CAT 320 GC Crawler Excavator
CAT · Crawler Excavator

CAT 320 GC 20.6-tonne class crawler excavator

A Cat Next Generation crawler excavator sized for productive earthmoving, trenching and loading - built to run long shifts and easy to service wherever you are.

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Operating weight
20,600kg
Bucket capacity
1.0m³
Engine power
109.1kW
Bucket digging force
129kN

Built for day-in, day-out production

01

Proven powertrain

Cat C4.4 / C7.1 / C13B or DEVELON DL06 engines, Tier 4 / Stage IV compliant, matched to the hydraulic pump for steady cycle times and low fuel burn.

02

Load-sensing hydraulics

Flow-on-demand main pumps and priority valves give precise, responsive control at low engine rpm, cutting fuel use in light-duty cycles.

03

Heavy-duty undercarriage

Reinforced track frame, sealed and lubricated tracks and a wide track gauge keep the machine stable on slopes and soft ground.

04

Comfortable operator cab

Pressurised ROPS/TOPS cab with a colour monitor, suspension seat and climate control for long shifts.

CAT 320 GC specifications

Full technical data for this machine. Tell us your working conditions and we will confirm the exact configuration — boom, arm, bucket and attachment — before you order.

Engine & power

Engine modelCat C4.4
Net power109.1 kW @ 2,000 rpm
Rated power110 kW ISO 14396
Displacement4.4 L
Number of cylinders4
Emission standardChina Stage IV

Hydraulic system

Main pumpVariable displacement piston pump
Max oil flow429 L/min
Main relief pressure35,000 kPa
Swing circuit pressure34,300 kPa
Travel circuit pressure26,800 kPa

Performance

Operating weight20,600 kg
Bucket capacity1.0 m³
Bucket digging force129 kN
Arm digging force99 kN
Swing speed11.3 rpm
Swing torque74.4 kN·m

Working range & dimensions

Max digging depth6,630 mm
Max digging height9,440 mm
Max dumping height6,580 mm
Max digging radius9,770 mm
Overall dimensions (L × W × H)9,530 × 2,980 × 2,960 mm
Standard track shoe width600 mm
Track gauge2,380 mm
Tail swing radius2,830 mm
Min. ground clearance470 mm
Fuel tank345 L
Hydraulic oil tank115 L
DEF tank41 L

Specifications are indicative and subject to the final configuration of the unit supplied. Figures may vary with optional equipment, bucket type and local emission requirements. Request the current datasheet for your market before ordering.

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