Cat Excavators:

320 GC Hydraulic Excavator

Bucket Digging Force (ISO)
21678 lbf
Engine Model
Cat C4.4 ACERT
Net Flywheel Power
143 HP
Bore
4 in

The Cat® 320 GC excavator balances productivity with easy-to-use technology features, a new comfortable cab, reduced fuel consumption by up to 20%, and longer maintenance intervals reducing maintenance costs by up to 15% to bring you a durable, low-cost-per-hour excavator for light- to medium-duty applications.



Product Specs

  • Working Ranges - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick

  • Bucket Digging Force (ISO)
    21678lbf
    Bucket Digging Force (ISO)
    28935lbf
    Maximum Cutting Height
    31ft
    Bucket Digging Force (SAE)
    25759lbf
    Maximum Depth Cut for 2440 mm (8'0") Level Bottom
    21.5ft
    Stick Digging Force (ISO)
    22281lbf
    Maximum Digging Depth
    22ft
    Stick Digging Force (SAE)
    21678lbf
    Maximum Loading Height
    21.3ft
    Maximum Reach - Ground Level
    32.3ft
    Maximum Vertical Wall Digging Depth
    18.7ft
    Minimum Loading Height
    7.1ft
  • Engine

  • Engine Model
    Cat C4.4 ACERT
    Net Flywheel Power
    143HP
    Bore
    4in
    Stroke
    5in
    Displacement
    269in³
    Gross Power - SAE J1995
    145HP
    Net Power - SAE J1349
    143HP
    Engine RPM - Operation
    1650r/min
    Engine RPM - Travel
    2000r/min
  • Weights

  • Note (1)
    Standard Undercarriage, Reach Boom, R 2.9 (9'6")Stick, HD 1.0 m3 (1.31yd3 ) bucket and 790mm(31 ") TG shoes, Counterweight (4.2mt / 9,260lb)
    Operating Weight - North America
    48281lb
    Note (2)
    Standard Undercarriage, Reach Boom, R 2.9 (9'6")Stick, HD 1.0 m3 (1.31yd3 ) bucket and 700mm(28 ") TG shoes, Counterweight (4.2mt / 9,260lb)
    Operating Weight - Europe
    46958lb
  • Service Refill Capacities

  • Fuel Tank Capacity
    86.6gal (US)
    Cooling System
    6.6gal (US)
    Engine Oil
    4gal (US)
    Final Drive - Each
    1.3gal (US)
    Hydraulic System - Including Tank
    61.8gal (US)
    Hydraulic Tank
    30.4gal (US)
    DEF Tank
    10.3gal (US)
    Swing Drive - Each
    1.3gal (US)
  • Swing

  • Maximum Swing Torque
    54440ft·lbf
    Swing Speed
    11.6r/min
  • Drive

  • Maximum Drawbar Pull
    46131lbf
    Maximum Travel Speed
    3.6mile/h
    Maximum Gradeability
    35°--70%
  • Hydraulic System

  • Main System - Maximum Flow - Total
    116gal/min
    Maximum Pressure - Equipment - Normal
    5075psi
    Maximum Pressure - Swing
    3886psi
    Maximum Pressure - Travel
    4974psi
  • Dimensions - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick

  • Counterweight Clearance
    3.4ft
    Note
    With HD 1.0m3 bucket and 790 mm shoes.
    Shipping Height
    9.7ft
    Shipping Length
    31.3ft
    Track Gauge
    7.2ft
    Track Length - Center of Rollers
    10.7ft
    Transport Width - 790 mm (31 in) Shoes
    10.4ft
  • Dimensions - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick

