323

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 — 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 15% and you have an absolutely low-cost-per-unit-of-production excavator built for your heavy-duty applications.
Engine ModelCat C7.1 ACERT
Net Flywheel Power117 kW157 HP
Bore105 mm4 in
Stroke135 mm5 in
Displacement7.01 l428 in³
Gross Power - SAE J1995118 kW158 HP
Net Power - SAE J1349117 kW157 HP
Note (1)R5.7 (18'8") HD boom, R2.9 (9'6") HD stick, HD 1.18 m3 (1.54 yd3) bucket and 600 mm (24 ") TG track shoes. 4.2 mt counterweight.
Fuel Tank Capacity345 l86.6 gal (US)
Cooling System25 l6.6 gal (US)
Engine Oil25 l6.6 gal (US)
Final Drive - Each5 l1.3 gal (US)
Hydraulic System - Including Tank234 l61.8 gal (US)
Hydraulic Tank115 l30.4 gal (US)
Swing Drive - Each5 l1.3 gal (US)
Maximum Swing Torque74 kN·m54440 lb/ft
Swing Speed11.25 r/min11.25 r/min
Maximum Drawbar Pull203 kN45614 lbf
Maximum Travel Speed5.7 km/h3.5 mile/h
Main System - Maximum Flow - Total429 l/min113 gal/min
Maximum Pressure - Equipment - Normal35000 kPa5075 psi
Maximum Pressure - Swing26800 kPa3886 psi
Maximum Pressure - Travel34300 kPa4974 psi
Maximum Operating Weight24500 kg54000 lb
Counterweight Clearance1050 mm3.4 ft
Note (1)With GD 1.3m3(1.7 yd3) bucket and 790 mm (31") shoes.
Note (2)Reach boom as same dimensions as HD reach boom
Shipping Height2960 mm9.7 ft
Shipping Length9530 mm31.3 ft
Track Gauge2380 mm7.8 ft
Track Length - Center of Rollers3650 mm12 ft
Transport Width - 600 mm (24 in) Shoes2980 mm9.8 ft
Transport Width - 700 mm (28 in) Shoes3080 mm10.1 ft
Transport Width - 790 mm (31 in) Shoes3170 mm10.4 ft
Ground Clearance470 mm1.5 ft
Tail Swing Radius2830 mm9.3 ft
Maximum Gradeability35°--70%
Engine RPM - Operation1650 r/min1650 r/min
Engine RPM - Travel1800 r/min1800 r/min
Note (2)R5.7 (18'8") HD reach boom,R2.9 (9'6") HD reach stick, HD 1.38 m3 (1.81 yd3) bucket and 790 mm (31 ") TG track shoes, 5.4mt counterweight
Maximum Cutting Height9450 mm31 ft
Maximum Depth Cut for 2440 mm (8'0") Level Bottom6560 mm21.5 ft
Maximum Digging Depth6730 mm22.1 ft
Maximum Loading Height6480 mm21.3 ft
Maximum Reach - Ground Level9870 mm32.4 ft
Maximum Vertical Wall Digging Depth5740 mm18.8 ft
Minimum Loading Height2160 mm7.1 ft

