320 Hydraulic Excavator
360° Exterior View
360° Interior View
At a Glance
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Overview
The 320 raises the bar for efficiency and fuel economy in this size class. With the industry’s highest level of standard factory technology, a new cab focused on operator comfort, plus lower fuel and maintenance costs, the 320 will set a new pace for productivity and profit in your operation.
Engine
+ -Net Power - ISO 9249 | 172HP |
Engine Model | Cat C4.4e TTA |
Engine Power - ISO 14396 | 173HP |
Bore | 4in |
Stroke | 5in |
Displacement | 269in³ |
Weights
+ -Operating Weight | 50265lb |
Working Ranges & Forces
+ -Maximum Digging Depth | 22.1ft |
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 | 32.4ft |
Maximum Cutting Height | 30.8ft |
Maximum Loading Height | 21.4ft |
Minimum Loading Height | 7.1ft |
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 21.5ft |
Maximum Vertical Wall Digging Depth | 17ft |
Bucket Digging Force - ISO | 38811lbf |
Stick Digging Force - ISO | 23911lbf |
Hydraulic System
+ -Main System - Maximum Flow | 429 l/min (113 gal/min) |
Maximum Pressure - Equipment | 5075psi |
Maximum Pressure - Travel | 4974psi |
Maximum Pressure - Swing | 3988psi |
Swing Mechanism
+ -Maximum Swing Torque | 60300ft·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 | 1.3gal (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 | Reach 2.9 m (9'6") |
Bucket | 1.19 m ³ (1.56 yd³) |
Shipping Height - Top of Cab | 9.8ft |
Handrail Height | 9.8ft |
Shipping Length | 31ft |
Tail Swing Radius | 9.3ft |
Counterweight Clearance | 3.4ft |
Ground Clearance | 1.6ft |
Track Length | 14.7ft |
Length to Center of Rollers | 12ft |
Track Gauge | 7.9ft |
Transport Width | 9.8ft |
Standard Equipment:
Note
+ --
Standard and optional equipment may vary. Consult your Cat dealer for details.
Cab
+ --
ROPS, sound suppression
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Mechanically adjustable seat
-
High-resolution 203 mm (8 in) LCD touchscreen monitor
Cat Technology
+ --
Cat Product Link
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Cat GRADE with 2D
Cat Technology
+ --
Cat GRADE with Assist
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Cat PAYLOAD
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2D E-Fence
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Lift Assist
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Auto Dig Boost
-
Remote troubleshoot
Engine
+ --
Three selectable power modes
-
Auto engine speed control
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52°C (126°F) ambient cooling capacity
-
-32°C (-25°F) cold start capability
-
Reversing electric cooling fans
-
Biodiesel capability up to B20
Hydraulic System
+ --
Boom and stick regeneration circuits
-
Slide joysticks
-
Auto hydraulic warm up
-
Auto two-speed travel
-
Boom and stick drift reduction valve
-
Advanced tool control - Europe only
Boom And Sticks
+ --
5.7 m (18'8") reach boom, 2.9 m (9'6") stick
Undercarriage And Structures
+ --
Tie-down points on base frame
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
Service And Maintenance
+ --
Sampling ports for Scheduled Oil Sampling (S·O·S)
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Ground-level and platform-level engine oil dipsticks
Safety And Security
+ --
Rear and right-hand-sideview cameras
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Signaling/warning horn
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Right-hand mirror
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Ground-level engine shutoff switch
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Right-hand handrail and hand hold
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Signaling/warning horn
Optional Equipment:
Note
+ -Standard and optional equipment may vary. Consult your Cat dealer for details.
Cab
+ -Air-adjustable seat with heat (Deluxe only)
High-resolution 254 mm (10 in) LCD touchscreen monitor
Cat Stick Steer
Cat Technology
+ -Cat GRADE with 3D
Cat GRADE with Advanced 2D (not available on SLR)
Cat GRADE with 3D (not available on SLR)
Safety And Security
+ -Cat Command remote control
Right-hand-side camera
360° visibility
Inspection Lighting
Cat Detect People Detection
Engine
+ -52°C (125°F) high-ambient cooling capacity
Hydraulic System
+ -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
Auto Heavy Lift
Boom And Sticks
+ -8.85 m (29'0") SLR boom, 6.28 m (20'7") SLR stick
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 for HD boom and stick
Electrical System
+ -Premium surround lighting package