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320 Hydraulic Excavator

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320 Family Introduction Video 320 Family Introduction Video
Next Generation Excavator Cat® Connect Technology Next Generation Excavator Cat® Connect Technology
Cat® Next Generation Excavators: Walkaround 320 Size Class Cat® Next Generation Excavators: Walkaround 320 Size Class
Cat® Next Generation Excavators: Vision Cat® Next Generation Excavators: Vision
Cat® Next Generation Excavators: Manufacturing Cat® Next Generation Excavators: Manufacturing
Cat® Next Generation Excavators: Design Cat® Next Generation Excavators: Design
Cat 320® Next Generation Excavator Delivers More for Gameon 2 Contractors Cat 320® Next Generation Excavator Delivers More for Gameon 2 Contractors
Cat 320® Next Generation Excavator Delivers More for Schwarz Excavations Cat 320® Next Generation Excavator Delivers More for Schwarz Excavations
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SPECS SUMMARY

Net Power - ISO 9249172 HP (128 kW)
Operating Weight50265 lb (22800 kg)
Maximum Digging Depth22.1 ft (6720 mm)
Engine ModelCat C4.4e TTA
The 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.

Specifications

Net Power - ISO 9249172 HP (128 kW)
Operating Weight50265 lb (22800 kg)
Maximum Digging Depth22.1 ft (6720 mm)
Engine ModelCat C4.4e TTA
Engine Power - ISO 14396173 HP (129 kW)
Bore4 in (105 mm)
Stroke5 in (127 mm)
Displacement269 in³ (4.4 l)
Main System - Maximum Flow429 l/min (113 gal/min)
Maximum Pressure - Equipment5075 psi (35000 kPa)
Maximum Pressure - Travel4974 psi (34300 kPa)
Maximum Pressure - Swing3988 psi (27500 kPa)
Maximum Swing Torque60300 ft·lbf (82 kN·m)
Fuel Tank Capacity86.6 gal (US) (345 l)
Cooling System6.6 gal (US) (25 l)
Engine Oil4 gal (US) (15 l)
Swing Drive - Each3.2 gal (US) (12 l)
Final Drive - Each1.3 gal (US) (5 l)
Hydraulic System - Including Tank61.8 gal (US) (234 l)
Hydraulic Tank30.4 gal (US) (115 l)
DEF Tank10.3 gal (US) (39 l)
BoomReach 5.7 m (18'8")
StickReach 2.9 m (9'6")
Bucket1.19 m ³ (1.56 yd³)
Shipping Height - Top of Cab9.8 ft (2960 mm)
Handrail Height9.8 ft (2950 mm)
Shipping Length31 ft (9530 mm)
Tail Swing Radius9.3 ft (2830 mm)
Counterweight Clearance3.4 ft (1048 mm)
Ground Clearance1.6 ft (470 mm)
Track Length14.7 ft (4450 mm)
Length to Center of Rollers12 ft (3650 mm)
Track Gauge7.9 ft (2380 mm)
Transport Width9.8 ft (2980 mm)
BoomReach 5.7 m (18'8")
StickReach 2.9 m (9'6")
Bucket1.19 m ³ (1.56 yd³)
Maximum Reach at Ground Level32.4 ft (9860 mm)
Maximum Cutting Height30.8 ft (9370 mm)
Maximum Loading Height21.4 ft (6490 mm)
Minimum Loading Height7.1 ft (2170 mm)
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom21.5 ft (6550 mm)
Maximum Vertical Wall Digging Depth17 ft (5190 mm)
Bucket Digging Force - ISO38811 lbf (150 kN)
Stick Digging Force - ISO23911 lbf (106 kN)

Benefits and Features

  • Use up to 25% less fuel than the 320F excavator.
  • Increase operator efficiency by up to 45% with a suite of Cat technologies that lower operator fatigue and your operating costs, including fuel consumption and daily maintenance.
  • Match the excavator to the job using power modes including new Smart mode that automatically matches 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 your precise digging requirements.
  • The electronically controlled, twin-turbocharged engine meets U.S. EPA Tier 4 Final and EU Stage IV emission standards using a transparent after treatment system that requires no operator input or downtime.
  • Auxiliary hydraulic options give you the versatility to use a wide range of Cat attachments.
  • Advansys™ bucket tips increase penetration and improve cycle times. Tip changes can be done quickly with a simple lug wrench instead of a hammer or special tool, improving safety and uptime.
  • 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 -18º C (0º F). An optional -32º C (-25º F) cold start package is available.

