The Cat® 320 GC excavator balances productivity with easy-to-use technology features, a comfortable cab, reduced fuel consumption, and longer maintenance intervals reducing maintenance costs 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
- 146 hp
- Net Power - ISO 9249 (DIN)
- 148 hp (metric)
- Engine Model
- Cat® C4.4
- Engine Power - ISO 14396
- 148 hp
- Engine Power - ISO 14396 (DIN)
- 150 hp (metric)
- Bore
- 4 in
- Stroke
- 5 in
- Displacement
- 269 in³
- Biodiesel Capability
- Up to B20¹
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2,014 emission standards
- Note (1)
- Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 2,200 rpm. Advertised power is tested per the specified standard in effect at the time
- Note (2)
- ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO
Weights
- Operating Weight
- 48,500 lb
- Note
- Long undercarriage, Reach boom, R2.9 (9'6") stick, General Duty (GD) 1.0 m³ (1.31 yd³) bucket, 700 mm (28 in) triple grouser shoes and 4,200 kg (9,300 lb) counterweight.
Working Ranges and Forces
- Maximum Digging Depth
- 22 ft
- Boom
- Reach 5.7 m (18.8)
- Stick
- Reach 2.9 m (9'6")
- Bucket
- GD 1.0 m³ (1.31 yd³)
- Maximum Reach at Ground Level
- 32.3 ft
- Maximum Cutting Height
- 31 ft
- Maximum Loading Height
- 21.3 ft
- Minimum Loading Height
- 7.1 ft
- Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
- 21.6 ft
- Maximum Vertical Wall Digging Depth
- 18.7 ft
- Bucket Digging Force - ISO
- 28,935 lbf
- Stick Digging Force - ISO
- 22,281 lbf
Hydraulic System
- Main System - Maximum Flow
- 442 l/min (117 gal/min)
- Maximum Pressure - Equipment
- 5,075 psi
- Maximum Pressure - Travel
- 4,974 psi
- Maximum Pressure - Swing
- 3,625 psi
Swing Mechanism
- Swing Speed
- 11.6 r/min
- Note (1)
- For CE-marked machine default value may be set lower.
- Maximum Swing Torque
- 54,900 lbf·ft
Service Refill Capacities
- Fuel Tank Capacity
- 86.6 gal (US)
- Cooling System
- 6.6 gal (US)
- Engine Oil
- 4 gal (US)
- Swing Drive
- 3.2 gal (US)
- Final Drive - Each
- 1.1 gal (US)
- Hydraulic System - Including Tank
- 61.8 gal (US)
- Hydraulic Tank
- 30.4 gal (US)
- DEF Tank
- 10.3 gal (US)
Dimensions
- Boom
- Reach 5.7 m (18'8")
- Stick
- Reach 2.9 m (9'6")
- Bucket
- GD 1.0 m³ (1.31 yd³)
- Shipping Height - Top of Cab
- 9.7 ft
- Handrail Height
- 9.8 ft
- Shipping Length
- 31.3 ft
- Tail Swing Radius
- 9.3 ft
- Counterweight Clearance
- 3.4 ft
- Ground Clearance
- 1.5 ft
- Track Length
- 14.7 ft
- Length to Center of Rollers
- 11.11 ft
- Track Gauge
- 7.9 ft
- Transport Width
- 10.4 ft
Air Conditioning System
- Air Conditioning
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1,430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons).
Sustainability
- Recyclability
- 97%
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
-
- Air-suspension seat (Europe, North America only)
- Mechanical-suspension seat (Chile, Colombia, Türkiye only)
- Rollover Protective Structure (ROPS)
- High-resolution 203 mm (8 inch) LCD touchscreen monitor
-
- Cat Technology
-
- VisionLink®
- Remote Flash
-
- Electrical
-
- Two 1,000 CCA maintenance-free batteries
- Centralized electrical disconnect switch
- Programmable time-delay LED working lights
- LED chassis light, 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
- Lockable disconnect switch
- Right-hand handrail and hand hold
- Signaling/warning horn
-
- Service And Maintenance
-
- Scheduled Oil Sampling (S·O·S℠) ports
- Ground-level and platform-level engine oil dipsticks
- Integrated vehicle health management system
-
- Undercarriage And Structures
-
- Long undercarriage (Europe, North America, Türkiye standard; Chile optional; Columbia not available)
- Medium undercarriage (Colombia standard; Chile optional; Europe, North America, Türkiye not available)
- Tie-down points on base frame
- 3700 kg (8,160 lb) counterweight (Chile, Colombia, Türkiye only)
- 4200 kg (9,300 lb) counterweight (Europe, North America only)
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") Reach Bare stick
-
- Cab
-
- Operator Protective Guards (OPG)
-
- Cat Technology
-
- VisionLink Productivity
-
- Hydraulic System
-
- SmartBoom™ (Europe only)
-
- Safety And Security
-
- Swing alarm
- Inspection lighting
-
- Service And Maintenance
-
- Refueling pump
- QuickEvac™ maintenance ready
-
- 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
-
- Other Optional Configurations
-
- Narrow (Europe only)
Specifications
Engine
- Net Power - ISO 9249
- 146 hp
- Net Power - ISO 9249 (DIN)
- 148 hp (metric)
- Engine Model
- Cat® C4.4
- Engine Power - ISO 14396
- 148 hp
- Engine Power - ISO 14396 (DIN)
- 150 hp (metric)
- Bore
- 4 in
- Stroke
- 5 in
- Displacement
- 269 in³
- Biodiesel Capability
- Up to B20¹
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2,014 emission standards
- Note (1)
- Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 2,200 rpm. Advertised power is tested per the specified standard in effect at the time
- Note (2)
- ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO
Weights
- Operating Weight
- 48,500 lb
- Note
- Long undercarriage, Reach boom, R2.9 (9'6") stick, General Duty (GD) 1.0 m³ (1.31 yd³) bucket, 700 mm (28 in) triple grouser shoes and 4,200 kg (9,300 lb) counterweight.
