Medium Excavator

Top performance, unmatched versatility, and excellent fuel efficiency.

Maximum productivity. The Cat® 323 Medium Excavator has the speed, efficiency, and power for your heavy-duty applications.

The CAT 323 Delivers.

  • Boosts operator efficiency up to 45%.
  • Lower Fuel Maintenance Costs.
  • Simple Servicing. Less Downtime.
  • Unmatched Dealer Support.

Designed for Operators.

Enjoy your choice of comfort cab options featuring generous spacing, wide seats with heated/cooled options, reduced cab vibration and automatic climate control. Get in and out of the cab easier using the tip-up left console (deluxe and premium cabs) and enjoy your work with Bluetooth® and USB connectivity as a standard with the radio.

Efficiency Through Technology.

The standard Cat PAYLOAD on-board weighing system lets you:

  • Weigh on-the-go and see real-time estimates of your payload without swinging.
  • Track your daily productivity such as truck target weights and load/cycle counts.
  • Perform calibration in minutes.
  • Download Payload data via USB so you can manage progress without an internet connection or VisionLink® subscription.

The standard Cat GRADE with 2D system allows you to:

  • Stay on grade - simply and effortlessly - with single-lever digging.
  • Set your desired bucket angle and let Bucket Assist automatically maintain the angle in sloping, leveling, fine grading, and trenching applications.
  • Perform calibration in minutes.
  • Keep your tracks on the ground in lifting and hard digging with Boom Assist.
  • Automatically stop excavator swing at operator-defined set points in truck loading and trenching applications with Swing Assist.

Less Effort. More Control.

Customise the 323 your way and get to work sooner with push button engine start, programmable joystick buttons which remember your individual set-up, programmable depth and slope offsets, and available work tool recognition where a simple shake of the tool confirms it's identity plus ensures attachment settings are correct.

Protect your hammer from overworking with Auto Hammer Stop, while Auto Dig Boost increases power by up to 8% for better bucket penetration, shorter cycle times, and greater payloads. The Cat PL161 Bluetooth Attachment Locator makes finding your attachments quick and easy.


Engine Power
128 kW
Operating Weight
25,500 kg
Maximum Digging Depth
6730 mm