323 Hydraulic Excavator

At a Glance

Net Power - ISO 9249

172 HP

Operating Weight

56200 lb

Maximum Digging Depth

22.1 ft

Engine Model

Cat C7.1e TA

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Overview

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 â€” 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

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

Weights

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Operating Weight

56200lb

Working Ranges & Forces

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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

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

Swing Mechanism

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

Service Refill Capacities

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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

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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

Standard Equipment:

Note

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Standard and optional equipment may vary. Consult your Cat dealer for details.

Cat Technology

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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

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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

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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

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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, infinite 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

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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

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5.7 m (18'8") reach boom
2.9 m (9'6 ") stick
Bucket Linkage, B1-family w/ lifting Eye

Electrical

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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

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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

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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

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Standard and optional equipment may vary. Consult your Cat dealer for details.

Cat Technology

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Cat GRADE with Advanced 2D
Cat GRADE with 3D

Engine

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52° C (125° F) high-ambient cooling capacity

Hydraulic System

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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
Auto Heavy Lift

Undercarriage And Guards

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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

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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

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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

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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

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Preventative maintenance ready (Quick-Evac)
Radiator screen

Safety & Security

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360° visibility
Right hand side mirror (Europe only)
Rearview and right-hand-sideview camera
Cat Command remote control
Inspection Lighting
Cat Detect People Detection

Premium Cab Upgrades, Standard Plus

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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).
Cat Stick Steer

Bucket

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HD buckets 1.19m³ (1.56yd³), 1.3m³ (1.71yd³), 1.38m³ (1.81 yd³)

Featured Equipment

323 Hydraulic Excavator