323 Hydraulic Excavator

Overview
Engine Model
Cat C7.1 ACERT
Net Flywheel Power
162 hp
Operating Weight- North America
56,200 lb
  • 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 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
162 hp
Gross Power – SAE J1995
164 hp
Net Power – SAE J1349
162 hp
Bore
4 in
Stroke
5 in
Displacement
428 in3
Engine rpm: Operation
1,650 rpm
Engine rpm: Travel
1,800 rpm
Engine Model
Cat C7.1
Net Flywheel Power
162 HP
Bore
4 in
Stroke
5 in
Displacement
428 in³
Gross Power - SAE J1995
164 HP
Net Power - SAE J1349
162 HP
Engine RPM - Operation
1,650 r/min
Engine RPM - Travel
1,800 r/min
Engine Power - ISO 9249
162 HP
Engine Power - ISO 14396
164 HP

Weights

Operating Weight- North America
56,200 lb
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
53,790 lb
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
56,200 lb
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
56,200 lb

Hydraulic System

Main System – Maximum Flow (Total)
113 gal/min
Maximum Pressure - Equipment - Normal
5,075 psi
Maximum Pressure – Travel
4,974 psi
Maximum Pressure – Swing
3,886 psi
Main System - Maximum Flow - Total
113 gal/min
Maximum Pressure - Swing
26,800 kPa
Maximum Pressure - Travel
4,974 psi
Main System - Maximum Flow
429 l/min (113 gal/min)
Maximum Pressure - Equipment
35,000 kPa

Drive

Maximum gradeability
35°--70%
Maximum Travel Speed
4 mph
Maximum Drawbar Pull
45,614 lbf
Maximum Drawbar Pull
45,614 lbf
Maximum Travel Speed
4 mile/h
Maximum Gradeability
35°--70%

Swing

Swing Speed
11 rpm
Maximum Swing Torque
54,440 lbf-ft
Maximum Swing Torque
54,440 ft·lbf
Swing Speed
11 r/min

Service Refill Capacities

Fuel Tank Capacity
96 gal
Cooling System
7 gal
Engine Oil
7 gal
Swing Drive (each)
1 gal
Final Drive (each)
1 gal
Hydraulic System (including tank)
58 gal
Hydraulic Tank
30 gal
DEF Tank
8 gal
Fuel Tank Capacity
87 gal (US)
Cooling System
7 gal (US)
Engine Oil
7 gal (US)
Final Drive - Each
5 l
Hydraulic System - Including Tank
62 gal (US)
Hydraulic Tank
30 gal (US)
DEF Tank
41 l
Swing Drive - Each
1 gal (US)

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

Shipping Height
10 ft
Shipping Length
31 ft
Track Length-Length to Center of Rollers
12 ft
Track Gauge
8 ft
Transport Width: 600 mm (24 in) Shoes
10 ft
Transport Width: 700 mm (28 in) Shoes
10 ft
Transport Width: 790 mm (31 in) Shoes
10 ft
Counterweight Clearance
3 ft
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 ft
Ground Clearance
2 ft

Dimensions - Reach Boom - 5.7 m (18'8

Transport Width - 900 mm (35 in) Shoes
11 ft
Counterweight Clearance
3 ft
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 ft
Shipping Length
31 ft
Track Gauge
8 ft
Track Length - Center of Rollers
12 ft
Transport Width - 600 mm (24 in) Shoes
10 ft
Transport Width - 700 mm (28 in) Shoes
10 ft
Transport Width - 790 mm (31 in) Shoes
10 ft

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

Maximum Digging Depth
22 ft
Maximum Reach at Ground Level
32 ft
Maximum Cutting Height
31 ft
Maximum Loading Height
21 ft
Minimum Loading Height
7 ft
Maximum Depth Cut for 2440 mm (8'0") Level Bottom
22 ft
Maximum Vertical Wall Digging Depth
19 ft

Dimensions - Reach Boom - 5.7 m (18'8

Ground Clearance
2 ft
Tail Swing Radius
9 ft

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

Maximum Cutting Height
31 ft
Maximum Digging Depth
22 ft
Maximum Loading Height
21 ft
Maximum Reach - Ground Level
32 ft
Maximum Vertical Wall Digging Depth
19 ft
Minimum Loading Height
7 ft

Dimensions

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

Swing Mechanism

Swing Speed
11 r/min

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
10 ft
Handrail Height
10 ft
Shipping Length
31 ft
Tail Swing Radius
9 ft
Counterweight Clearance
2 ft
Ground Clearance
2 ft
Track Length
4,450 mm
Length to Center of Rollers
12 ft
Track Gauge
8 ft
Transport Width
10 ft

Working Ranges & Forces

Maximum Digging Depth
22 ft
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 ft
Maximum Cutting Height
31 ft
Maximum Loading Height
6,480 mm
Minimum Loading Height
7 ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
22 ft
Maximum Vertical Wall Digging Depth
5,740 mm
Bucket Digging Force - ISO
38,811 lbf
Stick Digging Force - ISO
23,911 lbf

PERFORMANCE AND PRODUCTIVITY

TECHNOLOGY THAT GETS WORK DONE

DESIGNED FOR OPERATORS

BUILT FOR LONG TERM PRODUCTION

SIMPLE TO OPERATE

LOWER MAINTENANCE COSTS

SAFELY HOME EVERY DAY

  • Cat Connect Technology
    • Cat GRADE with 2D
    • Cat Assist ( Boom Assist, Bucket Assist, Swing Assist, Grade Assist )
    • 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 automatic engine speed control
    • Automatic 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
    • Automatic 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
    • Automatic 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 (ISO 15818 Compliant)
    • Segmented track guiding guards
    • Standard bottom guards
    • Standard travel motor guards
    • Grease lubricated track links
    • Standard 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 5400kg counterweight
  • Boom, Sticks And Linkages
    • 5.7 m (18'8") reach boom
    • 2.9 m (9'6 ") stick
    • 600 mm (24 ") triple grouser track shoes
    • Bucket Linkage, B1-family w/ lifting Eye
  • Electrical
    • Machine electronic control module (x2)
    • 1000 CCA maintenance-free batteries (x2)
    • Centralized electrical disconnect switch
    • Programmable time-delay LED working lights
    • LED chassis light, LH & RH boom lights for reach , Cab lights-850 Lumens
  • Safety & Security
    • Rearview camera and side RH 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
    • RH hand rail and hand hold (ISO 2867 compliant)
    • 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
    • Remote flash
  • Cat Connect 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
    • Heavy-Duty bottom guard for demolition
    • Standard swivel guard for demolition
    • Heavy-Duty 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
  • Boom,sticks & Linkages
    • 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
    • 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, LH & RH boom lights ,cab lights w/ cover and rain protector - 850 lumens, for use with 360° visibility
    • LED chassis light, LH & RH boom lights for VAB, cab lights - 850 lumens (Europe only)
    • LED chassis light, LH & RH boom lights for VAB, cab lights w/ cover and rain protector - 850 lumens, for use with 360° visibility (Europe only)
  • Service & Maintenance
    • Preventative maintenance ready (Quick-Evac)
  • Safety & Security
    • 360° visibility
    • Radiator screen
    • Right hand side mirror (Europe only)
    • Rearview and right hand sideview camera
  • 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
    • Heavy duty buckets 1.19m3(1.56yd3), 1.3m3(1.71yd3), 1.38m3 (1.81 yd3),

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