Working Ranges and Forces
- Maximum Digging Depth
- 22 ft
- Boom
- Reach 5.7 m (18.8)
- Stick
- Reach 2.9 m (9'6")
- Bucket
- GD 1.0 m³ (1.31 yd³)
- Maximum Reach at Ground Level
- 32.3 ft
- Maximum Cutting Height
- 31 ft
- Maximum Loading Height
- 21.3 ft
- Minimum Loading Height
- 7.1 ft
- Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
- 21.6 ft
- Maximum Vertical Wall Digging Depth
- 18.7 ft
- Bucket Digging Force - ISO
- 28,935 lbf
- Stick Digging Force - ISO
- 22,281 lbf
Hydraulic System
- Main System - Maximum Flow
- 442 l/min (117 gal/min)
- Maximum Pressure - Equipment
- 5,075 psi
- Maximum Pressure - Travel
- 4,974 psi
- Maximum Pressure - Swing
- 3,625 psi
Swing Mechanism
- Swing Speed
- 11.6 r/min
- Note (1)
- For CE-marked machine default value may be set lower.
- Maximum Swing Torque
- 54,900 lbf·ft
Service Refill Capacities
- Fuel Tank Capacity
- 86.6 gal (US)
- Cooling System
- 6.6 gal (US)
- Engine Oil
- 4 gal (US)
- Swing Drive
- 3.2 gal (US)
- Final Drive - Each
- 1.1 gal (US)
- Hydraulic System - Including Tank
- 61.8 gal (US)
- Hydraulic Tank
- 30.4 gal (US)
- DEF Tank
- 10.3 gal (US)
Dimensions
- Boom
- Reach 5.7 m (18'8")
- Stick
- Reach 2.9 m (9'6")
- Bucket
- GD 1.0 m³ (1.31 yd³)
- Shipping Height - Top of Cab
- 9.7 ft
- Handrail Height
- 9.8 ft
- Shipping Length
- 31.3 ft
- Tail Swing Radius
- 9.3 ft
- Counterweight Clearance
- 3.4 ft
- Ground Clearance
- 1.5 ft
- Track Length
- 14.7 ft
- Length to Center of Rollers
- 11.11 ft
- Track Gauge
- 7.9 ft
- Transport Width
- 10.4 ft
Air Conditioning System
- Air Conditioning
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1,430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons).
Sustainability
- Recyclability
- 97%
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
-
- Air-suspension seat (Europe, North America only)
- Mechanical-suspension seat (Chile, Colombia, Türkiye only)
- Rollover Protective Structure (ROPS)
- High-resolution 203 mm (8 inch) LCD touchscreen monitor
-
- Cat Technology
-
- VisionLink®
- Remote Flash
-
- Electrical
-
- Two 1,000 CCA maintenance-free batteries
- Centralized electrical disconnect switch
- Programmable time-delay LED working lights
- LED chassis light, 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
- Lockable disconnect switch
- Right-hand handrail and hand hold
- Signaling/warning horn
-
- Service And Maintenance
-
- Scheduled Oil Sampling (S·O·S℠) ports
- Ground-level and platform-level engine oil dipsticks
- Integrated vehicle health management system
-
- Undercarriage And Structures
-
- Long undercarriage (Europe, North America, Türkiye standard; Chile optional; Columbia not available)
- Medium undercarriage (Colombia standard; Chile optional; Europe, North America, Türkiye not available)
- Tie-down points on base frame
- 3700 kg (8,160 lb) counterweight (Chile, Colombia, Türkiye only)
- 4200 kg (9,300 lb) counterweight (Europe, North America only)
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") Reach Bare stick
-
- Cab
-
- Operator Protective Guards (OPG)
-
- Cat Technology
-
- VisionLink Productivity
-
- Hydraulic System
-
- SmartBoom™ (Europe only)
-
- Safety And Security
-
- Swing alarm
- Inspection lighting
-
- Service And Maintenance
-
- Refueling pump
- QuickEvac™ maintenance ready
-
- 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
-
- Other Optional Configurations
-
- Narrow (Europe only)