fbpx

320 GC Hydraulic Excavator

320 GC Hydraulic Excavator

The Cat® 320 GC excavator balances productivity with easy-to-use technology features, a new comfortable cab, reduced fuel consumption by up to 20%, and longer maintenance intervals reducing maintenance costs by up to 25% to bring you a durable, low-cost-per-hour excavator for light- to medium-duty applications.

Net Power - ISO 9249
146 HP
Operating Weight
48300 lb
Maximum Digging Depth
22 ft
Engine Model
Cat C4.4e TA

Engine

Net Power - ISO 9249
146HP
Engine Model
Cat C4.4e TA
Engine Power - ISO 14396
148HP
Bore
4in
Stroke
5in
Displacement
269in³

Weights

Operating Weight
48300lb

Working Ranges & Forces

Maximum Digging Depth
22ft
Boom
Reach 5.7 m (18.8)
Stick
R2.9B1 (9'6")
Bucket
1.00 m³ (1.31 yd³)
Maximum Reach at Ground Level
32.3ft
Maximum Cutting Height
31ft
Maximum Loading Height
21.3ft
Minimum Loading Height
7.1ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
21.6ft
Maximum Vertical Wall Digging Depth
18.7ft
Bucket Digging Force - ISO
28935lbf
Stick Digging Force - ISO
22281lbf

Hydraulic System

Main System - Maximum Flow
442 l/min (116 gal/min)
Maximum Pressure - Equipment
5075psi
Maximum Pressure - Travel
4974psi
Maximum Pressure - Swing
3625psi

Swing Mechanism

Swing Speed
11.6r/min
Maximum Swing Torque
54900ft·lbf

Service Refill Capacities

Fuel Tank Capacity
86.6gal (US)
Cooling System
6.6gal (US)
Engine Oil
4gal (US)
Swing Drive - Each
3.2gal (US)
Final Drive - Each
1.1gal (US)
Hydraulic System - Including Tank
61.8gal (US)
Hydraulic Tank
30.4gal (US)
DEF Tank
10.3gal (US)

Dimensions

Boom
Reach 5.7 m (18'8")
Stick
R2.9B1 (9'6")
Bucket
1.00 m³ (1.31 yd³)
Shipping Height - Top of Cab
9.7ft
Handrail Height
9.8ft
Shipping Length
31.3ft
Tail Swing Radius
9.3ft
Counterweight Clearance
3.4ft
Ground Clearance
1.5ft
Track Length
14.7ft
Length to Center of Rollers
12ft
Track Gauge
7.9ft
Transport Width
10.4ft

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Boom And Sticks
    • 5.7 m (18'8") Reach boom
  • Cab
    • Rollover protective structure (ROPS)
    • Mechanical-suspension seat
    • High-resolution 203 mm (8 inch) LCD touchscreen monitor
  • Cat Technology
    • Cat Product Link
    • Remote Flash
    • Remote Troubleshoot
    • Auto hammer stop
  • Electrical
    • Two 1,000 CCA maintenance-free batteries
    • Programmable time-delay LED working lights
    • LED chassis light, left-hand/right-hand boom lights, cab lights
  • Engine
    • Cat C4.4 single turbo engine
    • Two selectable power modes
    • Auto engine speed control
    • Auto engine idle shutdown
    • 52° C (125° F) high-ambient cooling capacity
    • -32° C (-25° F) cold start capability
    • Double element air filter with integrated pre-cleaner
    • Reversible electric cooling fans
  • Hydraulic System
    • Boom and stick regeneration circuits
    • Boom and stick lowering check valves
    • Auto warm up
    • Auto two-speed travel
    • Boom and stick drift reduction valve
    • Slider joysticks
    • Tool control (two pumps, one/two way high-pressure flow)
  • Safety And Security
    • Rearview and right-hand-sideview cameras
    • Ground-level engine shutoff switch
    • Right-hand handrail and hand hold
    • Signaling/warning horn
  • Service And Maintenance
    • Sampling ports for Scheduled Oil Sampling (S·O·S)
    • Ground-level and platform-level engine oil dipsticks
  • Undercarriage And Structures
    • Tie-down points on base frame
    • 3700 kg (8,160 lb) counterweight (Turkey only)
    • 4200 kg (9,300 lb) counterweight

