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Excavators

323 Hydraulic Excavator

Engine Model Cat C7.1 ACERT
Net Flywheel Power 162 hp
Operating Weight- North America 56200 lb
Gross Power – SAE J1995 164 hp

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 equipment right from the factory — boosting your operator efficiency by up to 45%. Combine these features with a new cab, longer maintenance intervals and reduced fuel consumption that lower maintenance costs by up to 15% and fuel consumption by up to 20% and you have an absolutely low-cost-per-unit-of-production excavator built for your heavy-duty applications.

Engine

Engine Model
Cat C7.1 ACERT
Net Flywheel Power
162hp
Gross Power – SAE J1995
164hp
Net Power – SAE J1349
162hp
Bore
4in
Stroke
5in
Displacement
428in3
Engine rpm: Operation
1650rpm
Engine rpm: Travel
1800rpm
Engine Model
Cat C7.1e TA
Net Flywheel Power
162HP
Bore
4in
Stroke
5in
Displacement
428in³
Gross Power - SAE J1995
164HP
Net Power - SAE J1349
162HP
Engine RPM - Operation
1650r/min
Engine RPM - Travel
1800r/min
Engine Power - ISO 9249
172HP
Engine Power - ISO 14396
173HP
Net Power - ISO 9249
172HP

Weights

Operating Weight- North America
56200lb
Note
Long Undercarriage, HD Reach Boom, R 2.9 HD Thumb Ready Reach Stick, HD 1.38 m3 bucket and 790mm HD TG shoes, 5.4mton( 11,900lb) Counterweight.
Operating Weight - Europe/Australia & New Zealand
53790lb
Note
Long undercarriage, Reach boom, R2.9 (9'6") stick, HD 1.38 m3 (1.81 yd3) bucket and 600mm (24 in) triple grouser shoes, 4.2 mt (9,300 lb) counterweight.
Note (1)
Long Undercarriage, HD Reach Boom, R 2.9 HD Thumb Ready Reach Stick, HD 1.38 m3 bucket and 790mm HD TG shoes, 5.4mton( 11,900lb) Counterweight.
Operating Weight - North America
56200lb
Note (2)
Long undercarriage, Reach boom, R2.9 (9'6") stick, HD 1.38 m3 (1.81 yd3) bucket and 600mm (24 in) triple grouser shoes, 4.2 mt (9,300 lb) counterweight.
Operating Weight
56200lb

Hydraulic System

Main System – Maximum Flow (Total)
113gal/min
Maximum Pressure - Equipment - Normal
5075psi
Maximum Pressure – Travel
4974psi
Maximum Pressure – Swing
3886psi
Main System - Maximum Flow - Total
113gal/min
Maximum Pressure - Swing
3988psi
Maximum Pressure - Travel
4974psi
Main System - Maximum Flow
429 l/min (113 gal/min)
Maximum Pressure - Equipment
5075psi

Drive

Maximum gradeability
35°--70%
Maximum Travel Speed
3.5mph
Maximum Drawbar Pull
45614lbf
Maximum Drawbar Pull
45614lbf
Maximum Travel Speed
3.5mile/h
Maximum Gradeability
35°--70%

Swing

Swing Speed
11.25rpm
Maximum Swing Torque
54440lbf-ft
Maximum Swing Torque
54440ft·lbf
Swing Speed
11.25r/min

Service Refill Capacities

Fuel Tank Capacity
96.2gal
Cooling System
6.6gal
Engine Oil
6.6gal
Swing Drive (each)
1.3gal
Final Drive (each)
1.3gal
Hydraulic System (including tank)
57.6gal
Hydraulic Tank
30.4gal
DEF Tank
7.9gal
Fuel Tank Capacity
86.6gal (US)
Cooling System
6.6gal (US)
Engine Oil
6.6gal (US)
Final Drive - Each
1.3gal (US)
Hydraulic System - Including Tank
61.8gal (US)
Hydraulic Tank
30.4gal (US)
DEF Tank
10.8gal (US)
Swing Drive - Each
3.2gal (US)

Dimensions: Reach Boom 5.7 m (18'8"); R2.9 (9'6") Stick

Shipping Height
10.2ft
Shipping Length
31.3ft
Track Length-Length to Center of Rollers
12.0ft
Track Gauge
7.8ft
Transport Width: 600 mm (24 in) Shoes
9.8ft
Transport Width: 700 mm (28 in) Shoes
10.1ft
Transport Width: 790 mm (31 in) Shoes
10.4ft
Counterweight Clearance
3.4ft
Note
With HD 1.3m3 bucket and 900 mm shoes.
Note
Reach boom as same dimensions as HD reach boom

