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.
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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
- 48281lb
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
- 10.7ft
- Length to Center of Rollers
- 12ft
- Track Gauge
- 7.2ft
- Transport Width
- 10.4ft
Standard Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
-
- Engine
-
- Cat C4.4 electronically-controlled turbo-charged Tier 4 Final diesel engine
- Meets U.S. EPA Tier 4 Final and EU Stage IV emissions standards.
- Two selectable power modes
- One-touch low idle with auto engine speed control
- Auto engine idle shutdown
- Recommended for use up to 4500 m altitude (14,764 ft) with engine power derate above 3000 m (9,842.5 ft).
- 52° C (125° F) high-ambient cooling capacity
- Cold starting capability for - 32° C (- 25° F)
- Double element air filter with integrated pre-cleaner
- Electric fuel priming pump
- Reversible electric cooling fans
- Biodiesel capability up to B20
-
- Hydraulic System
-
- Boom and stick regeneration circuits
- Electronic main control valve
- Auto warm up
- Auto two-speed travel
- Boom and stick drift reduction valve
- Element type main hydraulic filter
- 3 Buttons Joysticks
- Electronic main pump
- Electric refueling pump (Europe only)
-
- Standard Comfort Cab
-
- ROPS, standard sound suppression
- High-resolution 8" (203 mm) LCD touchscreen monitor
- Auto Bi-level air conditioner
- Jog dial and shortcut keys for monitor control
- Keyless push-to-start engine control
- Height-adjustable console, 3-steps with tool
- Mechanically adjustable seat suspension
- Seat belt, retractable (51 mm [2"] width)
- Fixed left side console
- Bluetooth® integrated radio with USB ports
- 12V DC outlets
- Document storage
- Cup and bottle holders
- Two-piece front window, openable
- Steel hatch, openable
- Upper radial wiper with 70/30 w/washer
- LED dome and lower interior lights
- Roller front sunscreen
- Beacon ready
- Washable floor mat
- Straight travel pedal (US Only)
-
- Undercarriage And Structures
-
- Tiedown points on base frame (ISO 15818 Compliant)
- Bottom guards
- Standard travel motor guards
- Grease lubricated track links
- 4200 kg (9,260lb) counterweight
- Standard swing frame
- Standard swing bearing
- Base frame with standard track rollers and standard carrier rollers
- Final drive with standard travel motor
- 790 mm (31" ) triple grouser track shoes
-
- Electrical
-
- 1000 CCA maintenance-free batteries (x2)
- Centralized electrical disconnect switch
- Programmable time-delay LED working lights
- LED chassis light, LH boom light for reach-850 lumens
-
- Boom, Sticks And Linkages
-
- 5.7 m (18'8") reach boom
- 2.9 m (9'6") stick
- 790 mm (31" ) triple grouser track shoes
- Bucket linkage, B1-family with lifting eye
-
- Safety & Security
-
- Rearview camera and side right hand mirror
- Rear and right-hand-sideview camera (Europe)
- Neutral lever (lock out) for all controls
- Anti-skid plate and countersunk bolts on service platform
- Ground-level accessible secondary engine shutoff switch in cab
- Right hand rail and hand hold (ISO 2867 compliant)
- Travel alarm (US only)
-
- Service & Maintenance
-
- Sampling ports for Scheduled Oil Sampling (S·O·S℠)
- Grouped location for engine oil and fuel filters
- Ground-level 2nd dipstick for engine oil
- Remote flash
-
- Cat Technology
-
- Cat Product Link™
- Auto hammer stop
Optional Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
-
- Cat Technology
-
- Cat GRADE with Advanced 2D
-
- Hydraulic System
-
- Combined flow/high pressure aux circuit
- Simplified combined circuit (2 Way)
- Quick coupler circuit for Cat Pin Grabber
- Slider joysticks
- Smart boom (Europe only)
-
- Electrical System
-
- LED chassis light, left and right hand boom lights for reach, cab lights- 850 lumens
-
- Standard Comfort Cab
-
- Roller rear sunscreen
- Cat Stick Steer
-
- Service & Maintenance
-
- Radiator screen
-
- Safety & Security
-
- Right hand side mirror for use with right-hand-sideview camera or 360° visibility (Europe)
- Shovel crane package - optional Japan only
- Inspection Lighting
-
- Bucket
-
- HD buckets 1.0m³ (1.31yd³)
-
- Undercarriage And Structures
-
- Long undercarriage
- Long narrow undercarriage - optional Europe only
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
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
GSH520-600
- Capacity
- 0.75 yd³
- Maximum Lift Capacity
- 17637 lb
- Shell Type Options
- Semi-open, Closed
GSH420-750-S
- Capacity
- 1 yd³
- Maximum Lift Capacity
- 17637 lb
- Shell Type Options
- Semi-open
GSH520-500
- Capacity
- 0.65 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
GSH420-500-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 900 mm (36 in)
- Width
- 36 in
- Capacity
- 1.06 yd³
- Weight
- 1959 lb
Heavy Duty Bucket 600 mm (24 in)
- Width
- 24 in
- Capacity
- 0.6 yd³
- Weight
- 1540 lb
General Duty Bucket 900 mm (36 in)
- Width
- 36 in
- Capacity
- 1.24 yd³
- Weight
- 1840 lb
General Duty Bucket 600 mm (24 in)
- Width
- 24 in
- Capacity
- 0.72 yd³
- Weight
- 1457 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
- 48281lb
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
- 10.7ft
- Length to Center of Rollers
- 12ft
- Track Gauge
- 7.2ft
- Transport Width
- 10.4ft
Standard/Optional Features
Standard Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
-
- Engine
-
- Cat C4.4 electronically-controlled turbo-charged Tier 4 Final diesel engine
- Meets U.S. EPA Tier 4 Final and EU Stage IV emissions standards.
