323F LN (Special Alpine)

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The Cat® 323F LN Hydraulic Excavator is the perfect choice for contractors who need maximum production coupled with best-in-class fuel efficiency. Powered by a C4.4 ACERT™ engine, the machine features a state-of-the-art hydraulic system and standard Cat Grade Control to do all your accurate digging.


  • Note (2) Maximum Operating Weight: Long narrow undercarriage, VA boom, R2.9, GD 1.3 m3 bucket and 550 mm triple grouser shoes. Maximum Operating Weight: Long narrow undercarriage, VA boom, R2.9, GD 1.3 m3 bucket and 550 mm triple grouser shoes.


  • Get to grade quickly and accurately with standard Cat Grade Control, a simple-to-use system that provides real-time bucket tip positioning and cut-and-fill data right through the standard cab monitor.
  • Get to grade up to 45% faster with less effort with Cat Grade with ASSIST, a system that automates work you typically do with manual controls.
  • Easily upgrade to AccuGrade™, a 3D system that will help you make perfect cuts and contours on more complex jobs.


  • Dig with maximum breakout force at all times regardless of engine speed and power mode.
  • Lift objects smoothly and controllably without time limit using the optional heavy lift function.
  • Stay productive with a smart emissions system that works without interruption.


  • Meets EU Stage IV emission standards with 5% less fuel consumption than the Stage IIIB C6.6 ACERT engine.
  • Actively manage fuel consumption in changing digging conditions using three selectable power modes.
  • Take advantage of fuel-saving flexibility with up to B20 biofuel capability.


  • Maximize your uptime by speeding attachment changes with optional Cat couplers.
  • Get to work more quickly with Cat tool control, an exclusive system that stores pressures and flows for up to 20 attachments.
  • Expand your performance with optional auxiliary hydraulics and attachments from Cat Work Tools.


  • Spend less time servicing the machine with extended maintenance intervals and a maintenance-free diesel particulate filter.
  • Safely perform most routine maintenance like daily greasing and fluid taps from ground level.
  • Access service compartments through wide doors that securely latch in place.


  • Work in quiet satisfaction with viscous mounts that limit cab vibration and special roof lining and sealing that reduce interior sound.
  • Stay content with a consistent cab temperature provided by standard automatic climate control.
  • All heated seats include a reclining back, upper and lower slide adjustments, and height and tilt angle adjustments.


  • Stronger, heavier, narrower undercarriage than the 323F, with larger undercarriage components.
  • Specifically designed for work in severe-duty underfoot conditions.
  • Narrow gauge (shipping width 2500 mm) for easy transport.

323F LN (Special Alpine) Standard Equipment


  • C4.4 ACERT meets Stage IV emission standards
  • Three selectable power modes
    – HP, STD and ECO
  • Variable-speed fan with viscous clutch
  • One-touch low idle with automatic engine speed control
  • Automatic engine idle shutdown
  • Three-stage fuel filtration system with water separator and indicator
  • 3000 m altitude capability without derate
  • 52° C high-ambient cooling capacity with derate from 48° C
  • –18° C cold start capability
  • 85 amp alternator
  • Radial seal air filter with double filter element
  • Electric fuel lifting pump
  • Capability of using biodiesel fuel (up to B20)
  • Air precleaner
  • Electric refueling pump with auto shutoff


  • Tool control
  • Quick coupler control
  • SmartBoom™
  • Electric boom regeneration circuit
  • Stick regeneration circuit
  • One-touch lifting mode
  • Automatic two-speed travel
  • Reverse swing damping valve
  • High-performance hydraulic return filter
  • CRN compliant accumulator


  • Sound suppressed ROPS cab with viscous mount
  • Openable skylight as emergency exit
  • Openable laminated front upper windshield with assist device
  • Removable tempered lower windshield with in-cab storage bracket
  • High-back seat with air suspension, seat heater and head rest
  • Fully adjustable seat, console and armrest
  • 51 mm width seat belt
  • Full graphic 233 mm × 130 mm LCD monitor with distortion-free rearview camera picture
  • Automatic bi-level air conditioner with pressurized function
  • Radial wiper with lower wiper
  • 12V radio ready with stereo speakers and flexible antenna
  • 12V × 2 power supply with sockets (maximum 10 amp)
  • Washable floor mat
  • Interior utilities
    – Interior lighting
    – Coat hook
    – Beverage holder
    – Literature holder
    – Document holding space
    – Cab rear storage compartment
  • Sun screen roll type for 70/30 window


  • Grease Lubricated Track GLT2, resin seal
  • Towing eye on base frame


  • Maintenance-free battery
  • Centralized electrical disconnect switch
  • Programmable time-delay halogen working lights
    – Storage box mounted (one)
    – Cab mounted (two)
    – Boom mounted LH and RH (two)


  • Engine oil, fuel, and hydraulic oil filters grouped for ease of maintenance
  • Sampling ports for Scheduled Oil Sampling (S·O·SSM)
  • Three side-by-side cooling packages for easy maintenance


  • Rearview camera, right hand side-view camera with two mounted on cab
  • RH hand rail and hand hold
  • Bolt-free service platform with anti-skid plate
  • Neutral lever (lock out) for all controls
  • Ground-level accessible secondary engine shutoff switch in cab
  • Signaling/warning horn
  • Safety hammer for cab evacuation
  • Boom lowering control device and stick lowering check valve


  • Cat Product Link™

323F LN (Special Alpine) Optional Equipment


  • Starting kit, cold weather, –32° C
  • Radiator screen


  • Additional circuit
  • Boom and stick lines
  • High-pressure line
  • Medium-pressure line
  • Cat quick coupler line – high- and medium-pressure capable
  • Electronic Control device, 1/2P, one-way circuit
  • Electronic Control device (Common), 1/2P, common circuit


  • Seat, high-back air suspension with heater
  • Travel alarm
  • Left foot switch
  • Straight travel pedal


  • Center track guiding guard
  • Segmented track guard


  • Quick coupler
  • Bucket linkage, B1 family with lifting eye
  • 5.7 m reach boom – HD and ES
  • 2.5 m extreme service sticks
  • 2.9 m extreme service sticks


  • Cat MSS (anti-theft device)


  • Cat Grade Control Depth and Slope

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