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Boom And Sticks
    • 2.9 m (9'6") Reach stick
    • 2.5 m (8'2") Reach stick
    • 2.9 m (9'6") Semi-HD Reach stick
    • 2.5 m (8'2") Semi-HD Reach stick
  • Safety And Security
    • Swing alarm
    • Inspection lighting
  • Service And Maintenance
    • Integrated vehicle health management system
  • Undercarriage And Structures
    • 600 mm (24") triple grouser shoes
    • 700 mm (28") triple grouser shoes
    • 790 mm (31") triple grouser shoes
    • 900 mm (35") triple grouser shoes

H120 S Hydraulic Hammer

Impact Energy Class
3500 ft·lbf
Blows per Minute
350-620
Maximum Operating Weight
4101 lb

H120 GC S Hammer

Impact Energy Class
2950 ft-lb
Blows per Minute
400-800
Maximum Operating Weight
3927 lb

H130 GC S Hammer

Impact Energy Class
4425 ft-lb
Blows per Minute
350-700
Maximum Operating Weight
5471.4 lb

GSH525-750

Capacity
1 yd³
Maximum Lift Capacity
22046 lb
Shell Type Options
Semi-open, Closed

GSH525-950

Capacity
1.25 yd³
Maximum Lift Capacity
22046 lb
Shell Type Options
Semi-open, Closed

GSH520-750

Capacity
1 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open, Closed

GSH425-750-S

Capacity
1 yd³
Maximum Lift Capacity
22046 lb
Shell Type Options
Semi-open

GSH425-950-S

Capacity
1.25 yd³
Maximum Lift Capacity
22046 lb
Shell Type Options
Semi-open

GSH520-500

Capacity
0.65 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open, Closed

GSH520-600

Capacity
0.75 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open, Closed

GSH420-600-S

Capacity
0.75 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open

GSH420-750-S

Capacity
1 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open

GSH420-500-S

Capacity
0.65 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open

S70 S Type Excavator Coupler: 566-2349

Weight
571 lb
Lifting Hook Capacity
8 ton (US)
Width
17.72 in

Heavy Duty Bucket 1200 mm (48 in)

Width
48 in
Capacity
1.56 yd³
Weight
2030 lb

Heavy Duty Bucket 1050 mm (42 in)

Width
42 in
Capacity
1.31 yd³
Weight
1867 lb

Specifications

Engine

Net Power - ISO 9249
146HP
Engine Model
Cat C4.4e TA
Engine Power - ISO 14396
148HP
Bore
4in
Stroke
5in
Displacement
269in³

Weights

Operating Weight
48300lb

Working Ranges & Forces

Maximum Digging Depth
22ft
Boom
Reach 5.7 m (18.8)
Stick
R2.9B1 (9'6")
Bucket
1.00 m³ (1.31 yd³)
Maximum Reach at Ground Level
32.3ft
Maximum Cutting Height
31ft
Maximum Loading Height
21.3ft
Minimum Loading Height
7.1ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
21.6ft
Maximum Vertical Wall Digging Depth
18.7ft
Bucket Digging Force - ISO
28935lbf
Stick Digging Force - ISO
22281lbf

Hydraulic System

Main System - Maximum Flow
442 l/min (116 gal/min)
Maximum Pressure - Equipment
5075psi
Maximum Pressure - Travel
4974psi
Maximum Pressure - Swing
3625psi

Swing Mechanism

Swing Speed
11.6r/min
Maximum Swing Torque
54900ft·lbf

Service Refill Capacities

Fuel Tank Capacity
86.6gal (US)
Cooling System
6.6gal (US)
Engine Oil
4gal (US)
Swing Drive - Each
3.2gal (US)
Final Drive - Each
1.1gal (US)
Hydraulic System - Including Tank
61.8gal (US)
Hydraulic Tank
30.4gal (US)
DEF Tank
10.3gal (US)

Dimensions

Boom
Reach 5.7 m (18'8")
Stick
R2.9B1 (9'6")
Bucket
1.00 m³ (1.31 yd³)
Shipping Height - Top of Cab
9.7ft
Handrail Height
9.8ft
Shipping Length
31.3ft
Tail Swing Radius
9.3ft
Counterweight Clearance
3.4ft
Ground Clearance
1.5ft
Track Length
14.7ft
Length to Center of Rollers
12ft
Track Gauge
7.9ft
Transport Width
10.4ft