323 Standard Equipment

  • CAT CONNECT TECHNOLOGY
    • Cat GRADE with 2D (Not available on SLR)
    • Cat Assist (Boom Assist, Bucket Assist, Swing Assist, Grade Assist)
    • Cat Payload (Payload Information, Static Weigh, Auto-Calibration)
    • 2D E-fence
    • Cat Product Link™
  • ENGINE
    • Cat C7.1 ACERT™ electronically controlled turbo-charged diesel engine
    • Meets worldwide Tier 3/stage IIIA equivalent emission 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 (14,764 ft) altitude with engine power de-rate above 3000 m (9,842.5 ft).
    • 52º C (125º F) high-ambient cooling capacity
    • Cold starting capability for -18° C (- 0° 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 hydraulic warm up
    • Automatic two-speed travel
    • Boom and stick drift reduction valve
    • Element type main hydraulic filter
    • Slider joysticks
    • Electronic main pump
  • STANDARD COMFORT 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
    • Mechanically adjustable seat suspension
    • Seat belt, retractable (51 mm [2"] width)
    • Fixed up left side console
    • Bluetooth® integrated radio with USB ports
    • 12V DC outlets (x2)
    • Document storage
    • Cup and bottle holders
    • Two-piece front window, openable
    • Upper radial wiper w/washer
    • LED dome and lower interior lights
    • Roller front sunscreen
    • Beacon ready
    • Washable floor mat
    • Polycarbonate skylight hatch, openable
  • UNDERCARRIAGE AND STRUCTURES
    • Tie-down points on base frame (ISO 15818 compliant)
    • Segmented track guiding guards
    • Standard bottom guards
    • Standard travel motor guards
    • Grease lubricated track links
    • 5400 kg (11,900 lb) counterweight
    • HD swing frame
    • HD swing bearing
    • HD base frame with SD track rollers and standard carrier rollers
    • Final drive with standard travel motor
  • BOOM, STICKS AND LINKAGES
    • 5.7 m (18'8") HD reach boom
    • 2.9 m (9'6") HD stick
    • 600 mm (24") triple grouser track shoes
    • Bucket linkage, B1 family with 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)
  • 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

323 Optional Equipment

  • CAT CONNECT TECHNOLOGY
    • Cat GRADE with Advanced 2D
    • Cat GRADE with 3D
  • ENGINE
    • Cold starting capability for - 32° C (- 25° F)
  • HYDRAULIC SYSTEM
    • Hammer return filter circuit
    • Combined flow/high pressure aux circuit
    • Medium pressure aux circuit
    • Quick coupler circuit for Cat Pin Grabber
  • UNDERCARRIAGE AND GUARDS
    • Heavy-duty bottom guard
    • Standard swivel guard
    • Heavy-duty travel motor guards
    • 4200 kg (9,260 lb) counterweight
    • Semi-HD swing frame
    • Semi-HD swing bearing
    • SD base frame with SD track rollers and SD carrier rollers
  • BOOM,STICKS & LINKAGES
    • 600mm (24") double grouser track shoes
    • 700 mm (28") triple grouser track shoes
    • 790 mm (31") triple grouser track shoes
    • 5.7 m (18'8") HD reach boom
    • 2.5 m (8'2") HD stick
    • Bucket linkage, B1 family without lifting eye
  • ELECTRICAL SYSTEM
    • 1000 CCA Maintenance-free batteries (x4) for cold starting capability -32°C
  • SERVICE & MAINTENANCE
    • Preventative maintenance ready (Quick Evac)
  • SAFETY & SECURITY
    • 360° visibility
    • Radiator screen
    • Rearview and RH sideview camera
    • Travel alarm
  • COMFORT CAB UPGRADES, STANDARD PLUS
    • High-resolution 8" (203 mm) LCD touchscreen monitor + additional monitor (Only for use with Cat GRADE with Advanced 2D or Cat GRADE with 3D).
    • 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).
    • Roller rear sunscreen
    • Rain protector and cab light covers (Only for use with 360° Visibility.).
    • Air-adjustable seat suspension
    • Tilt-up left side console
  • BUCKET
    • General duty buckets 1.14 m3 (1.49 yd3)
    • Heavy duty buckets from 1.3 m3 (1.71 yd3) to1.38 m3 (1.81 yd3)
    • Sever duty buckets 1.19 m3 (1.56 yd3)

