320 Hydraulic Excavator

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.

From: $271,020.33*

* Taxes, shipping & handling, surcharges, assembly charges, destination, freight and/or delivery charges are not included. This is not an offer for sale. Displayed pricing is for informational purposes only. The pricing shown above utilizes the Manufacturer's Suggested Retail Price (MSRP) that is published for the machine (without any attachments or protection plans) as described above. The actual prices and terms and conditions of sale for all products are to be solely determined by the selling

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Bore 4in
Displacement 269in³
Engine Model Cat C4.4e TTA
Engine Power - ISO 14396 173HP
Net Power - ISO 9249 172HP
Stroke 5in
Operating Weight 50265lb
Boom Reach 5.7 m (18'8")
Bucket 1.19 m ³ (1.56 yd³)
Bucket Digging Force - ISO 38811lbf
Maximum Cutting Height 30.8ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.5ft
Maximum Digging Depth 22.1ft
Maximum Loading Height 21.4ft
Maximum Reach at Ground Level 32.4ft
Maximum Vertical Wall Digging Depth 17ft
Minimum Loading Height 7.1ft
Stick Reach 2.9 m (9'6")
Stick Digging Force - ISO 23911lbf
Main System - Maximum Flow 429 l/min (113 gal/min)
Maximum Pressure - Equipment 5075psi
Maximum Pressure - Swing 3988psi
Maximum Pressure - Travel 4974psi
Maximum Swing Torque 60300ft·lbf
Cooling System 6.6gal (US)
DEF Tank 10.3gal (US)
Engine Oil 4gal (US)
Final Drive - Each 1.3gal (US)
Fuel Tank Capacity 86.6gal (US)
Hydraulic System - Including Tank 61.8gal (US)
Hydraulic Tank 30.4gal (US)
Swing Drive - Each 3.2gal (US)
Boom Reach 5.7 m (18'8")
Bucket 1.19 m ³ (1.56 yd³)
Counterweight Clearance 3.4ft
Ground Clearance 1.6ft
Handrail Height 9.8ft
Length to Center of Rollers 12ft
Shipping Height - Top of Cab 9.8ft
Shipping Length 31ft
Stick Reach 2.9 m (9'6")
Tail Swing Radius 9.3ft
Track Gauge 7.9ft
Track Length 14.7ft
Transport Width 9.8ft

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • ROPS, sound suppression
    • Mechanically adjustable seat
    • High-resolution 203 mm (8 in) LCD touchscreen monitor
  • Cat Technology
    • Cat Product Link
    • Cat GRADE with 2D
  • Cat Technology
    • Cat GRADE with Assist
    • Cat PAYLOAD
    • 2D E-Fence
    • Lift Assist
    • Auto Dig Boost
    • Remote troubleshoot
  • Engine
    • Three selectable power modes
    • Auto 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
  • 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)
    • Ground-level and platform-level engine oil dipsticks
  • Safety And Security
    • 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:

  • 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