320 Hydraulic Excavator
The Cat® 320 excavator brings premium performance with simple-to-use technologies like Cat GRADE with 2D, Grade Assist, and Payload – all standard equipment from the factory to boost your operator efficiencies up to 45%. Combine these features with a new cab, longer maintenance intervals that lower your maintenance costs up to 15%, and a power system that reduces fuel consumption by up to 25% and you have a low-cost-per-unit-of-production excavator that’s perfect for medium- to heavy-duty applications.
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Engine
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- Engine Model
- Cat C4.4 ACERT
- Net Flywheel Power
- 162hp
- Net Power - SAE J1349/ISO 9249
- 162HP
- Engine Model
- Cat C4.4
- Net Flywheel Power
- 162HP
- Bore
- 4in
- Stroke
- 5in
- Displacement
- 269in³
- Gross Power - SAE J1995
- 164mm H2O
- Net Power - SAE J1349
- 162mm H2O
- Engine RPM - Operation
- 1650r/min
- Engine RPM - Travel
- 1800r/min
- Gross Power – SAE J1995
- 164hp
- Net Power – SAE J1349
- 162hp
- Bore
- 4in
- Stroke
- 5in
- Displacement
- 269in3
- Engine Power - ISO 14396
- 164HP
- Engine rpm: Operation
- 1650rpm
- Engine rpm: Travel
- 1800rpm
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Weights
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- Operating Weight- North America
- 50100lb
- Operating Weight
- 50265lb
- Note (1)
- Reach boom, R2.9 (9'6") stick, HD 1.19 m3 (1.56 yd3) bucket and 790 mm (31 in) triple grouser shoes, 4.2 mt (9,300 lb) counterweight
- Operating Weight - North America
- 49600lb
- Note (2)
- Reach boom, R2.9 (9'6") stick, HD 1.19 m3 (1.56 yd3) bucket and 600 mm (24 in) triple grouser shoes, 4.2 mt (9,300 lb) counterweight
- Note
- Long undercarriage, Reach boom, R2.9 (9'6") stick, HD 1.19 m3 (1.56 yd3) bucket and 790 mm (31 in) triple grouser shoes, 4.2 mt (9,300 lb) counterweight
- Operating Weight - Europe/Australia & New Zealand
- 48300lb
- Note
- Long undercarriage, Reach boom, R2.9 (9'6") stick, HD 1.19 m3 (1.56 yd3) bucket and 600 mm (24 in) triple grouser shoes, 4.2 mt (9,300 lb) counterweight
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Dimensions: Reach Boom 5.7 m (18'8"); R2.9 (9'6") Stick
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- Tail Swing Radius
- 9.3ft
- Ground Clearance
- 1.5ft
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Dimensions: Reach Boom 5.7 m (18'8"); R2.9 (9'6") Stick
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- Length to Center of Rollers
- 12.0ft
- Track Length
- 12.0ft
- Track Gauge
- 9.3ft
- Transport Width: 600 mm (24 in) Shoes
- 9.8ft
- Transport Width: 700 mm (28 in) Shoes
- 10.1ft
- Transport Width: 790 mm (31 in) Shoes
- 10.4ft
- Counterweight Clearance
- 3.4ft
- Note
- With GD 0.8m3 bucket and 790 mm (35") shoes.
- Note
- Reach boom as same dimensions as HD reach boom
- Shipping Height
- 10.2ft
- Shipping Length
- 31.3ft
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Working Ranges: Reach Boom 5.7 m (18'8"); R2.9 (9'6") Stick
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- Maximum Digging Depth
- 22ft
- Maximum Reach at Ground Level
- 32.3ft
- Maximum Cutting Height
- 30.7ft
- Maximum Loading Height
- 21.3ft
- Minimum Loading Height
- 7.1ft
- Maximum Depth Cut for 2440 mm (8'0") Level Bottom
- 21.5ft
- Maximum Vertical Wall Digging Depth
- 17ft
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Working Ranges - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick
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- Bucket Digging Force (ISO)
- 103kN
- Maximum Cutting Height
- 30.7ft
- Maximum Depth Cut for 2440 mm (8'0") Level Bottom
- 21.5ft
- Maximum Digging Depth
- 22ft
- Maximum Loading Height
- 21.3ft
- Maximum Reach - Ground Level
- 32.3ft
- Maximum Vertical Wall Digging Depth
- 17ft
- Minimum Loading Height
- 7.1ft
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Working Ranges & Forces
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- Stick Digging Force - ISO
- 23911lbf
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Hydraulic System
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- Main System - Maximum Flow - Implement
- 113gal/min
- Maximum Pressure - Equipment - Heavy Lift Mode
- 5510psi
- Main System - Maximum Flow - Total
- 113gal/min
- Maximum Pressure - Swing
- 3988psi
- Maximum Pressure - Travel
- 4974psi
- Main System – Maximum Flow (Total)
- 113gal/min
- Maximum Pressure - Equipment - Normal
- 5075psi
- Maximum Pressure – Travel
- 4974psi
- Maximum Pressure – Swing
- 3886psi
- Main System - Maximum Flow
- 429 l/min (113 gal/min)
- Maximum Pressure - Equipment
- 5075psi
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Dimensions
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- Shipping Length
- 31ft
- Tail Swing Radius
- 9.3ft
- Ground Clearance
- 1.6ft
- Track Gauge
- 7.9ft
- Counterweight Clearance
- 3.4ft
- Track Length
- 14.7ft
- Transport Width
- 9.8ft
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Service Refill Capacities
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- Fuel Tank Capacity
- 86.6gal (US)
- Cooling System
- 6.6gal (US)
- Engine Oil
- 4gal (US)
- Final Drive - Each
- 1.3gal (US)
- Hydraulic System - Including Tank
- 61.8gal (US)
- Hydraulic Tank
- 30.4gal (US)
- DEF Tank
- 10.3gal (US)
- Swing Drive - Each
- 3.2gal (US)
- Fuel Tank Capacity
- 96.2gal
- Cooling System
- 6.6gal
