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Ziegler CAT

323 Hydraulic Excavator

The Cat® 323 combines speed, efficiency, and power. Standard technology right from the factory help boost operator efficiency by up to 45%. Combine these features with a new cab, longer maintenance intervals and reduced fuel consumption to lower maintenance costs by up to 15% and fuel consumption by up to 20 percent.

Brand: Caterpillar



  • 320 Family Introduction Video
  • 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

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 C7.1
    Engine Power - ISO 14396 164 HP
    Bore 4 in
    Stroke 5 in
    Displacement 428 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 3886 psi
  • Swing Mechanism
    Swing Speed 11.25 r/min
    Maximum Swing Torque 54440 ft·lbf
  • Weights
    Operating Weight 56200 lb
  • Service Refill Capacities
    Fuel Tank Capacity 86.6 gal (US)
    Cooling System 6.6 gal (US)
    Engine Oil 6.6 gal (US)
    Swing Drive - Each 1.3 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 10.8 gal (US)
  • Dimensions
    Boom Reach 5.7 m (18'8")
    Stick Reach 2.9 m (9'6")
    Bucket HD 1.19 m³ (1.56 yd³)
    Shipping Height - Top of Cab 9.9 ft
    Handrail Height 9.8 ft
    Shipping Length 31.3 ft
    Tail Swing Radius 9.3 ft
    Counterweight Clearance 1.7 ft
    Ground Clearance 1.7 ft
    Track Length 14.7 ft
    Length to Center of Rollers 12 ft
    Track Gauge 7.9 ft
    Transport Width 9.9 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 HD 1.19 m³ (1.56 yd³)
    Maximum Reach at Ground Level 32.4 ft
    Maximum Cutting Height 31 ft
    Maximum Loading Height 21.3 ft
    Minimum Loading Height 7.1 ft
    Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.6 ft
    Maximum Vertical Wall Digging Depth 18.8 ft
    Bucket Digging Force - ISO 38811 lbf
    Stick Digging Force - ISO 23911 lbf