323 Hydraulic Excavator

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The Cat® 323 delivers power, speed, and high production performance. With more standard technology than previous models, plus reduced fuel and maintenance costs, the Cat 323 has all you need to take your business to the next level.

From: $301,122.36*

* 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 428in³
Engine Model Cat C7.1e TA
Engine Power - ISO 14396 174HP
Net Power - ISO 9249 172HP
Stroke 5in
Operating Weight 54900lb
Boom Reach 5.7 m (18'8")
Bucket HD 1.30 m³ (1.71 yd³)
Bucket Digging Force - ISO 34308lbf
Maximum Cutting Height 31ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.6ft
Maximum Digging Depth 22.1ft
Maximum Loading Height 21.3ft
Maximum Reach at Ground Level 32.4ft
Maximum Vertical Wall Digging Depth 18.8ft
Minimum Loading Height 7.1ft
Stick Reach 2.9 m (9'6")
Stick Digging Force - ISO 26094lbf
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
Swing Speed 11.25r/min
Cooling System 6.6gal (US)
DEF Tank 10.8gal (US)
Engine Oil 6.6gal (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 HD 1.30 m³ (1.71 yd³)
Counterweight Clearance 3.5ft
Ground Clearance 1.7ft
Handrail Height 9.9ft
Length to Center of Rollers 12ft
Shipping Height - Top of Cab 9.9ft
Shipping Length 31.3ft
Stick Reach 2.9 m (9'6")
Tail Swing Radius 9.3ft
Track Gauge 7.9ft
Track Length 14.7ft
Transport Width 9.9ft

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Rollover protective structure (ROPS)
    • Air-adjustable seat with heat (Deluxe only)
    • Auto-adjustable seat with heat and air ventilation (Premium only)
    • High-resolution 254 mm (10 in) LCD touchscreen monitor
  • Cat Technology
    • Cat Product Link
    • Remote Flash
    • Remote Troubleshoot
    • Cat Grade with 2D
    • Cat Grade with Assist
    • Cat Payload
    • E-Fence
    • Lift assist
  • 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
  • Engine
    • Cat 7.1 single turbo diesel engine
    • Three selectable power modes
    • Automatic engine speed control
    • 46°C (115°F) high-ambient cooling capacity (Europe only)
    • 52°C (125°F) high-ambient cooling capacity
    • -18°C (0°F) cold start capability
    • Double element air filter with integrated precleaner
    • Reversing electric cooling fans
    • Biodiesel capability up to B20
  • Hydraulic System
    • Boom and stick regeneration circuits
    • Auto hydraulic warm up
    • Auto two-speed travel
    • Boom and stick drift reduction valve
    • Auto dig boost
    • Auto heavy lift
  • Safety And Security
    • Rear and right-hand-sideview cameras
    • Ground-level engine shutoff switch
    • Right-hand handrail and handhold
    • Signaling/warning horn
  • Service And Maintenance
    • Sampling ports for Scheduled Oil Sampling (S·O·S℠)
    • Ground-level and platform-level engine oil dipsticks
  • Undercarriage And Structures
    • Tie-down points on base frame

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Booms And Sticks
    • 5.7 m (18'8") Reach boom
    • 5.7 m (18'8") HD Reach boom
    • 2.7 m (8'10") stub + 3.3 m (10'10") fore, Variable Angle boom
    • 8.85 m (29'0") Super Long Reach boom
    • 2.5 m (8'2") Reach stick
    • 2.9 m (9'6") Reach stick
    • 2.5 m (8'2") HD Reach stick (Turkey only)
    • 2.9 m (9'6") HD Reach stick (Turkey only)
    • 3.9 m (12'10") Reach stick
    • 2.9 m (9'6") HD Thumb Ready Reach stick
    • 6.28 m (20'7") Super Long Reach stick
  • Cab
    • Cat Stick Steer
    • Auxiliary relay
  • Cat Technology
    • Cat Grade with Advanced 2D
    • Cat Grade with single GNSS
    • Cat Grade with 3D dual GNSS
  • Engine
    • -32°C (-25°F) cold start capability
  • Hydraulic System
    • Boom and stick lowering check valves
    • Hammer return filter circuit
    • Advanced tool control (two pump, one/two way high-pressure flow)
    • Medium-pressure circuit
    • Quick coupler circuit for Cat Pin Grabber
  • Safety And Security
    • Cat Detect People Detection
    • 360° visibility
    • Swing alarm
    • Cat Command remote control
    • Inspection lighting
  • Service And Maintenance
    • Integrated vehicle health management system
  • Undercarriage And Structures
    • 600 mm (24") HD triple grouser shoes
    • 700 mm (28") HD triple grouser shoes
    • 790 mm (31") HD triple grouser shoes
    • 900 mm (35") HD triple grouser shoes
    • 4.2 mt (9,300 lb) counterweight
    • 5.4 mt (11,900 lb) counterweight