Dimensions: Reach Boom 5.7 m (18'8"); R2.9 (9'6") Stick

Tail Swing Radius
9.3ft
Ground Clearance
1.5ft

Dimensions - Reach Boom - 5.7 m (18'8

Transport Width - 900 mm (35 in) Shoes
10.8ft
Counterweight Clearance
3.4ft
Note (1)
With HD 1.3m3 bucket and 900 mm shoes.
Note (2)
Reach boom as same dimensions as HD reach boom
Shipping Height
10.2ft
Shipping Length
31.3ft
Track Gauge
7.8ft
Track Length - Center of Rollers
12ft
Transport Width - 600 mm (24 in) Shoes
9.8ft
Transport Width - 700 mm (28 in) Shoes
10.1ft
Transport Width - 790 mm (31 in) Shoes
10.4ft

Working Ranges: Reach Boom 5.7 m (18'8"); R2.9 (9'6") Stick

Maximum Digging Depth
22.1ft
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 (8'0") Level Bottom
21.5ft
Maximum Vertical Wall Digging Depth
18.8ft

Dimensions - Reach Boom - 5.7 m (18'8

Ground Clearance
1.5ft
Tail Swing Radius
9.3ft

Working Ranges - Reach Boom - 5.7 m (18'8

Maximum Cutting Height
31ft
Maximum Digging Depth
22.1ft
Maximum Loading Height
21.3ft
Maximum Reach - Ground Level
32.4ft
Maximum Vertical Wall Digging Depth
18.8ft
Minimum Loading Height
7.1ft

Dimensions

Maximum Depth Cut for 2440 mm (8'0") Level Bottom
21.5ft

Swing Mechanism

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

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

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

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cat Technology
    • Cat GRADE with 2D
    • Cat Assist (Boom Assist, Bucket Assist, Swing Assist, Grade Assist)
    • Auto Dig Boost
    • Cat Payload (Cat Payload, Static Weigh, Auto-Calibration)
    • 2D E-fence
    • Cat Product Link
  • Engine
    • Cat C7.1 electronically-controlled turbo-charged Tier 4 Final diesel engine
    • Meets U.S. EPA Tier 4 Final and EU Stage IV emissions standards.
    • Three selectable power modes
    • One-touch low idle with auto engine speed control
    • Auto engine idle shutdown
    • Recommended for use up to 4500 m altitude (14,764 ft) with engine power derate above 3000 m (9,842.5 ft).
    • 46° C (115° F) high-ambient cooling capacity
    • Cold starting capability for - 32° C (- 25° F)
    • Double element air filter with integrated pre-cleaner
    • Electric fuel priming pump
    • Reversible electric cooling fans
    • Biodiesel capability up to B20
  • Hydraulic System
    • Boom and stick regeneration circuits
    • Electronic main control valve
    • Auto warm up
    • Auto two-speed travel
    • Boom and stick drift reduction valve
    • Element type main hydraulic filter
    • Slider joysticks
    • Electronic main pump
    • Electric refueling pump (Europe only)
  • Standard Deluxe Cab
    • ROPS, standard sound suppression
    • High-resolution 8" (203 mm) LCD touchscreen monitor
    • Auto Bi-level air conditioner
    • Jog dial and shortcut keys for monitor control
    • Keyless push-to-start engine control
    • Height-adjustable console, inifinite with no tool
    • Air-adjustable seat suspension
    • Seat belt, retractable (51 mm [2 "] width)
    • Seat Heater
    • Tilt-up left side console
    • Bluetooth® integrated radio with USB ports
    • 12V DC outlets
    • Document storage
    • Cup and bottle holders
    • Two-piece front window, openable
    • Upper Radial wiper with 70/30 w/washer
    • LED dome and lower interior lights
    • Roller front sunscreen
    • Beacon ready
    • Washable floor mat
    • Polycarbonate skylight hatch, openable
  • Undercarriage And Structures
    • Tiedown points on base frame
    • Segmented track guiding guards
    • Bottom guards
    • Travel motor guards
    • Grease lubricated track links
    • Swivel guard for demolition
    • Final drive with standard travel motor
    • 5400 kg (11,900 lb) counterweight for demolition
    • HD swing frame for 5400 kg counterweight
    • HD swing bearing for 5400 kg counterweight
    • HD base frame with SD track rollers and standard carrier rollers for 5400 kg counterweight
    • 600 mm (24 ") triple grouser track shoes
  • Boom, Sticks And Linkages
    • 5.7 m (18'8") reach boom
    • 2.9 m (9'6 ") stick
    • Bucket Linkage, B1-family w/ lifting Eye
  • Electrical
    • 1000 CCA maintenance-free batteries (x2)
    • Centralized electrical disconnect switch
    • Programmable time-delay LED working lights
    • LED chassis light, left and right hand boom lights for reach, Cab lights-850 Lumens
  • Safety & Security
    • Rearview camera and side right hand mirror
    • Neutral lever (lock out) for all controls
    • Anti-skid plate and countersunk bolts on service platform
    • Ground-level accessible secondary engine shutoff switch in cab
    • Bluetooth receiver
    • Right-hand handrail and hand hold
    • Travel alarm (US only)
  • Service & Maintenance
    • Sampling ports for Scheduled Oil Sampling (S·O·S℠)
    • Grouped location for engine oil and fuel filters
    • Ground-level 2nd dipstick for engine oil

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)