Exterior

Interior

CVP110

Impulse Force
110 kN24669 lb

Cycles/Minimum
2200

Base Plate Width
864 mm34 in

G315B

Capacity
550 l0.72 yd³

Weight - Including Bracket
1400 kg3080 lb

Closing Force
52 kN2.05 Sh Ton

G320B

Capacity
750 l0.98 yd³

Weight - Including Bracket
1875 kg4125 lb

Closing Force
66 kN2.6 Sh Ton

GSH420 4-Tine, 600-Liter Orange Peel Grapple

Tine Count
4

Shell Type Options
Semi-open

Capacity
600 l0.75 yd³

GSH525 5-Tine, 1150-Liter Orange Peel Grapple

Tine Count
5

Shell Type Options
Semi-open

Capacity
1150 l1.5 yd³

GSV525 5-Tine, 1150-Liter Orange Peel Grapple

Tine Count
5

Shell Type Options
Semi-open, Closed

Capacity
1150 l1.5 yd³

H120GC

Impact Energy Class
4 J2950 ft-lb

Blows per Minute
400-800

Maximum Operating Weight
1866 kg4105.2 lb

H120GC S

Impact Energy Class
4 J2950 ft-lb

Blows per Minute
400-800

Maximum Operating Weight
1785 kg3927 lb

H115E S

Tool Shaft Diameter
109.5 mm4.31 in

Impact Energy Class
4067 J3000 ft·lbf

Blows per Minute
370-800

H120E S

Tool Shaft Diameter
119.5 mm4.7 in

Impact Energy Class
4745 J3500 ft·lbf

Blows per Minute
350-620

H130E S

Tool Shaft Diameter
129.5 mm5.1 in

Impact Energy Class
6101 J4500 ft·lbf

Blows per Minute
320-600

MP318 Demolition Jaw

Cycle Time - Open
1.6 s1.6 s

Cycle Time - Close
1 s1 s

Crushing Force - Primary Cutter
2687 kN302 Sh Ton

MP318 Universal Jaw

Cycle Time - Close
0.016 0.01

Cycle Time - Open
0.016 0.01

Cycle Time - Open
1.6 s1 s

MP318 Pulverizer Jaw

Cycle Time - Open
1.6 s1.6 s

Cycle Time - Close
1 s1 s

Crushing Force - Tooth Tip
781 kN88 Sh Ton

MP318 Shear Jaw

Cycle Time - Open
1.6 s1.6 s

Cycle Time - Close
1 s1 s

Cutting Force - Blade Throat
110 kN975 Sh Ton

P215

Closing Force - Tip
119 t117 Sh Ton

Closing Force - Rebar Cutter
230 t226 Sh Ton

Capacity - Concrete Thickness
650 mm26 in

Specifications

Engine ModelCat C7.1 ACERT
Net Flywheel Power117 kW157 HP
Bore105 mm4 in
Stroke135 mm5 in
Displacement7.01 l428 in³
Gross Power - SAE J1995118 kW158 HP
Net Power - SAE J1349117 kW157 HP
Note (1)R5.7 (18'8") HD boom, R2.9 (9'6") HD stick, HD 1.18 m3 (1.54 yd3) bucket and 600 mm (24 ") TG track shoes. 4.2 mt counterweight.
Fuel Tank Capacity345 l86.6 gal (US)
Cooling System25 l6.6 gal (US)
Engine Oil25 l6.6 gal (US)
Final Drive - Each5 l1.3 gal (US)
Hydraulic System - Including Tank234 l61.8 gal (US)
Hydraulic Tank115 l30.4 gal (US)
Swing Drive - Each5 l1.3 gal (US)
Maximum Swing Torque74 kN·m54440 lb/ft
Swing Speed11.25 r/min11.25 r/min
Maximum Drawbar Pull203 kN45614 lbf
Maximum Travel Speed5.7 km/h3.5 mile/h
Main System - Maximum Flow - Total429 l/min113 gal/min
Maximum Pressure - Equipment - Normal35000 kPa5075 psi
Maximum Pressure - Swing26800 kPa3886 psi
Maximum Pressure - Travel34300 kPa4974 psi
Maximum Operating Weight24500 kg54000 lb
Counterweight Clearance1050 mm3.4 ft
Note (1)With GD 1.3m3(1.7 yd3) bucket and 790 mm (31") shoes.
Note (2)Reach boom as same dimensions as HD reach boom
Shipping Height2960 mm9.7 ft
Shipping Length9530 mm31.3 ft
Track Gauge2380 mm7.8 ft
Track Length - Center of Rollers3650 mm12 ft
Transport Width - 600 mm (24 in) Shoes2980 mm9.8 ft
Transport Width - 700 mm (28 in) Shoes3080 mm10.1 ft
Transport Width - 790 mm (31 in) Shoes3170 mm10.4 ft
Ground Clearance470 mm1.5 ft
Tail Swing Radius2830 mm9.3 ft
Maximum Gradeability35°--70%
Engine RPM - Operation1650 r/min1650 r/min
Engine RPM - Travel1800 r/min1800 r/min
Note (2)R5.7 (18'8") HD reach boom,R2.9 (9'6") HD reach stick, HD 1.38 m3 (1.81 yd3) bucket and 790 mm (31 ") TG track shoes, 5.4mt counterweight
Maximum Cutting Height9450 mm31 ft
Maximum Depth Cut for 2440 mm (8'0") Level Bottom6560 mm21.5 ft
Maximum Digging Depth6730 mm22.1 ft
Maximum Loading Height6480 mm21.3 ft
Maximum Reach - Ground Level9870 mm32.4 ft
Maximum Vertical Wall Digging Depth5740 mm18.8 ft
Minimum Loading Height2160 mm7.1 ft