  • Automatically stop excavator swing at operator-defined set points in truck loading and trenching applications with Swing Assist, which will help you use less effort and consume less fuel.
  • Keep your tracks on the ground in lifting and hard digging with Boom Assist.
  • Set your desired bucket angle and let Bucket Assist automatically maintain the angle in sloping, leveling, fine grading, and trenching applications for easy, accurate, and fast jobs.
  • Standard Cat PAYLOAD on-board weighing system -
  1. Achieve precise load targets and increase loading efficiency with on-the-go weighing and real-time estimates of your payload without swinging.
  2. Track your daily productivity such as truck target weights and load/cycle counts.
  3. Calibration can be performed in a matter of minutes.
  4. Combine Payload with VisionLink® and remotely manage your production targets.
  5. Take Payload data with you. The monitor's USB port lets you download results so you can manage progress without an internet connection or VisionLink® subscription.
  • Upgrade to optional Cat GRADE with Advanced 2D -
  1. Create and edit grade designs with ease on a second high-resolution 10 in (254 mm) touchscreen monitor.
  • Upgrade to optional Cat GRADE with 3D -
  1. Create and edit designs with ease and see the front linkage's full range of motion on a second high-resolution 10 in (254 mm) touchscreen monitor.
  2. Use the excavator’s onboard cell technology to quickly connect to 3D services like Trimble Connected Community or Virtual Reference Station.
  3. Know the excavator's exact position relative to GPS and GLONASS systems. The machine automatically compensates for excavator pitch and roll caused by sloping ground conditions.
  • Get remote services -
  1. Remote troubleshoot connects you to a dealer service pro to help solve your problem and quickly get you to work.
  2. Remote flash works around your schedule to ensure your machine's software is up to date for optimal performance.
  3. The Cat App helps you manage fleet location, hours, and maintenance schedules; it also alerts you for required maintenance and even allows you to request service from your local Cat dealer.
  • Standard Product Link™ provides location, machine hours, fuel usage, productivity, idle time, diagnostic codes, and other machine data on demand through VisionLink® online interface, helping you improve jobsite efficiency with lower operating costs.
  • Improve your accuracy and safety – Add a new Cat Tiltrotator system upgrade with factory-fit joysticks. The system allows a Tiltrotator to work with standard Cat 2D Grade and E-Fence; it uses the standard cab monitor to display the tool and engage its SecureLock™ so you don’t need spend money on an extra monitor.
  • All Cat Grade systems are compatible with radios and base stations from Trimble, Topcon, and Leica. Already invested in a grade infrastructure? You can install grade systems from Trimble, Topcon, and Leica onto the machine.

  • Cab options let you choose the level of comfort you need.
  • Enjoy wide spacing between consoles for a more spacious comfortable environment.
  • Sit in new, wide seats that adjust for operators of all sizes (heated and heated/cooled options are available).
  • Get in and out of the cab easier using the tip-up left console (in Deluxe and Premium cabs only).
  • Control the excavator comfortably with easy-to-reach controls located in front of you. Standard automatic climate control keeps you at the right temperature throughout your shift.
  • Improved viscous mounts reduce cab vibration by up to 50% over our previous excavator models.
  • Stow your gear with plenty of in-cab storage behind the seat, overhead, and in the consoles.
  • The standard radio has USB ports and Bluetooth® technology enabled to connect your device and make hands-free calls.

  • Protect hydraulic components in cold weather. The auto warm-up feature speeds hydraulic oil warming in cooler temperatures.
  • The fuel system is protected from contamination of fuel by three levels of filtration.
  • Bottom guarding protects engine and hydraulic components from damage while swinging and traveling.
  • The hydraulic tank with a new oval shape designed to improve stress resistance.
  • The strong X-structure lower frame carries loads from the excavator's upper structure to the track.
  • Travel motor hydraulic lines are routed inside of the frame to protect them from damage.
  • The sloped track frame design prevents mud and debris from accumulating and damaging tracks.
  • The grease lubricated tracks have grease sealed between the pin and bushing to prevent debris from entering and reducing life.
  • The track rollers are rebuild-able and sealed to prevent dirt and debris causing wear of internal components.
  • A bolt-on track guiding guard helps maintain track alignment while traveling or working on slopes.

  • Start the engine with a push button; use a Bluetooth key fob, or the Operator ID passcode.
  • Program each joystick button, including response and pattern, using Operator ID; the machine will remember what you set each time you go to work.
  • Program up to four depth and slope offsets so you can easily get to grade without a grade checker – a real time saver and safety enhancer on the jobsite.
  • Save more time and energy with available work tool recognition. A simple shake of the attached tool confirms its identity; it also ensures all the attachment settings are correct so you can get to work quickly and efficiently.
  • Navigate quickly on the standard high-resolution 203 mm (8 in) touchscreen monitor, or with the optional 254 mm (10 in) touchscreen monitor, or with the aid of the jog dial control.
  • Protect your hammer from overworking. Auto hammer stop warns you after 15 seconds of continuous firing and then automatically shuts it off after 30 seconds -- all to prevent wear and tear on the attachment and excavator.
  • A second 254 mm (10 in) monitor is available for the advanced grade 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.
  • The Cat PL161 attachment locator is a Bluetooth device that makes finding your attachments and other gear quick and easy. The excavator's onboard Bluetooth reader or Cat App on your phone will locate the device automatically.
  • Save more time and energy with the available work tool recognition feature. A simple shake of the attached tool confirms its identity; it also ensures all the attachment settings are correct so you can get to work quickly and efficiently.
  • Auto Dig Boost increases power by up to 8% for better bucket penetration, shorter cycle times, and greater payloads.
  • Make moving the excavator much easier with Cat Stick Steer. Simply push a button and use one hand to travel and turn instead of both hands or feet on levers or pedals.
  • Need more lift during your shift? Turn on Auto Heavy Lift and get 8% more power exactly when you need it for as long as you need it.