- Engine Oil
- 4.0gal
- Swing Drive (each)
- 1.3gal
- Final Drive (each)
- 1.3gal
- Hydraulic System (including tank)
- 57.6gal
- Hydraulic Tank
- 30.4gal
- DEF Tank
- 7.9gal
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Swing
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- Maximum Swing Torque
- 54440ft·lbf
- Swing Speed
- 11.25r/min
- Swing Speed
- 11.25rpm
- Maximum Swing Torque
- 54440lbf-ft
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Drive
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- Maximum Drawbar Pull
- 46311lbf
- Maximum Travel Speed
- 3.5mile/h
- Maximum Gradeability
- 35°--70%
- Maximum gradeability
- 35°--70%
- Maximum Travel Speed
- 3.5mph
- Maximum Drawbar Pull
- 46311lbf
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Dimensions - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick
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- Counterweight Clearance
- 3.4ft
- Length - Center of Rollers
- 12ft
- Note (1)
- With GD 0.8m3 bucket and 790 mm (35") shoes.
- Note (2)
- Reach boom as same dimensions as HD reach boom
- Shipping Height
- 9.7ft
- Shipping Length
- 31.3ft
- Track Gauge
- 7.8ft
- Track Length
- 12ft
- Transport Width - 600 mm (24 in) Shoes
- 9.8ft
- Transport Width - 700 mm (28 in) Shoes
- 10.1ft
- Transport Width - 790 mm (31 in) Shoes
- 10.4ft
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Dimensions - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick
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- Ground Clearance
- 1.5ft
- Tail Swing Radius
- 9.3ft
Standard Equipment:
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- Cab
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- ROPS, sound suppression
- Mechanically adjustable seat
- High-resolution 203 mm (8 in) LCD touchscreen monitor
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- Cat Technology
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- Cat Product Link
- Cat GRADE with 2D
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- Cat Technology
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- Cat GRADE with Assist
- Cat PAYLOAD
- 2D E-Fence
- Lift Assist
- Remote flash
- Remote troubleshoot
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- Engine
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- Three selectable power modes
- Automatic engine speed control
- 52°C (126°F) ambient cooling capacity
- -32°C (-25°F) cold start capability
- Reversing electric cooling fans
- Biodiesel capability up to B20
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- Hydraulic System
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- Boom and stick regeneration circuits
- Slide joysticks
- Auto hydraulic warm up
- Auto two-speed travel
- Boom and stick drift reduction valve
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- Boom And Sticks
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- 5.7 m (18'8") reach boom, 2.9 m (9'6") stick
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- Undercarriage And Structures
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- Tie-down points on base frame
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- Electrical System
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- Two 1,000 CCA maintenance-free batteries
- Programmable time-delay LED working lights
- LED chassis light, left-hand/right-hand boom lights, cab lights
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- Service And Maintenance
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- Sampling ports for Scheduled Oil Sampling (S·O·S)
- Ground-level and platform-level engine oil dipsticks
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- Safety And Security
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- Rear and right-hand-sideview cameras
- Signaling/warning horn
- Right-hand mirror
- Ground-level engine shutoff switch
- Right-hand handrail and hand hold
- Signaling/warning horn
Optional Equipment:
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- Cab
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- Air-adjustable seat with heat (Deluxe only)
- High-resolution 254 mm (10 in) LCD touchscreen monitor
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- Cat Technology
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- Cat GRADE with Advanced 2D (not available on SLR)
- Cat GRADE with 3D (not available on SLR)
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- Engine
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- 52°C (125°F) high-ambient cooling capacity
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- Hydraulic System
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- Boom and stick lowering check valves
- Hammer return filter circuit
- Combined flow/high-pressure auxiliary circuit
- Medium-pressure circuit
- Quick coupler circuit for Cat Pin Grabber
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- Boom And Sticks
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- 8.85 m (29'0") SLR boom, 6.28 m (20'7") SLR stick
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- Undercarriage And Structures
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- 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 for HD boom and stick
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- Safety And Security
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- Right-hand-side camera
- 360° visibility
