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Caterpillar

320 Hydraulic Excavator

Net Power - ISO 9249

172 HP

Operating Weight

49600 lb

Maximum Digging Depth

22.1 ft

Overview

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.

Photos

Videos

  • 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
  • Stick Steer for Cat® Excavators

360° View

Exterior

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

Interior

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

Showroom

Virtual Product Tour. Double click on the hotspots to see in on any area of the product.

Features

Specifications

  • Engine
    Spec Value
    Net Power - ISO 9249 172 HP
    Engine Model Cat C4.4e TTA
    Engine Power - ISO 14396 174 HP
    Bore 4 in
    Stroke 5 in
    Displacement 269 in³
  • Hydraulic System
    Spec Value
    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
  • Swing Mechanism
    Spec Value
    Maximum Swing Torque 60300 ft·lbf
  • Weights
    Spec Value
    Operating Weight 49600 lb
  • Service Refill Capacities
    Spec Value
    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
    Spec Value
    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
    Spec Value
    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

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