323 Hydraulic Excavator

323 Hydraulic Excavator

360° Exterior View

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 ...
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Engine

Net Power - ISO 9249
172HP
Engine Model
Cat C7.1e TA
Engine Power - ISO 14396
174HP
Bore
4in
Stroke
5in
Displacement
428in³

Weights

Operating Weight
54900lb

Working Ranges & Forces

Maximum Digging Depth
22.1ft
Boom
Reach 5.7 m (18'8")
Stick
Reach 2.9 m (9'6")
Bucket
HD 1.30 m³ (1.71 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
34308lbf
Stick Digging Force - ISO
26094lbf

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 1.30 m³ (1.71 yd³)
Shipping Height - Top of Cab
9.9ft
Handrail Height
9.9ft
Shipping Length
31.3ft
Tail Swing Radius
9.3ft
Counterweight Clearance
3.5ft
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.
    Booms And Sticks
    • 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
    Cab
    • Cat Stick Steer
    • Auxiliary relay
    Cat Technology
    • Cat Grade with Advanced 2D
    • Cat Grade with single GNSS
    • Cat Grade with 3D dual GNSS
    Engine
    • -32°C (-25°F) cold start capability
    Hydraulic System
    • 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
    Safety And Security
    • Cat Detect People Detection
    • 360° visibility
    • Swing alarm
    • Cat Command remote control
    • Inspection lighting
    Service And Maintenance
    • Integrated vehicle health management system
    Undercarriage And Structures
    • 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