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320 GC - Tier 3

320 GC - Tier 3

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

Net Power - ISO 9249 107 kW
Operating Weight 20400 kg
Maximum Digging Depth 6630 mm

Технические характеристики

Net Power - ISO 9249 107 kW
Net Power - ISO 9249 (DIN) 145 hp (metric)
Engine Model Cat C4.4
Engine Power - ISO 14396 108 kW
Engine Power - ISO 14396 (DIN) 147 hp (metric)
Bore 105 mm
Stroke 127 mm
Displacement 4.4 l
Biodiesel Capability Up to B20¹
Emissions Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Note (1) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 2,000 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2) ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. *For use of blends higher than 20% biodiesel, consult your Cat dealer. **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
Operating Weight 20400 kg
Note Medium undercarriage, Reach boom, R2.9 (9'6") stick, General Duty (GD) 1.0 m³ (1.31 yd³) bucket, 600 mm (24") triple grouser shoes, and 3.7 mt (8,200 lb) counterweight.
Working Ranges & Forces
Maximum Digging Depth 6630 mm
Boom Reach 5.7 m (18'8")
Stick Reach 2.9 m (9'6")
Bucket 1.0 m³ (1.31 yd³)
Maximum Reach at Ground Level 9770 mm
Maximum Cutting Height 9440 mm
Maximum Loading Height 6580 mm
Minimum Loading Height 2260 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 6460 mm
Maximum Vertical Wall Digging Depth 6010 mm
Bucket Digging Force - ISO 129 kN
Stick Digging Force - ISO 99 kN
Hydraulic System
Main System - Maximum Flow 429 l/min (113 gal/min)
Maximum Pressure - Equipment 35000 kPa
Maximum Pressure - Travel 34300 kPa
Maximum Pressure - Swing 25000 kPa
Swing Mechanism
Swing Speed 11.3 r/min
Maximum Swing Torque 74.4 kN·m
Service Refill Capacities
Fuel Tank Capacity 345 l
Cooling System 25 l
Engine Oil 15 l
Swing Drive - Each 12 l
Final Drive - Each 4 l
Hydraulic System - Including Tank 234 l
Hydraulic Tank 115 l
Boom Reach 5.7 m (18'8")
Stick Reach 2.9 m (9'6")
Bucket 1.0 m³ (1.31 yd³)
Shipping Height - Top of Cab 2960 mm
Handrail Height 2950 mm
Shipping Length 9530 mm
Tail Swing Radius 2830 mm
Counterweight Clearance 1050 mm
Ground Clearance 470 mm
Track Length 4250 mm
Length to Center of Rollers 3450 mm
Track Gauge 2380 mm
Transport Width 2980 mm

Преимущества и особенности


  • Cab Monitor Improvements 
  1. Continuously improved user interface allows for intuitive navigation, minimizing performance interruption with the easy-to-use touchscreen menu.
  3. Identify apps quickly with a grid list view, abbreviated app names, and categorized menu options.
  5. A notification center keeps important information visible to the operator, and displays messages without shrinking the camera view.
  7. Color coded notifications set critical messages apart from the rest.
  9. Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.

Not all features are available in all regions. Please check with your local Cat dealer for specific offering availability in your area. Build Number: 07G


  • The excavator uses up to 20% less fuel than the 320D2 GC in similar applications.
  • Match the excavator to the job using power modes; let Smart mode automatically match engine and hydraulic power to your digging conditions.
  • The advanced hydraulic system provides the optimum balance of power and efficiency while giving you the control you need for precise digging requirements.
  • Valve priority puts hydraulic pressure and flow where you command it to go for fast light- to medium-load cycle times.
  • Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
  • Add auxiliary hydraulics to do more work with a range of Cat attachments.
  • VisionLink® provides actionable data insights for all assets - regardless of fleet size or equipment manufacturer. Review equipment data from your desktop or mobile device to maximize uptime and optimize assets.
  • Don't let the temperature stop you from working. The excavator has a standard high ambient temperature capability of 52º C (125º F) and cold start capability of -32º C (-25º F).


  • Expect up to 20% less maintenance cost than the 320D2 GC (savings calculated over 12,000 machine hours).
  • Do all daily maintenance at ground level.
  • Boost productivity with proactive service reminders. The integrated vehicle health management system alerts the operator with step-by-step service guidance along with parts needed so you don't experience any unnecessary downtime.
  • Check engine oil level quickly and safely with the latest ground-level engine oil dipstick; fill and check engine oil on top of the machine with a conveniently located second dipstick.
  • Track your excavator’s filter life and maintenance intervals via the in-cab monitor.
  • No required maintenance on the Cat Clean Emissions Module.
  • Using Cat genuine oil and filters and doing your typical S∙O∙S monitoring will double the current service interval to 1,000 hours, giving you greater uptime to do more work.
  • The latest hydraulic oil filter provides improved filtration performance,anti-drain valves to keep oil clean when the filter is replaced, and longer life with a 3,000 hour replacement interval – 50% longer than previous filter designs.
  • The latest high-efficiency electric cooling fans only run when needed and reverse to keep cores free from debris.
  • S·O·S ports simplify maintenance and allow for quick, easy extraction of samples for fluid analysis.


