The Cat® 320 raises the bar for efficiency and fuel economy in this size class. With the industry’s highest level of standard factory technology, a cab focused on operator comfort, plus low fuel and maintenance costs, the 320 will set a new pace for productivity and profit in your operation.
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Engine
- Net Power - ISO 9249
- 172 hp
- Net Power - ISO 9249 (DIN)
- 175 hp (metric)
- Engine Model
- Cat C4.4
- Engine Power - ISO 14396
- 174 hp
- Engine Power - ISO 14396 (DIN)
- 176 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
- 49,800 lb
- Note
- Reach boom, R2.9 (9'6") stick, Heavy Duty (HD) 1.19 m ³ (1.56 yd³) bucket 790 mm (31") triple grouser shoes, 4,200 kg (10,400 lb) counterweight.
Working Ranges & Forces
- Maximum Digging Depth
- 22 ft
- Boom
- Reach 5.7 m (18'8")
- Stick
- Reach 2.9 m (9'6")
- Bucket
- 1.19 m ³ (1.56 yd³)
- Maximum Reach at Ground Level
- 32.3 ft
- Maximum Cutting Height
- 30.7 ft
- Maximum Loading Height
- 21.3 ft
- Minimum Loading Height
- 7.1 ft
- Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
- 21.5 ft
- Maximum Vertical Wall Digging Depth
- 17 ft
- Bucket Digging Force - ISO
- 38,811 lbf
- Stick Digging Force - ISO
- 23,911 lbf
Hydraulic System
- Main System - Maximum Flow
- 429 l/min (113 gal/min)
- Maximum Pressure - Equipment
- 5,075 psi
- Maximum Pressure - Travel
- 4,974 psi
- Maximum Pressure - Swing
- 3,988 psi
Swing Mechanism
- Maximum Swing Torque
- 60,300 ft·lbf
Service Refill Capacities
- Fuel Tank Capacity
- 86.6 gal (US)
- Cooling System
- 6.6 gal (US)
- Engine Oil
- 4 gal (US)
- Swing Drive - Each
- 1.6 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
- 1.19 m ³ (1.56 yd³)
- Shipping Height - Top of Cab
- 9.7 ft
- Handrail Height
- 9.7 ft
- Shipping Length
- 31.3 ft
- Tail Swing Radius
- 9.3 ft
- Counterweight Clearance
- 3.4 ft
- Ground Clearance
- 1.5 ft
- Track Length
- 14.6 ft
- Length to Center of Rollers
- 11.7 ft
- Track Gauge
- 7.8 ft
- Transport Width
- 9.8 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.
-
- Cab
-
- Rollover protective structure (ROPS)
- Air-adjustable seat with heat (Deluxe only)
- Auto-adjustable seat with heat and air ventilation (Premium only)
- High-resolution 254 mm (10 inch) LCD touchscreen monitor
-
- Cat Technology
-
- VisionLink®
- Remote Flash
- Remote Troubleshoot
- Cat Grade 2D
- Cat Assist
- Cat Payload
-
- Electrical System
-
- 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 twin turbo diesel engine
- Three selectable power modes
- Automatic engine speed control
- 52°C (126°F) ambient cooling capacity
- -32°C (-25°F) cold start capability
- Double element air filter with integrated precleaner
- Reversing electric cooling fans
-
- Hydraulic System
-
- Boom and stick regeneration circuits
- Auto warm up
- Auto two-speed travel
- Auto dig boost
- Boom and stick drift reduction valve
-
- Safety And Security
-
- 2D E-Fence
- Auto hammer stop
- Rearview and right-side-view 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
-
- Tie-down points on base frame
Optional Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
-
- Booms And Sticks
-
- 5.7 m (18'8") Reach boom
- 5.7 m (18'8") HD Reach boom
- 2.8 m (9'2") Stub + 3.3 m (10'10") Fore, VA boom
- 8.85 m (29'0") Super Long Reach boom
- 2.5 m (8'2") Reach stick
- 2.9 m (9'6") Reach stick
- 2.5 m (8'2") HD Reach stick
- 2.9 m (9'6") HD Reach stick
- 2.9 m (9'6") HD Thumb Ready Reach stick
- 6.28 m (20'7") Super Long Reach stick
-
- Cab
-
- Cat Stick Steer
- Auxiliary relay
-
- Cat Technology
-
- VisionLink Productivity
- Cat Grade Connectivity
- Cat Grade 2D with Attachment Ready Option (ARO)
- Cat Grade 3D single GNSS
- Cat Grade 3D dual GNSS
- Cat Tilt Rotator (TRS) Integration
- Operator Coaching
-
- Hydraulic System
-
- Boom and stick lowering check valves
- SmartBoom™ (Europe only)
- Hammer return filter circuit
- Hydraulic efficiency monitoring
- Advanced tool control (two pump, one/two way high-pressure flow)
- Medium-pressure circuit
- Quick coupler circuit for Cat pin grabber
-
- Safety And Security
-
- Cat Command (remote control)
- 360° visibility
- Swing alarm
- Inspection lighting
-
- 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
- 4200 kg (9,300 lb) counterweight
- 4700 kg (10,400 lb) counterweight
Specifications
Engine
- Net Power - ISO 9249
- 172 hp
- Net Power - ISO 9249 (DIN)
- 175 hp (metric)
- Engine Model
- Cat C4.4
- Engine Power - ISO 14396
- 174 hp
- Engine Power - ISO 14396 (DIN)
- 176 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
- 49,800 lb
- Note
- Reach boom, R2.9 (9'6") stick, Heavy Duty (HD) 1.19 m ³ (1.56 yd³) bucket 790 mm (31") triple grouser shoes, 4,200 kg (10,400 lb) counterweight.
