320 GC

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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.


  • Engine Model Cat C4.4 ACERT Cat C4.4 ACERT
  • Net Flywheel Power 143.0 HP 107.0 kW
  • Bore 4.0 in 105.0 mm
  • Stroke 5.0 in 127.0 mm
  • Displacement 269.0 in³ 4.4 l
  • Gross Power - SAE J1995 145.0 HP 108.0 kW
  • Net Power - SAE J1349 143.0 HP 107.0 kW
  • Engine RPM - Operation 1650.0 r/min 1650.0 r/min
  • Engine RPM - Travel 2000.0 r/min 2000.0 r/min


  • 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) 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 48281.0 lb 21900.0 kg
  • 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) 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 46958.0 lb 21300.0 kg

Service Refill Capacities

  • Fuel Tank Capacity 86.6 gal (US) 345.0 l
  • Cooling System 6.6 gal (US) 25.0 l
  • Engine Oil 4.0 gal (US) 15.0 l
  • Final Drive - Each 1.3 gal (US) 5.0 l
  • Hydraulic System - Including Tank 61.8 gal (US) 234.0 l
  • Hydraulic Tank 30.4 gal (US) 115.0 l
  • DEF Tank 10.3 gal (US) 39.0 l
  • Swing Drive - Each 1.3 gal (US) 5.0 l


  • Maximum Swing Torque 54440.0 ft·lbf 74.0
  • Swing Speed 11.6 r/min 11.6 r/min


  • Maximum Drawbar Pull 46131.0 lbf 205.0 kN
  • Maximum Travel Speed 3.6 mile/h 5.9 km/h
  • Maximum Gradeability 35°--70% 35°--70%

Hydraulic System

  • Main System - Maximum Flow - Total 116.0 gal/min 442.0 l/min
  • Maximum Pressure - Equipment - Normal 5075.0 psi 35000.0 kPa
  • Maximum Pressure - Swing 3886.0 psi 26800.0 kPa
  • Maximum Pressure - Travel 4974.0 psi 34300.0 kPa

Dimensions - Reach Boom - 5.7 m (18'8

  • Counterweight Clearance 3.4 ft 1050.0 mm
  • Note With HD 1.0m3 bucket and 790 mm shoes. With HD 1.0m3 bucket and 790 mm shoes.
  • Shipping Height 9.7 ft 2960.0 mm
  • Shipping Length 31.3 ft 9530.0 mm
  • Track Gauge 7.2 ft 2200.0 mm
  • Track Length - Center of Rollers 10.7 ft 3270.0 mm
  • Transport Width - 790 mm (31 in) Shoes 10.4 ft 3170.0 mm

Dimensions - Reach Boom - 5.7 m (18'8

  • Ground Clearance 1.5 ft 470.0 mm
  • Tail Swing Radius 9.3 ft 2830.0 mm

Working Ranges - Reach Boom - 5.7 m (18'8

  • Maximum Cutting Height 31.0 ft 9450.0 mm
  • Maximum Digging Depth 22.0 ft 6720.0 mm
  • Maximum Loading Height 21.3 ft 6490.0 mm
  • Maximum Reach - Ground Level 32.3 ft 9860.0 mm
  • Maximum Vertical Wall Digging Depth 18.7 ft 5690.0 mm
  • Minimum Loading Height 7.1 ft 2170.0 mm

  • Maximum Depth Cut for 2440 mm (8'0") Level Bottom 21.5 ft 6550.0 mm

High Performance with Lower Fuel Consumption

• The excavator uses up to 20 percent less fuel than the 320F in similar applications.
• Match the excavator to the job with power modes; let Smart mode automatically match engine and hydraulic power to digging conditions.
• The advanced hydraulic system provides the optimum balance of power and efficiency while giving you the control you need forprecise digging requirements.
• Valve priority puts hydraulic pressure and flow where you command it to go for fast light- to medium-load cycle times.
• The engine meets U.S. EPA Tier 4 Final and EU Stage IV emission standards with an aftertreatment system that requires no operator input or downtime.
• Add auxiliary hydraulics to do more work with a range of Catattachments.
• Product Link™ comes standard so you can remotely monitor machine health, location, hours, and fuel consumption on demand through the VisionLink® online interface.

Reliable, High and Low, Heat and Cold

• Work up to 3000 m (9,840 ft) above sea level without de-rating.
• Standard high-ambient temperature capability is 52º C (125º F) withcold 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.
• Grease sealed between track pins and bushings reduces travel noise
and prevents debris from entering to increase undercarriage life.
• The track guiding guards help 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.

Work in Comfort in the All-New Cab

• The Comfort cab has a wide seat that adjusts for operators of allsizes.
• Control the excavator comfortably with easy-to-reach controls alllocated 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 percent
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 toconnect to personal devices.

Simple to Operate

• Start the engine with a push button; use a Bluetooth key fob, smartphone app, or the unique Operator ID function.
• Program your power mode and joystick preferences using OperatorID; the excavator will remember what you set each time
you go to work.
• Navigate quickly on the standard high-resolution 203 mm (8in) touchscreen monitor or with the aid of the jog dial control.
• Not sure how a function works or how to maintain the excavator?
Always have the operator’s manual at your fingertips in the touchscreen monitor.
• Find the tool you need – even if it’s hidden beneath overgrowth or debris. The available Bluetooth reader can search for any work tool equipped with Cat asset tracking devices up to a range of 60 meters (200 feet).


• Expect up to 20 percent less maintenance cost than the 320F. (Savings calculated over 12,000 machine hours.)
• Do all daily maintenance at ground level.
• Check engine oil level quickly and safely with the new 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.
• Do no required maintenance on the Cat Clean Emissions Module.
• Fuel filters are synchronized to be changed at 1,000 hours – doublethe interval from the previous filters.
• Expect the new air intake filter with precleaner to last up to 1,000hours – a 100 percent increase over the previous filter.
• The new hydraulic oil filter provides improved filtrationperformance, anti-drain valves to keep oil clean when the filter is replaced, and longer life with a 3,000 hour replacement interval – 50 percentlonger than previous filter designs.
• High-efficiency cooling fans run only when needed; you can program intervals so they automatically reverse to keep cores clean without interrupting your work.
• S·O·S ports simplify maintenance and allow for quick, easy extraction of samples for fluid analysis.


• Access 100 percent 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
onthe monitor to enable the pushbutton 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 rearview camera and a right-side-view camera are standard.
• The new 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.

320 GC Standard Equipment


  • 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


  • 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)


  • 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)


  • 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


  • 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


  • 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


  • 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)


  • 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 Product Link™

320 GC Optional Equipment


  • 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)


  • LED chassis light, LH & RH boom lights for reach, cab lights- 850 lumens


  • Roller rear suncreen


  • Radiator screen
  • RH side mirror for use with RH sideview camera or 360° visibility (Europe)


  • Heavy duty buckets 1.0m3(1.31yd3)

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