Caterpillar's new generation CAT®320 GC hydraulic excavator parameter configuration

Specifications

Power Traditional power

Manufacturer Joint venture/Import

Bucket backhoe

Tonnage (tons) 20

Machine operating weight (kg) 20500

Bucket capacity (m³) 1.0

Boom length (mm) 5700

Arm length (mm) 2900

Performance

Slewing speed (rpm) 11.3

Slewing torque (Nm) 74.4k

Travel speed (km/h) 5.9

Bucket digging force (kN) 129

Arm digging force (kN) 99

Power system

Engine model Cat® C4.4

Rated power (kw/rpm) 110 / 2000

Displacement (L) 4.4

Cylinder diameter × stroke (mm) 105*127

Emission standard National IV

Hydraulic system

Maximum flow of main pump (l/min) 429

Working hydraulic oil circuit (Mpa) 35

Travel hydraulic circuit (Mpa) 34.3

Slewing hydraulic circuit (Mpa) 25

Oil capacity

Fuel tank (L) 345

Hydraulic oil tank (L) 115

Hydraulic system (L) 234

Engine oil replacement amount (L) 15

Coolant (L) 25

Main body size

Total transport length (mm) 9530

Total transport width (mm) 2980/3170

Total transport height (mm) 2960

Total track length (mm) 4450

Track shoe width (mm) 600/700

Track gauge (mm) 2380

Minimum ground clearance (mm )470

Counterweight ground clearance (mm) 1050

Spacing between center of track wheels (mm) 3270

Rear end swing radius (mm) 2830

Operating range

Maximum digging radius (mm) 9770

Maximum digging depth (mm) 6630

Maximum digging height (mm) 9440

Maximum unloading height (mm) 6580

Maximum vertical digging depth (mm) 6010