Working Ranges & Forces
- Maximum Digging Depth
- 22 ft
- Boom
- Reach 5.7 m (18'8")
- Stick
- Reach 2.9 m (9'6")
- Bucket
- 1.19 m ³ (1.56 yd³)
- Maximum Reach at Ground Level
- 32.3 ft
- Maximum Cutting Height
- 30.7 ft
- Maximum Loading Height
- 21.3 ft
- Minimum Loading Height
- 7.1 ft
- Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
- 21.5 ft
- Maximum Vertical Wall Digging Depth
- 17 ft
- Bucket Digging Force - ISO
- 38,811 lbf
- Stick Digging Force - ISO
- 23,911 lbf
Hydraulic System
- Main System - Maximum Flow
- 429 l/min (113 gal/min)
- Maximum Pressure - Equipment
- 5,075 psi
- Maximum Pressure - Travel
- 4,974 psi
- Maximum Pressure - Swing
- 3,988 psi
Swing Mechanism
- Maximum Swing Torque
- 60,300 ft·lbf
Service Refill Capacities
- Fuel Tank Capacity
- 86.6 gal (US)
- Cooling System
- 6.6 gal (US)
- Engine Oil
- 4 gal (US)
- Swing Drive - Each
- 1.6 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
- 1.19 m ³ (1.56 yd³)
- Shipping Height - Top of Cab
- 9.7 ft
- Handrail Height
- 9.7 ft
- Shipping Length
- 31.3 ft
- Tail Swing Radius
- 9.3 ft
- Counterweight Clearance
- 3.4 ft
- Ground Clearance
- 1.5 ft
- Track Length
- 14.6 ft
- Length to Center of Rollers
- 11.7 ft
- Track Gauge
- 7.8 ft
- Transport Width
- 9.8 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.
-
- Cab
-
- Rollover protective structure (ROPS)
- Air-adjustable seat with heat (Deluxe only)
- Auto-adjustable seat with heat and air ventilation (Premium only)
- High-resolution 254 mm (10 inch) LCD touchscreen monitor
-
- Cat Technology
-
- VisionLink®
- Remote Flash
- Remote Troubleshoot
- Cat Grade 2D
- Cat Assist
- Cat Payload
-
- Electrical System
-
- 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 twin turbo diesel engine
- Three selectable power modes
- Automatic engine speed control
- 52°C (126°F) ambient cooling capacity
- -32°C (-25°F) cold start capability
- Double element air filter with integrated precleaner
- Reversing electric cooling fans
-
- Hydraulic System
-
- Boom and stick regeneration circuits
- Auto warm up
- Auto two-speed travel
- Auto dig boost
- Boom and stick drift reduction valve
-
- Safety And Security
-
- 2D E-Fence
- Auto hammer stop
- Rearview and right-side-view 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
-
- Tie-down points on base frame
Optional Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
-
- Booms And Sticks
-
- 5.7 m (18'8") Reach boom
- 5.7 m (18'8") HD Reach boom
- 2.8 m (9'2") Stub + 3.3 m (10'10") Fore, VA boom
- 8.85 m (29'0") Super Long Reach boom
- 2.5 m (8'2") Reach stick
- 2.9 m (9'6") Reach stick
- 2.5 m (8'2") HD Reach stick
- 2.9 m (9'6") HD Reach stick
- 2.9 m (9'6") HD Thumb Ready Reach stick
- 6.28 m (20'7") Super Long Reach stick
-
- Cab
-
- Cat Stick Steer
- Auxiliary relay
-
- Cat Technology
-
- VisionLink Productivity
- Cat Grade Connectivity
- Cat Grade 2D with Attachment Ready Option (ARO)
- Cat Grade 3D single GNSS
- Cat Grade 3D dual GNSS
- Cat Tilt Rotator (TRS) Integration
- Operator Coaching
-
- Hydraulic System
-
- Boom and stick lowering check valves
- SmartBoom™ (Europe only)
- Hammer return filter circuit
- Hydraulic efficiency monitoring
- Advanced tool control (two pump, one/two way high-pressure flow)
- Medium-pressure circuit
- Quick coupler circuit for Cat pin grabber
-
- Safety And Security
-
- Cat Command (remote control)
- 360° visibility
- Swing alarm
- Inspection lighting
-
- 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
- 4200 kg (9,300 lb) counterweight
- 4700 kg (10,400 lb) counterweight