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Ziegler CAT

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.

Brand: Caterpillar



  • 320 GC, 320, 323 - Next Generation Cat® Excavators: More Choices to Match your Work
  • Next Generation Excavator Cat® Connect Technology
  • Cat® Next Generation Excavators: Walkaround 320 Size Class
  • Cat® Next Generation Excavators: Vision
  • Cat® Next Generation Excavators: Manufacturing
  • Cat® Next Generation Excavators: Design
  • Cat 320® Next Generation Excavator Delivers More for Gameon 2 Contractors
  • Cat 320® Next Generation Excavator Delivers More for Schwarz Excavations

360° View


360° Exterior view. Double click on the image to zoom in on any area of the product.


360° interior view. Double click on the image to zoom in on any area of the product.


  • Engine
    Engine Power - ISO 9249 162 HP
    Engine Model Cat C4.4
    Engine Power - ISO 14396 164 HP
    Bore 4 in
    Stroke 5 in
    Displacement 269 in³
  • Hydraulic System
    Main System - Maximum Flow 429 l/min (113 gal/min)
    Maximum Pressure - Equipment 5075 psi
    Maximum Pressure - Travel 4974 psi
    Maximum Pressure - Swing 3988 psi
  • Weights
    Operating Weight 50265 lb
  • Service Refill Capacities
    Fuel Tank Capacity 86.6 gal (US)
    Cooling System 6.6 gal (US)
    Engine Oil 4 gal (US)
    Swing Drive - Each 3.2 gal (US)
    Final Drive - Each 1.3 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 9.8 ft
    Handrail Height 9.8 ft
    Shipping Length 31 ft
    Tail Swing Radius 9.3 ft
    Counterweight Clearance 3.4 ft
    Ground Clearance 1.6 ft
    Track Length 14.7 ft
    Length to Center of Rollers 12 ft
    Track Gauge 7.9 ft
    Transport Width 9.8 ft
  • Working Ranges & Forces
    Maximum Digging Depth 22.1 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 32.4 ft
    Maximum Cutting Height 30.8 ft
    Maximum Loading Height 21.4 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 38811 lbf
    Stick Digging Force - ISO 23911 lbf