320 Hydraulic Excavator

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The Cat® 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.

ID Number M23666
Model 320GC
Model Year 2023
Serial Number 0LKS20292
Location STOCKTON 1521
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Engine

Net Power - ISO 9249 172HP
Engine Model Cat C4.4e TTA
Engine Power - ISO 14396 174HP
Bore 4in
Stroke 5in
Displacement 269in³

Weights

Operating Weight 49600lb

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
  • 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 inch) LCD touchscreen monitor
Cat Technology
  • Cat Product Link
  • Remote Flash
  • Remote Troubleshoot
  • Cat Grade with 2D
  • Cat Assist
  • Cat Payload
  • E-Fence
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 C4.4 twin turbo diesel engine
  • Three selectable power modes
  • Automatic engine speed control
  • 52°C (126°F) ambient cooling capacity
  • -32°C (-25°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 warm up
  • Auto two-speed travel
  • Auto dig boost
  • Boom and stick drift reduction valve
Safety And Security
  • Rearview and right-side-view cameras
  • Ground-level engine shutoff switch
  • Right-hand handrail and hand hold
  • 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
  • 2.8 m (9'2") Stub + 3.3 m (10'10") Fore, VA 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
  • 2.9 m (9'6") HD 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 3D single GNSS
  • Cat Grade with 3D dual GNSS
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
  • Cat Command remote control
  • Swing alarm
  • Inspection lighting
Service And Maintenance
  • Integrated vehicle health management system
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
  • 4.2 mt (9,300 lb) counterweight
  • 4.7 mt (10,400 lb) counterweight
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