  • Work up to 3000 m (9,840 ft) above sea level without de-rating.
  • Standard high-ambient temperature capability is 52º C (125º F) with cold start capability at –32º C (–25º F).
  • Auto warm up speeds up hydraulic oil warming in cold temperatures and helps prolong the life of components.
  • Three levels of fuel filtration protect the engine from dirty diesel fuel.
  • Grease sealed between track pins and bushings reduces travel noise and prevents debris from entering to increase undercarriage life.
  • The center track guiding guard helps keep the excavator track aligned when traveling and working on slopes.
  • The sloped track frame prevents mud and debris accumulation, helping reduce risk of track damage.


  • Access 100% of daily maintenance points from ground level – no need for you to climb on top of the excavator.
  • Keep your excavator secure with Operator ID. Use your PIN code on the monitor to enable the push button starting feature.
  • The standard ROPS cab meets ISO 12117-2:2008 requirements.
  • Enjoy great visibility into the trench, in each swing direction, and behind you with the help of smaller cab posts and larger windows.
  • A rear view camera is standard, and a right-side-view camera is optional.
  • The latest right-hand service platform design provides easy, safe, and quick access to upper service platform; the service platform steps use anti-skid punch plate to prevent slipping.
  • The handrails comply with ISO 2867:2011 requirements.
  • The lower frame meets ISO 15818:2017 lifting and tie-down requirements.
  • Enhance jobsite safety. Add a swing alarm to alert people when you're rotating from trench to stockpile and back again.
  • Make service work easier and safer with optional inspection lighting. With the flip of a switch, lights will illuminate the engine, pump, battery, and radiator compartments to enhance visibility.


  • Start the engine with a push button; use a Bluetooth® key fob, or the unique Operator ID function.
  • Program each joystick button, including response and pattern, using Operator ID; it will also remember climate control fan and radio settings.
  • Navigate quickly on the standard high-resolution 203 mm (8 in) touchscreen monitor or with the aid of the jog dial control.
  • Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.
  • Protect your hammer tool from overheating and rapid wear. Auto hammer stop warns you after 15 seconds of continuous firing and then automatically shuts it off after 30 seconds - all to extend the tool’s service life.
  • The Cat PL161 Attachment Locator is a Bluetooth device that makes finding your attachments and other gear quick and easy.


  • The Comfort cab has a wide seat that adjusts for operators of all sizes.
  • Control the excavator comfortably with easy-to-reach controls all located in front of you.
  • Standard automatic climate control keeps you at the right temperature all shift long.
  • Advanced viscous mounts reduce cab vibration by up to 50% over previous excavator models.
  • Stow your gear with plenty of in-cab storage beneath and behind the seat, overhead, and in the consoles. A cup holder, document holder, bottle holder, and coat hook are also provided.
  • Use the standard radio’s USB ports and Bluetooth® technology to connect to personal devices.


  • VisionLink® provides actionable data insights for all assets - regardless of fleet size or equipment manufacturer.* Review equipment data from your desktop or mobile device to maximize uptime and optimize assets. Dashboards provide information such as hours, miles, location, idle time, and fuel utilization. Make informed decisions that lower costs, simplify maintenance, and improve safety and security on your jobsite.
  • VisionLink Productivity gathers and summarizes machine telematics and jobsite data from all your equipment – regardless of the manufacture.* View actionable information such as idle time, fuel burn, location, payload, load counts, total cycles, and more to improve machine efficiency, productivity, and utilization. Access data anywhere via a mobile, tablet, or desktop device - on or off the jobsite.
  • Remote Flash is a mobile application that allows you to update onboard software without a technician being present, allowing you to initiate software updates when convenient, increasing your overall operating efficiency.

* Data field availability can vary by equipment manufacturer.

Стандартное оборудование

  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • 5.7 m (18'8") Reach boom
  • CAB
    • Rollover protective structure (ROPS)
    • Mechanical-suspension seat
    • High-resolution 203 mm (8 in) LCD touchscreen monitor
    • VisionLink®
    • Remote Flash
    • Two 1,000 CCA maintenance-free batteries
    • Programmable time-delay LED working lights
    • LED chassis light, left-hand boom lights
    • Cat C4.4 single turbo diesel engine
    • Two selectable power modes
    • Auto engine speed control
    • Auto engine idle shutdown
    • 52°C (125°F) high-ambient cooling capacity
    • -32°C (-25°F) cold start capability
    • Double element air filter with integrated precleaner
    • Reversing electric cooling fans
    • Boom and stick regeneration circuits
    • Auto two-speed travel
    • Boom and stick drift reduction valve
    • Three button joysticks
    • Auto hammer stop
    • Rearview camera
    • Right-hand mirror
    • Ground-level engine shutoff switch
    • Lockable disconnect switch
    • Right-hand handrail and hand hold
    • Signaling/warning horn
    • Scheduled Oil Sampling (S·O·S℠) ports
    • Ground- and platform-level engine oil dipsticks
    • Integrated vehicle health management system
    • 600 mm (24") triple grouser shoes
    • Tie-down points on base frame
    • 3700 kg (8,150 lb) counterweight
    • 4200 kg (9,260 lb) counterweight (Australia, New Zealand only)

Дополнительное оборудование

  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • 2.5 m (8'2") Reach stick
    • 2.9 m (9'6") Reach stick
    • VisionLink Productivity
    • LED chassis light, left-hand/right-hand boom lights, cab lights
    • Auto warm up
    • Hammer return filter circuit
    • Slider joysticks
    • Tool Control (two pump, one/two way high-pressure flow)
    • Basic Tool Control (one pump, one way high-pressure flow)
    • Quick coupler circuit
    • Right-side-view camera
    • Swing alarm
    • Inspection lighting
    • 790 mm (31") triple grouser shoes