323D2 L

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The 323D L Series 2 incorporates innovations to improve your job site efficiency through low owning and operating costs, excellent performance, and high versatility.


Engine Model Cat® C7.1 Cat® C7.1 Less
Net Flywheel Power 156.0 hp 116.0 kW Less
Bore 4.13 in 105.0 mm Less
Stroke 5.31 in 135.0 mm Less
Displacement 428.0 in3 7.01 L Less
Engine Power – ISO 14396 158.0 hp 118.0 kW Less
Net Power – SAE J1349/ISO 9249 156.0 hp 116.0 kW Less
Emissions The Cat C7.1 meets U.S. EPA Tier 2, EU Stage II, and China Stage II Nonroad equivalent emission standards. The Cat C7.1 meets U.S. EPA Tier 2, EU Stage II, and China Stage II Nonroad equivalent emission standards. Less


Operating Weight 49924.0 lb 22645.0 kg Less
Maximum Operating Weight 51370.0 lb 23300.0 kg Less
Minimum Operating Weight 48480.0 lb 21990.0 kg Less

Service Refill Capacities

Fuel Tank Capacity 108.0 gal 410.0 L Less
Cooling System 6.6 gal 25.0 L Less
Engine Oil 5.8 gal 22.0 L Less
Swing Drive 2.1 gal 8.0 L Less
Final Drive (each) 2.6 gal 10.0 L Less
Hydraulic Oil 36.5 gal 138.0 L Less
Hydraulic System Oil Capacity (including tank) 68.7 gal 260.0 L Less

Swing Mechanism

Swing Speed 10.5 rpm 10.5 rpm Less
Swing Torque 45581.0 lbf-ft 61.8 kN·m Less


Maximum Travel Speed 3.5 mph 5.6 km/h Less
Drawbar Pull 46086.0 lbf 205.0 kN Less

Hydraulic System

Pilot System – Maximum Flow 6.1 gal/min 23.1 L/min Less
Pilot System – Maximum Pressure 569.0 psi 3920.0 kPa Less
Boom Cylinder – Bore 4.7 in 120.0 mm Less
Boom Cylinder – Stroke 49.6 in 1260.0 mm Less
Stick Cylinder – Bore 5.5 in 140.0 mm Less
Stick Cylinder – Stroke 59.2 in 1504.0 mm Less
B1 Bucket Cylinder – Bore 4.7 in 120.0 mm Less
B1 Bucket Cylinder – Stroke 43.5 in 1104.0 mm Less
CB2 Bucket Cylinder – Bore 5.3 in 135.0 mm Less
CB2 Bucket Cylinder – Stroke 45.5 in 1156.0 mm Less
Main System – Maximum Flow at Operation 202×2 L/min (53.4×2 gal/min) 202×2 L/min (53.4×2 gal/min) Less
Main System – Maximum Flow at Travel 214×2 L/min (56.5×2 gal/min) 214×2 L/min (56.5×2 gal/min) Less
Maximum Pressure – Equipment 5076.0 psi 35000.0 kPa Less
Maximum Pressure – Swing 3626.0 psi 25000.0 kPa Less
Maximum Pressure – Travel 5076.0 psi 35000.0 kPa Less
Swing System – Maximum Flow 53.4 gal/min 202.0 L/min Less

Operator Station

Comfort and convenience to keep you productive all day long


Count on reliable performance to meet your demanding needs all day long


Move dirt, rock and debris with speed, precision and efficiency

Undercarriage and Structures

Strong and durable, all you expect from Cat excavators

Front Linkage

Long service life even in the harshest of conditions

Work Tools

Dig, hammer, rip, and cut with confidence

Integrated Technologies

Monitor, manage, and enhance your job site operations


Safe, fast, and easy access

Complete Customer Care

Your Cat dealer will support you like no other

323D2 L Standard Equipment

  • C7.1 electronic control engine
  • Meets U.S. EPA Tier 2, EU Stage II, and China Stage II Nonroad equivalent emission standards
  • 5000 m altitude capability
  • Radial seal air filters (primary and secondary filter)
  • Glow plugs (for cold weather start)
  • Automatic engine speed control with one touch low idle
  • High ambient cooling package 52° C (125° F)
  • Starting kit, cold weather, <-18° C (-0° F)
  • Water separator with water level indicator sensor
  • Waved fin radiator with space for cleaning
  • Two speed travel
  • Electric priming pump
  • Power modes (Eco and High Power)