Equipment

323 Standard Equipment

  • CAT CONNECT TECHNOLOGY
    • Cat GRADE with 2D (Not available on SLR)
    • Cat Assist (Boom Assist, Bucket Assist, Swing Assist, Grade Assist)
    • Cat Payload (Payload Information, Static Weigh, Auto-Calibration)
    • 2D E-fence
    • Cat Product Link™
  • ENGINE
    • Cat C7.1 ACERT™ electronically controlled turbo-charged diesel engine
    • Meets worldwide Tier 3/stage IIIA equivalent emission 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 (14,764 ft) altitude with engine power de-rate above 3000 m (9,842.5 ft).
    • 52º C (125º F) high-ambient cooling capacity
    • Cold starting capability for -18° C (- 0° 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 hydraulic warm up
    • Automatic two-speed travel
    • Boom and stick drift reduction valve
    • Element type main hydraulic filter
    • Slider joysticks
    • Electronic main pump
  • STANDARD COMFORT 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
    • Mechanically adjustable seat suspension
    • Seat belt, retractable (51 mm [2"] width)
    • Fixed up left side console
    • Bluetooth® integrated radio with USB ports
    • 12V DC outlets (x2)
    • Document storage
    • Cup and bottle holders
    • Two-piece front window, openable
    • Upper radial wiper w/washer
    • LED dome and lower interior lights
    • Roller front sunscreen
    • Beacon ready
    • Washable floor mat
    • Polycarbonate skylight hatch, openable
  • UNDERCARRIAGE AND STRUCTURES
    • Tie-down points on base frame (ISO 15818 compliant)
    • Segmented track guiding guards
    • Standard bottom guards
    • Standard travel motor guards
    • Grease lubricated track links
    • 5400 kg (11,900 lb) counterweight
    • HD swing frame
    • HD swing bearing
    • HD base frame with SD track rollers and standard carrier rollers
    • Final drive with standard travel motor
  • BOOM, STICKS AND LINKAGES
    • 5.7 m (18'8") HD reach boom
    • 2.9 m (9'6") HD stick
    • 600 mm (24") triple grouser track shoes
    • Bucket linkage, B1 family with 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)
  • 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

