323 Hydraulic Excavator

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
Request Info

Contact Us For Price

SPECS SUMMARY

Net Power - ISO 9249172 HP (128.5 kW)
Operating Weight54900 lb (24900 kg)
Maximum Digging Depth22.1 ft (6730 mm)
Engine ModelCat C7.1e TA
The Cat® 323 delivers power, speed, and high production performance. With more standard technology than previous models, plus reduced fuel and maintenance costs, the Cat 323 has all you need to take your business to the next level.

Specifications

Net Power - ISO 9249172 HP (128.5 kW)
Operating Weight54900 lb (24900 kg)
Maximum Digging Depth22.1 ft (6730 mm)
Engine ModelCat C7.1e TA
Engine Power - ISO 14396174 HP (129.4 kW)
Bore4 in (105 mm)
Stroke5 in (135 mm)
Displacement428 in³ (7.01 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)
Swing Speed11.25 r/min (11.25 r/min)
Maximum Swing Torque60300 ft·lbf (82 kN·m)
Fuel Tank Capacity86.6 gal (US) (345 l)
Cooling System6.6 gal (US) (25 l)
Engine Oil6.6 gal (US) (25 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 Tank10.8 gal (US) (41 l)
BoomReach 5.7 m (18'8")
StickReach 2.9 m (9'6")
BucketHD 1.30 m³ (1.71 yd³)
Shipping Height - Top of Cab9.9 ft (2960 mm)
Handrail Height9.9 ft (2950 mm)
Shipping Length31.3 ft (9530 mm)
Tail Swing Radius9.3 ft (2830 mm)
Counterweight Clearance3.5 ft (1050 mm)
Ground Clearance1.7 ft (470 mm)
Track Length14.7 ft (4450 mm)
Length to Center of Rollers12 ft (3650 mm)
Track Gauge7.9 ft (2380 mm)
Transport Width9.9 ft (3170 mm)
BoomReach 5.7 m (18'8")
StickReach 2.9 m (9'6")
BucketHD 1.30 m³ (1.71 yd³)
Maximum Reach at Ground Level32.4 ft (9870 mm)
Maximum Cutting Height31 ft (9450 mm)
Maximum Loading Height21.3 ft (6480 mm)
Minimum Loading Height7.1 ft (2160 mm)
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom21.6 ft (6560 mm)
Maximum Vertical Wall Digging Depth18.8 ft (5740 mm)
Bucket Digging Force - ISO34308 lbf (140 kN)
Stick Digging Force - ISO26094 lbf (107 kN)

Benefits and Features

  • Optional Cat Detect - People Detection helps the operator avoid personnel on the jobsite with visual and auditory alerts.
  • Optional Cat Command remote control allows you to work outside of the cab to help avoid potential hazards.
  • Optional integrated vehicle health management system alerts the operator with service guidance and parts needed to enhance uptime.        
  • Optional single antenna global navigation satellite system (GNSS) gives you visual and auditory guidance to grade.
  • Enhanced software integration enables tiltrotator attachments to work seamlessly with Cat Grade and Payload technologies.
  • Optional auxiliary relay powers on and turns off CB radios, beacon lights, and other attachments without you taking your hands off the joysticks.
  • Enhance visibility to make service work easier and safer with optional inspection lighting.
  • Make the jobsite safer with an optional swing alarm.
Not all features are available in all regions. Please check with your local Cat dealer for specific offering availability in your area.
Build Number: 07F

  • Use up to 20 percent less fuel than the 323F excavator.
  • Increase operator efficiency by up to 45 percent 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, 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.
  • 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.

  • Boost productivity up to 45 percent vs traditional grading with the standard Cat Grade with 2D system– includes indicate-only and laser capability.
  • Dig with real-time guidance on depth, slope, and horizontal distance to grade.
  • The 2D system is upgradable to Cat Grade with Advanced 2D or Cat Grade with 3D.
  • Standard Grade Assist -
  1. Stay on grade - simply and effortlessly -with single-lever digging.
  2. 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.
  3. Keep your tracks on the ground in lifting and hard digging with Boom Assist.
  4. 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.
  • Standard Cat Payload on-board weighing system -
  1. Cat Payload helps you achieve precise load targets to improve your operating efficiency. Pick up a load of material--with a bucket and thumb combination or grapple and clamshell attachments--and get a real-time weight estimate without swinging.
  2. Take payload data with you. The monitor’s USB port lets you download your results from one shift all the way up to 30 days of work so can manage your progress without needing an internet connection or VisionLink subscription.
  3. Track your daily productivity such as truck target weights and load/cycle counts.
  4. Calibration can be performed in a matter of minutes.
  5. Combine Payload with VisionLink® and remotely manage your production targets.
  • 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. Want a 3D system to improve your digging results? Caterpillar's new single antenna global navigation satellite system (GNSS) makes it easy by giving you visual and auditory guidance to grade. Plus you can create and edit designs on the touchscreen monitor while you’re on the job. If your application calls for a dual antenna system, it’s easy to upgrade.
  2. Upgrade to our dual antenna GNSS for maximum grading efficiency. The system lets you create and edit designs on the touchscreen monitor while you’re on the job, or you can have the plan design sent to the excavator to make your work easier. Plus you get added benefits of avoidance zones, cut and fill mapping, lane guidance, and augmented reality along with advanced positioning capability.
  3. Already invested in another brand’s 3D system? No problem. Standard Cat technology like Grade with 2D can readily integrate with that system to give you the precise results you need.
  4. The machine automatically compensates for excavator pitch and roll caused by sloping ground conditions.
  • 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.

