mm 125 135 120
Diameter of piston mm 85 95 80
Stroke mm 1221 1475 1060
Oil Capacity
1 Fuel(diesel) 400(L)
2 Engine lubricating oil 24(L)
3 Coolant20(L)
4 Oil for swing device 4.0(L)
5 Oil for travelling reducer 2×3.3(L)
6 Hydraulic oil 310(L)