  • Regeneration circuits for boom and stick
  • Auxiliary hydraulic valve
  • Reverse swing damping valve
  • Automatic swing parking brake
  • Boom drift reducing valve
  • Boom lowering device for back-up
  • Stick drift reducing valve
  • High performance hydraulic return filters
  • Fine swing control
  • Capability of installing additional valves, pumps, circuits
  • Cat Bio-oil capability B20

  • Pressurized cab
  • Positive filtered ventilation
  • Adjustable armrest
  • Seat belt, retractable (51 mm [2 in] or 76 mm [3 in] width)
  • 70/30 split front windshield
  • Laminated upper front windshield and tempered other windows
  • Sliding upper door window
  • Openable front windshield with assist device
  • Openable roof hatch
  • Removable lower windshield, within cab storage bracket
  • Pillar mounted upper windshield wiper and washer
  • Bi-level air conditioner (automatic) with defroster (pressurized function)
  • Full color and full graphic LCD display with warning, filter/fluid change, and working hour information
  • Control lever joysticks, seat integrated
  • Neutral lever (lock out) for all controls
  • Travel control pedals with removable hand levers
  • Radio mounting (DIN size)
  • 12V-10A power supply with two lighter sockets
  • Two stereo speakers
  • Beverage holder
  • Coat hook
  • Interior lighting
  • Ashtray and lighter
  • Storage compartment for lunch box
  • Capability to install two additional pedals

  • Idler and center section track guiding guards
  • Towing eye on base frame
  • Grease lubricated track GLT2, resin
  • Heavy duty rollers
  • Center track guiding guard

  • Batteries (2 × 900 CCA)
  • 115 amp alternator
  • 8 kW starter motor
  • Capability to connect a beacon*
  • *Requires additional hardware (relay, switch, beacon, and electric harness)

  • Working lights, boom and cab
  • Right working light, storage box mounted
  • Interior lighting

  • Cat one key security system
  • Door and compartment locks
  • Signaling/warning horn
  • Rearview mirrors
  • Rearview camera ready
  • Fire wall between engine and pump compartment
  • Emergency engine shutoff switch
  • Rear window, emergency exit
  • Battery disconnect switch
  • Bolt-on FOGS capability
  • Cap locks on fuel and hydraulic tanks
  • Lockable tool box

  • 4.26 mt (9,390 lb) counterweight

  • Cat data link receptacle

323D2 L Optional Equipment

  • Starting kit, cold weather, <-32° C (-25.6° F), ether or block heater with two additional batteries
  • Air prefilter
  • Jump start receptacle
  • Fuel tank refueling pump

  • Fine Swing control
  • Boom and stick high pressure lines
  • Boom and stick medium pressure lines
  • Boom and stick QC lines
  • Tool control system
  • Hammer circuit, foot pedal operated
  • Two way combined circuit, foot pedal operated
  • Two way combined circuit, joystick modulation operated
  • Two way combined circuit with medium pressure, joystick modulation operated
  • Quick couplers

  • Fully adjustable mechanical suspension seat
  • Fully adjustable air suspension seat, with heater
  • Rain protector
  • Sun visor/screen

  • 600 mm (24") double grouser shoes
  • 600 mm (24") triple grouser shoes
  • 600 mm (24") heavy duty triple grouser shoes
  • 700 mm (28") double grouser shoes
  • 700 mm (28") triple grouser shoes
  • 700 mm (28") heavy duty triple grouser shoes
  • 790 mm (31") triple grouser shoes
  • 900 mm (35") triple grouser shoes
  • Segmented track guiding guard (two pieces)
  • Full length track guiding guard
  • Swing frame with bumper capability
  • Guard package includes (HD) bottom, (HD) travel motor, swivel guard

  • Standard 5.7 m (18'8") reach boom with left side light: – R2.9B1 (9'6") HD stick – R2.5B1 (8'2") HD stick
  • Heavy Duty 5.7 m (18'8") reach boom with left side light: – R2.9B1 (9'6") HD stick – R2.5B1 (8'2") HD stick
  • Mass boom 5.2 m (17'1") with left side light: – M1.9CB2 (6'2") stick – M2.4CB2 (7'11") stick
  • Bucket linkage with lifting eye
  • Bucket linkage without lifting eye

  • Cab mounted working lights
  • Right mounted boom light for reach boom
  • Lights, time delay

  • Travel alarm
  • Falling Object Guards (FOGS)
  • Rearview camera