  • Ground Clearance
    1.5ft
    Tail Swing Radius
    9.3ft

Equipment

  • Engine
    • Cat C4.4 ACERT electronically-controlled turbo-charged Tier 4 Final diesel engine
    • Meets U.S. EPA Tier 4 Final and EU Stage IV emissions standards.
    • Two selectable power modes
    • One-touch low idle with automatic engine speed control
    • Automatic engine idle shutdown
    • Recommended for use up to 4500 m altitude (14,764 ft) with engine power derate above 3000 m (9,842.5 ft).
    • 52° C (125° F) high-ambient cooling capacity
    • Cold starting capability for - 32° C (- 25° F)
    • Double element air filter with integrated pre-cleaner
    • Electric fuel priming pump
    • Reversible electric cooling fans
    • Biodiesel capability up to B20
  • Hydraulic System
    • Boom and stick regeneration circuits
    • Electronic main control valve
    • Auto warm up
    • Automatic two-speed travel
    • Boom and stick drift reduction valve
    • Element type main hydraulic filter
    • 3 Buttons Joysticks
    • Electronic main pump
    • Electric refueling pump(Europe only)
  • Standard Comfort Cab
    • ROPS, standard sound suppression
    • High-resolution 8 " (203 mm) LCD touchscreen monitor
    • Automatic Bi-level air conditioner
    • Jog dial and shortcut keys for monitor control
    • Keyless push-to-start engine control
    • Height-adjustable console, 3-steps with tool
    • Mechanically adjustable seat suspension
    • Seat belt, retractable (51 mm [2"] width)
    • Fixed left side console
    • Bluetooth® integrated radio with USB ports
    • 12V DC outlets
    • Document storage
    • Cup and bottle holders
    • Two-piece front window, openable
    • Steel hatch, openable
    • Upper radial wiper with 70/30 w/washer
    • LED dome and lower interior lights
    • Roller front sunscreen
    • Beacon ready
    • Washable floor mat
    • Straight travel pedal (US Only)
  • Undercarriage And Structures
    • Tiedown points on base frame (ISO 15818 Compliant)
    • Standard bottom guards
    • Standard travel motor guards
    • Grease lubricated track links
    • (4200 kg ( 9,260lb) counterweight
    • Standard swing frame
    • Standard swing bearing
    • Base frame with standard track rollers and standard carrier rollers
    • Final drive with standard travel motor
  • Electrical
    • Machine electronic control module (x2)
    • 1000 CCA maintenance-free batteries (x2)
    • Centralized electrical disconnect switch
    • Programmable time-delay LED working lights
    • LED chassis light, LH boom light for reach-850 lumens
  • Boom, Sticks And Linkages
    • 5.7 m (18'8") reach boom
    • 2.9 m (9'6") stick
    • 790 mm (31" ) triple grouser track shoes
    • Bucket linkage, B1-family with lifting eye
  • Safety & Security
    • Rearview camera and side RH mirror
    • Rear and right hand sideview camera (Europe)
    • Neutral lever (lock out) for all controls
    • Anti-skid plate and countersunk bolts on service platform
    • Ground-level accessible secondary engine shutoff switch in cab
    • RH hand rail and hand hold (ISO 2867 compliant)
    • Travel alarm (US only)
  • Service & Maintenance
    • Sampling ports for Scheduled Oil Sampling (S·O·S℠)
    • Grouped location for engine oil and fuel filters
    • Ground level 2nd dipstick for engine oil
    • Remote flash
  • Cat Connect Technology
    • Cat Product Link
  • Hydraulic System
    • Hammer return filter circuit
    • Combined flow/high pressure aux circuit
    • Simplified combined Circuit (2 Way)
    • Quick coupler circuit for Cat Pin Grabber
    • Slider joysticks
    • Smart boom (Europe only)
  • Electrical System
    • LED chassis light, LH & RH boom lights for reach, cab lights- 850 lumens
  • Standard Comfort Cab
    • Roller rear suncreen
  • Safety & Security
    • Radiator screen
    • RH side mirror for use with RH sideview camera or 360° visibility (Europe)
  • Bucket
    • Heavy duty buckets 1.0m3(1.31yd3)

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