  • Extended maintenance intervals reduce maintenance costs by 20percent over the Cat 320F excavator (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.
  • Reversing electric cooling fans make it easy to clean radiator, oil coolers, and condensers.
  • The new air intake filter with precleaner has double the dust holding capacity of the previous air intake filter.
  • 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 new 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 percent longer than previous filter designs.
  • S·O·S ports are on ground level, simplifying maintenance and allowing for quick, easy extraction of samples for fluid analysis.

  • Work safely under structures or near traffic with standard 2D E-fence integrated right out of the factory. It prevents any part of the excavator from moving outside operator-defined set points, avoiding hazards and jobsite accidents.
  • Lift Assist helps you avoid tipping. With visual and auditory alerts, you’ll know if your load is within the excavator’s safe working range limits.
  • Access 100 percent of daily maintenance points from ground level – no need for you to climb on top of excavator.
  • 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 pillars, larger windows, and a flat engine hood design.
  • The standard hydraulic lockout lever isolates all hydraulic and travel functions in the lowered position.
  • Ground-level shutoff switch stops all fuel to the engine when activated and shuts down the machine.
  • Rear and right-hand-sideview cameras are standard.Upgrade to 360° visibility and see under the excavator, allowing the operator to easily visualize objects and personnel around the excavator in a single view.
  • 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 requirements.
  • Enhance operator safety by adding Cat Command to your fleet. The remote control system keeps you away from potential hazards. The new non-line-of-site kit comes with Wi-Fi radio, cameras, and microphone to allow you to work anywhere you want.
  • 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.
  • Cat Detect - People Detection helps protect the most valuable asset on any jobsite – people. The system uses smart cameras with depth sensors to provide the operator with visual and auditory alerts so he or she can take immediate action when a person is too close to the excavator.

Standard Equipment

  • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • ROPS, sound suppression
  • Mechanically adjustable seat
  • High-resolution 203 mm (8 in) LCD touchscreen monitor
  • Cat Product Link
  • Cat GRADE with 2D
  • Cat GRADE with Assist
  • Cat PAYLOAD
  • 2D E-Fence
  • Lift Assist
  • Auto Dig Boost
  • Remote troubleshoot
  • Three selectable power modes
  • Auto engine speed control
  • 52°C (126°F) ambient cooling capacity
  • -32°C (-25°F) cold start capability
  • Reversing electric cooling fans
  • Biodiesel capability up to B20
  • Boom and stick regeneration circuits
  • Slide joysticks
  • Auto hydraulic warm up
  • Auto two-speed travel
  • Boom and stick drift reduction valve
  • Advanced tool control - Europe only
  • 5.7 m (18'8") reach boom, 2.9 m (9'6") stick
  • Tie-down points on base frame
  • Two 1,000 CCA maintenance-free batteries
  • Programmable time-delay LED working lights
  • LED chassis light, left-hand/right-hand boom lights, cab lights
  • Sampling ports for Scheduled Oil Sampling (S·O·S)
  • Ground-level and platform-level engine oil dipsticks
  • Rear and right-hand-sideview cameras
  • Signaling/warning horn
  • Right-hand mirror
  • Ground-level engine shutoff switch
  • Right-hand handrail and hand hold
  • Signaling/warning horn

Optional Equipment

  • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Air-adjustable seat with heat (Deluxe only)
  • High-resolution 254 mm (10 in) LCD touchscreen monitor
  • Cat Stick Steer
  • Cat GRADE with 3D
  • Cat GRADE with Advanced 2D (not available on SLR)
  • Cat GRADE with 3D (not available on SLR)
  • Cat Command remote control
  • Right-hand-side camera
  • 360° visibility
  • Inspection Lighting
  • Cat Detect People Detection
  • 52°C (125°F) high-ambient cooling capacity
  • Boom and stick lowering check valves
  • Hammer return filter circuit
  • Combined flow/high-pressure auxiliary circuit
  • Medium-pressure circuit
  • Quick coupler circuit for Cat Pin Grabber
  • Auto Heavy Lift
  • 8.85 m (29'0") SLR boom, 6.28 m (20'7") SLR stick
  • 600 mm (24") triple grouser shoes
  • 700 mm (28") triple grouser shoes
  • 790 mm (31") triple grouser shoes
  • 900 mm (35") triple grouser shoes
  • 4200 kg (9,300 lb) counterweight for HD boom and stick
  • Premium surround lighting package