323 Optional Equipment

  • CAT CONNECT TECHNOLOGY
    • Cat GRADE with Advanced 2D
    • Cat GRADE with 3D
  • ENGINE
    • Cold starting capability for - 32° C (- 25° F)
  • HYDRAULIC SYSTEM
    • Hammer return filter circuit
    • Combined flow/high pressure aux circuit
    • Medium pressure aux circuit
    • Quick coupler circuit for Cat Pin Grabber
  • UNDERCARRIAGE AND GUARDS
    • Heavy-duty bottom guard
    • Standard swivel guard
    • Heavy-duty travel motor guards
    • 4200 kg (9,260 lb) counterweight
    • Semi-HD swing frame
    • Semi-HD swing bearing
    • SD base frame with SD track rollers and SD carrier rollers
  • BOOM,STICKS & LINKAGES
    • 600mm (24") double grouser track shoes
    • 700 mm (28") triple grouser track shoes
    • 790 mm (31") triple grouser track shoes
    • 5.7 m (18'8") HD reach boom
    • 2.5 m (8'2") HD stick
    • Bucket linkage, B1 family without lifting eye
  • ELECTRICAL SYSTEM
    • 1000 CCA Maintenance-free batteries (x4) for cold starting capability -32°C
  • SERVICE & MAINTENANCE
    • Preventative maintenance ready (Quick Evac)
  • SAFETY & SECURITY
    • 360° visibility
    • Radiator screen
    • Rearview and RH sideview camera
    • Travel alarm
  • COMFORT CAB UPGRADES, STANDARD PLUS
    • High-resolution 8" (203 mm) LCD touchscreen monitor + additional monitor (Only for use with Cat GRADE with Advanced 2D or Cat GRADE with 3D).
    • 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).
    • Roller rear sunscreen
    • Rain protector and cab light covers (Only for use with 360° Visibility.).
    • Air-adjustable seat suspension
    • Tilt-up left side console
  • BUCKET
    • General duty buckets 1.14 m3 (1.49 yd3)
    • Heavy duty buckets from 1.3 m3 (1.71 yd3) to1.38 m3 (1.81 yd3)
    • Sever duty buckets 1.19 m3 (1.56 yd3)

360° Interactive

Exterior

Interior

Related Products

CVP110

Impulse Force
110 kN24669 lb

Cycles/Minimum
2200

Base Plate Width
864 mm34 in

G315B

Capacity
550 l0.72 yd³

Weight - Including Bracket
1400 kg3080 lb

Closing Force
52 kN2.05 Sh Ton

G320B

Capacity
750 l0.98 yd³

Weight - Including Bracket
1875 kg4125 lb

Closing Force
66 kN2.6 Sh Ton

GSH420 4-Tine, 600-Liter Orange Peel Grapple

Tine Count
4

Shell Type Options
Semi-open

Capacity
600 l0.75 yd³

GSH525 5-Tine, 1150-Liter Orange Peel Grapple

Tine Count
5

Shell Type Options
Semi-open

Capacity
1150 l1.5 yd³

GSV525 5-Tine, 1150-Liter Orange Peel Grapple

Tine Count
5

Shell Type Options
Semi-open, Closed

Capacity
1150 l1.5 yd³

H120GC

Impact Energy Class
4 J2950 ft-lb

Blows per Minute
400-800

Maximum Operating Weight
1866 kg4105.2 lb

H120GC S

Impact Energy Class
4 J2950 ft-lb

Blows per Minute
400-800

Maximum Operating Weight
1785 kg3927 lb

H115E S

Tool Shaft Diameter
109.5 mm4.31 in

Impact Energy Class
4067 J3000 ft·lbf

Blows per Minute
370-800

H120E S

Tool Shaft Diameter
119.5 mm4.7 in

Impact Energy Class
4745 J3500 ft·lbf

Blows per Minute
350-620

H130E S

Tool Shaft Diameter
129.5 mm5.1 in

Impact Energy Class
6101 J4500 ft·lbf

Blows per Minute
320-600

MP318 Demolition Jaw

Cycle Time - Open
1.6 s1.6 s

Cycle Time - Close
1 s1 s

Crushing Force - Primary Cutter
2687 kN302 Sh Ton

MP318 Universal Jaw

Cycle Time - Close
0.016 0.01

Cycle Time - Open
0.016 0.01

Cycle Time - Open
1.6 s1 s

MP318 Pulverizer Jaw

Cycle Time - Open
1.6 s1.6 s

Cycle Time - Close
1 s1 s

Crushing Force - Tooth Tip
781 kN88 Sh Ton

MP318 Shear Jaw

Cycle Time - Open
1.6 s1.6 s

Cycle Time - Close
1 s1 s

Cutting Force - Blade Throat
110 kN975 Sh Ton

P215

Closing Force - Tip
119 t117 Sh Ton

Closing Force - Rebar Cutter
230 t226 Sh Ton

Capacity - Concrete Thickness
650 mm26 in

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