Standard/Optional Features

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Boom And Sticks
    • 5.7 m (18'8") Reach boom
  • Cab
    • Rollover protective structure (ROPS)
    • Mechanical-suspension seat
    • High-resolution 203 mm (8 inch) LCD touchscreen monitor
  • Cat Technology
    • Cat Product Link
    • Remote Flash
    • Remote Troubleshoot
    • Auto hammer stop
  • Electrical
    • Two 1,000 CCA maintenance-free batteries
    • Programmable time-delay LED working lights
    • LED chassis light, left-hand/right-hand boom lights, cab lights
  • Engine
    • Cat C4.4 single turbo engine
    • Two selectable power modes
    • Auto engine speed control
    • Auto engine idle shutdown
    • 52° C (125° F) high-ambient cooling capacity
    • -32° C (-25° F) cold start capability
    • Double element air filter with integrated pre-cleaner
    • Reversible electric cooling fans
  • Hydraulic System
    • Boom and stick regeneration circuits
    • Boom and stick lowering check valves
    • Auto warm up
    • Auto two-speed travel
    • Boom and stick drift reduction valve
    • Slider joysticks
    • Tool control (two pumps, one/two way high-pressure flow)
  • Safety And Security
    • Rearview and right-hand-sideview cameras
    • Ground-level engine shutoff switch
    • Right-hand handrail and hand hold
    • Signaling/warning horn
  • Service And Maintenance
    • Sampling ports for Scheduled Oil Sampling (S·O·S)
    • Ground-level and platform-level engine oil dipsticks
  • Undercarriage And Structures
    • Tie-down points on base frame
    • 3700 kg (8,160 lb) counterweight (Turkey only)
    • 4200 kg (9,300 lb) counterweight

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Boom And Sticks
    • 2.9 m (9'6") Reach stick
    • 2.5 m (8'2") Reach stick
    • 2.9 m (9'6") Semi-HD Reach stick
    • 2.5 m (8'2") Semi-HD Reach stick
  • Safety And Security
    • Swing alarm
    • Inspection lighting
  • Service And Maintenance
    • Integrated vehicle health management system
  • Undercarriage And Structures
    • 600 mm (24") triple grouser shoes
    • 700 mm (28") triple grouser shoes
    • 790 mm (31") triple grouser shoes
    • 900 mm (35") triple grouser shoes

Attachments

H120 S Hydraulic Hammer

Impact Energy Class
3500 ft·lbf
Blows per Minute
350-620
Maximum Operating Weight
4101 lb

H120 GC S Hammer

Impact Energy Class
2950 ft-lb
Blows per Minute
400-800
Maximum Operating Weight
3927 lb

H130 GC S Hammer

Impact Energy Class
4425 ft-lb
Blows per Minute
350-700
Maximum Operating Weight
5471.4 lb

GSH525-750

Capacity
1 yd³
Maximum Lift Capacity
22046 lb
Shell Type Options
Semi-open, Closed

GSH525-950

Capacity
1.25 yd³
Maximum Lift Capacity
22046 lb
Shell Type Options
Semi-open, Closed

GSH520-750

Capacity
1 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open, Closed

GSH425-750-S

Capacity
1 yd³
Maximum Lift Capacity
22046 lb
Shell Type Options
Semi-open

GSH425-950-S

Capacity
1.25 yd³
Maximum Lift Capacity
22046 lb
Shell Type Options
Semi-open

GSH520-500

Capacity
0.65 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open, Closed

GSH520-600

Capacity
0.75 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open, Closed

GSH420-600-S

Capacity
0.75 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open

GSH420-750-S

Capacity
1 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open

GSH420-500-S

Capacity
0.65 yd³
Maximum Lift Capacity
17637 lb
Shell Type Options
Semi-open

S70 S Type Excavator Coupler: 566-2349

Weight
571 lb
Lifting Hook Capacity
8 ton (US)
Width
17.72 in

Heavy Duty Bucket 1200 mm (48 in)

Width
48 in
Capacity
1.56 yd³
Weight
2030 lb

Heavy Duty Bucket 1050 mm (42 in)

Width
42 in
Capacity
1.31 yd³
Weight
1867 lb