- Two selectable power modes
- One-touch low idle with auto engine speed control
- Auto engine idle shutdown
- Recommended for use up to 4500 m altitude (14,764 ft) with engine power derate above 3000 m (9,842.5 ft).
- 52° C (125° F) high-ambient cooling capacity
- Cold starting capability for - 32° C (- 25° F)
- Double element air filter with integrated pre-cleaner
- Electric fuel priming pump
- Reversible electric cooling fans
- Biodiesel capability up to B20
-
- Hydraulic System
-
- Boom and stick regeneration circuits
- Electronic main control valve
- Auto warm up
- Auto two-speed travel
- Boom and stick drift reduction valve
- Element type main hydraulic filter
- 3 Buttons Joysticks
- Electronic main pump
- Electric refueling pump (Europe only)
-
- Standard Comfort Cab
-
- ROPS, standard sound suppression
- High-resolution 8" (203 mm) LCD touchscreen monitor
- Auto Bi-level air conditioner
- Jog dial and shortcut keys for monitor control
- Keyless push-to-start engine control
- Height-adjustable console, 3-steps with tool
- Mechanically adjustable seat suspension
- Seat belt, retractable (51 mm [2"] width)
- Fixed left side console
- Bluetooth® integrated radio with USB ports
- 12V DC outlets
- Document storage
- Cup and bottle holders
- Two-piece front window, openable
- Steel hatch, openable
- Upper radial wiper with 70/30 w/washer
- LED dome and lower interior lights
- Roller front sunscreen
- Beacon ready
- Washable floor mat
- Straight travel pedal (US Only)
-
- Undercarriage And Structures
-
- Tiedown points on base frame (ISO 15818 Compliant)
- Bottom guards
- Standard travel motor guards
- Grease lubricated track links
- 4200 kg (9,260lb) counterweight
- Standard swing frame
- Standard swing bearing
- Base frame with standard track rollers and standard carrier rollers
- Final drive with standard travel motor
- 790 mm (31" ) triple grouser track shoes
-
- Electrical
-
- 1000 CCA maintenance-free batteries (x2)
- Centralized electrical disconnect switch
- Programmable time-delay LED working lights
- LED chassis light, LH boom light for reach-850 lumens
-
- Boom, Sticks And Linkages
-
- 5.7 m (18'8") reach boom
- 2.9 m (9'6") stick
- 790 mm (31" ) triple grouser track shoes
- Bucket linkage, B1-family with lifting eye
-
- Safety & Security
-
- Rearview camera and side right hand mirror
- Rear and right-hand-sideview camera (Europe)
- Neutral lever (lock out) for all controls
- Anti-skid plate and countersunk bolts on service platform
- Ground-level accessible secondary engine shutoff switch in cab
- Right hand rail and hand hold (ISO 2867 compliant)
- Travel alarm (US only)
-
- Service & Maintenance
-
- Sampling ports for Scheduled Oil Sampling (S·O·S℠)
- Grouped location for engine oil and fuel filters
- Ground-level 2nd dipstick for engine oil
- Remote flash
-
- Cat Technology
-
- Cat Product Link™
- Auto hammer stop
Optional Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
-
- Cat Technology
-
- Cat GRADE with Advanced 2D
-
- Hydraulic System
-
- Combined flow/high pressure aux circuit
- Simplified combined circuit (2 Way)
- Quick coupler circuit for Cat Pin Grabber
- Slider joysticks
- Smart boom (Europe only)
-
- Electrical System
-
- LED chassis light, left and right hand boom lights for reach, cab lights- 850 lumens
-
- Standard Comfort Cab
-
- Roller rear sunscreen
- Cat Stick Steer
-
- Service & Maintenance
-
- Radiator screen
-
- Safety & Security
-
- Right hand side mirror for use with right-hand-sideview camera or 360° visibility (Europe)
- Shovel crane package - optional Japan only
- Inspection Lighting
-
- Bucket
-
- HD buckets 1.0m³ (1.31yd³)
-
- Undercarriage And Structures
-
- Long undercarriage
- Long narrow undercarriage - optional Europe only
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
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
GSH520-600
- Capacity
- 0.75 yd³
- Maximum Lift Capacity
- 17637 lb
- Shell Type Options
- Semi-open, Closed
GSH420-750-S
- Capacity
- 1 yd³
- Maximum Lift Capacity
- 17637 lb
- Shell Type Options
- Semi-open
GSH520-500
- Capacity
- 0.65 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
GSH420-500-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 900 mm (36 in)
- Width
- 36 in
- Capacity
- 1.06 yd³
- Weight
- 1959 lb
Heavy Duty Bucket 600 mm (24 in)
- Width
- 24 in
- Capacity
- 0.6 yd³
- Weight
- 1540 lb
General Duty Bucket 900 mm (36 in)
- Width
- 36 in
- Capacity
- 1.24 yd³
- Weight
- 1840 lb
General Duty Bucket 600 mm (24 in)
- Width
- 24 in
- Capacity
- 0.72 yd³
- Weight
- 1457 lb
