323 Hydraulic Excavator

323 Hydraulic Excavator

360° Exterior View

The Cat® 323 excavator has the speed, efficiency, and power for your heavy-duty applications requiring maximum productivity. You get built-in Cat GRADE with 2D, Grade Assist, and Payload as standard ...
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Engine

Net Power - ISO 9249
172HP
Engine Model
Cat C7.1e TA
Engine Power - ISO 14396
173HP
Bore
4in
Stroke
5in
Displacement
428in³

Weights

Operating Weight
56200lb

Working Ranges & Forces

Maximum Digging Depth
22.1ft
Boom
Reach 5.7 m (18'8")
Stick
Reach 2.9 m (9'6")
Bucket
HD 1.19 m³ (1.56 yd³)
Maximum Reach at Ground Level
32.4ft
Maximum Cutting Height
31ft
Maximum Loading Height
21.3ft
Minimum Loading Height
7.1ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
21.6ft
Maximum Vertical Wall Digging Depth
18.8ft
Bucket Digging Force - ISO
38811lbf
Stick Digging Force - ISO
23911lbf

Hydraulic System

Main System - Maximum Flow
429 l/min (113 gal/min)
Maximum Pressure - Equipment
5075psi
Maximum Pressure - Travel
4974psi
Maximum Pressure - Swing
3988psi

Swing Mechanism

Swing Speed
11.25r/min
Maximum Swing Torque
60300ft·lbf

Service Refill Capacities

Fuel Tank Capacity
86.6gal (US)
Cooling System
6.6gal (US)
Engine Oil
6.6gal (US)
Swing Drive - Each
3.2gal (US)
Final Drive - Each
1.3gal (US)
Hydraulic System - Including Tank
61.8gal (US)
Hydraulic Tank
30.4gal (US)
DEF Tank
10.8gal (US)

Dimensions

Boom
Reach 5.7 m (18'8")
Stick
Reach 2.9 m (9'6")
Bucket
HD 1.19 m³ (1.56 yd³)
Shipping Height - Top of Cab
9.9ft
Handrail Height
9.8ft
Shipping Length
31.3ft
Tail Swing Radius
9.3ft
Counterweight Clearance
1.7ft
Ground Clearance
1.7ft
Track Length
14.7ft
Length to Center of Rollers
12ft
Track Gauge
7.9ft
Transport Width
9.9ft

Optional Equipment:

    Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
    Cat Technology
    • Cat GRADE with Advanced 2D
    • Cat GRADE with 3D
    Engine
    • 52° C (125° F) high-ambient cooling capacity
    Hydraulic System
    • Hammer return filter circuit
    • Combined flow/high pressure aux circuit
    • Medium pressure aux circuit
    • Quick coupler circuit for Cat Pin Grabber
    • Boom /Stick lowering check valves (BLCV/SLCV)
    • Heavy lift configuration
    Undercarriage And Guards
    • HD bottom guard for demolition
    • Swivel guard for demolition
    • HD travel motor guards for demolition
    • 4200 kg (9,260 lb) counterweight
    • Semi-HD swing frame for 4200 kg counterweight
    • Standard Swing bearing for 4200 kg counterweight
    • Base frame with HD track rollers and standard carrier rollers for 4200 kg counterweight
    • Track guiding guard, full length
    • SD base frame w/ SD track rollers & SD carrier rollers
    Undercarriage And Structures
    • 600 mm (24") single grouser track shoes
    • 700 mm (28 ") triple grouser HD track shoes
    • 790 mm (31 ") triple grouser HD track shoes
    • 900 mm (35") triple grouser HD track shoes
    Boom,sticks & Linkages
    • 5.7 m (18'8") HD reach boom +2.9 m (9'6") HD stick for demolition
    • VA boom (2.8m (9'2") stub + 3.3m (10'10") fore) - Europe only
    • Bucket linkage, B1-family with lifting eye
    • Bucket linkage , B1-family without power link with Lifting Eye (Europe only)
    • Power link kit , B1-family with lifting Eye (Europe only)
    Electrical System
    • 1000 CCA maintenance-free batteries (x4) for cold starting capability -32C°
    • LED chassis light, left and right hand boom lights ,cab lights w/ cover and rain protector - 850 lumens, for use with 360° visibility
    • LED chassis light, left and right hand boom lights for VAB, cab lights - 850 lumens (Europe only)
    • LED chassis light, left and right hand boom lights for VAB, cab lights w/ cover and rain protector - 850 lumens, for use with 360° visibility (Europe only)
    • Premium surround lighting package
    Service & Maintenance
    • Preventative maintenance ready (Quick-Evac)
    • Radiator screen
    Safety & Security
    • 360° visibility
    • Right hand side mirror (Europe only)
    • Rearview and right-hand-sideview camera
    • Cat Command remote control
    Premium Cab Upgrades, Standard Plus
    • ROPS, advanced sound suppression
    • High resolution 10" (254 mm) LCD touch screen monitor (only for use with 360° visibility).
    • High resolution 10" (254 mm) LCD touch screen monitor + additional monitor (only for use with 360° visibility and Cat Grade with Advanced 2D or Cat Grade with 3D).
    • Seat ventilator
    • Parallel wiper with lower parallel w/wisher
    • Roller rear sunscreen
    • Rain protector and cab light covers (only for use with 360° visibility).
    Bucket
    • HD buckets 1.19m³ (1.56yd³), 1.3m³ (1.71yd³), 1.38m³ (1.81 yd³)