  • Two cab options – Deluxe, and Premium – 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.
  • 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 percent over our previous excavator models.
  • Stow your gear with plenty of in-cab storage behind the seat, overhead, and in the consoles. A cup holder, document holder, bottle holder, and coat hook are included.
  • 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 the push of a button; use a Bluetooth key fob or Operator ID passcode.
  • Trouble cutting through tough material? Auto dig boost gives you an automatic power increase of 8 percent when you need it for better bucket penetration, shorter cycle times, and greater payloads.
  • Need more lift during your shift? Auto heavy lift gives you 8 percent more power exactly when you need it for as long as you need it.
  • 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.
  • Make operating easier with the touch of a joystick button. Additional auxiliary relays allow you to power on or turn off a CB radio, beacon light, and even a dust suppression watering system without taking your hands off the joysticks.
  • Tilt rotator attachments--ours or other brands--work seamlessly with Cat 2D Grade, Assist, Payload, and E-Fence . With no additional hardware required, all you have to do is simply select "Third Party Tiltrotator System Installation" in the monitor, do the calibration, and get to work.
  • Navigate quickly on the high-resolution monitor.
  • A second 10 in (254 mm) monitor is available for the advanced grade control.
  • 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 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.
  • 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.

  • Extended maintenance intervals reduce maintenance costs by 25 percent over the Cat 323F excavator (15 percent savings calculated over 12,000 machine hours).
  • Boost productivity with proactive service reminders. Our new 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.
  • Reversing electric cooling fans make it easy to clean radiator, oil coolers, and condensers.
  • An all-new engine air cleaner with integrated pre-cleaner has twice the life of radial seal air cleaners.
  • 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 3000 hour replacement interval – 50% longer than previous filter designs.
  • Track your excavator's filter life and maintenance intervals can via the in-cab monitor.
  • Check engine oil level quickly and safely with the new engine oil dip stick located on ground level.
  • S·O·SSM ports with extended sampling intervals are on ground level, simplifying maintenance and allows for quick easy extraction of samples for fluid analysis.
  • 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.

  • 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.
  • 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.
  • 2D E-Fence prevents the excavator from moving outside of operator-defined set points; the system works with thumb and bucket combinations along with hammer, grapple, and clamshell attachments.
  • 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 shut-off 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.
  • Rght-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.
  • 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.
  • Enhance jobsite safety. Add a swing alarm to alert people when you're rotating from trench to stockpile and back again.

Standard Equipment

  • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • 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 in) LCD touchscreen monitor
  • Cat Product Link™
  • Remote Flash
  • Remote Troubleshoot
  • Cat Grade with 2D
  • Cat Grade with Assist
  • Cat Payload
  • E-Fence
  • Lift assist
  • Two 1,000 CCA maintenance-free batteries
  • Programmable time-delay LED working lights
  • LED chassis light, left-hand/right-hand boom lights, cab lights
  • Cat 7.1 single turbo diesel engine
  • Three selectable power modes
  • Automatic engine speed control
  • 46°C (115°F) high-ambient cooling capacity (Europe only)
  • 52°C (125°F) high-ambient cooling capacity
  • -18°C (0°F) cold start capability
  • Double element air filter with integrated precleaner
  • Reversing electric cooling fans
  • Biodiesel capability up to B20
  • Boom and stick regeneration circuits
  • Auto hydraulic warm up
  • Auto two-speed travel
  • Boom and stick drift reduction valve
  • Auto dig boost
  • Auto heavy lift
  • Rear and right-hand-sideview cameras
  • Ground-level engine shutoff switch
  • Right-hand handrail and handhold
  • Signaling/warning horn
  • Sampling ports for Scheduled Oil Sampling (S·O·S℠)
  • Ground-level and platform-level engine oil dipsticks
  • Tie-down points on base frame

Optional Equipment

  • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • 5.7 m (18'8") Reach boom
  • 5.7 m (18'8") HD Reach boom
  • 2.7 m (8'10") stub + 3.3 m (10'10") fore, Variable Angle 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 (Turkey only)
  • 2.9 m (9'6") HD Reach stick (Turkey only)
  • 3.9 m (12'10") Reach stick
  • 2.9 m (9'6") HD Thumb Ready Reach stick
  • 6.28 m (20'7") Super Long Reach stick
  • Cat Stick Steer
  • Auxiliary relay
  • Cat Grade with Advanced 2D
  • Cat Grade with single GNSS
  • Cat Grade with 3D dual GNSS
  • -32°C (-25°F) cold start capability
  • 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
  • Cat Detect People Detection
  • 360° visibility
  • Swing alarm
  • Cat Command remote control
  • Inspection lighting
  • Integrated vehicle health management system
  • 600 mm (24") HD triple grouser shoes
  • 700 mm (28") HD triple grouser shoes
  • 790 mm (31") HD triple grouser shoes
  • 900 mm (35") HD triple grouser shoes
  • 4.2 mt (9,300 lb) counterweight
  • 5.4 mt (11,900 lb) counterweight