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323 Hydraulic Excavator 10837

323 Hydraulic Excavator
10837 323 Hydraulic Excavator

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 to take your business to the next level.

CAT
Medium Excavators
Price: Request a Quote

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 to take your business to the next level.

Net Power - ISO 9249
172 HP
Operating Weight
55100 lb
Maximum Digging Depth
22.1 ft
Net Power - ISO 9249 (DIN)
175 hp (metric)

Engine

Net Power - ISO 9249
172HP
Net Power - ISO 9249 (DIN)
175hp (metric)
Engine Model
Cat C7.1
Engine Power - ISO 14396
174HP
Engine Power - ISO 14396 (DIN)
176hp (metric)
Bore
4in
Stroke
5in
Displacement
428in³
Biodiesel Capability
Up to B20¹
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
Note (1)
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 2,200 rpm. Advertised power is tested per the specified standard in effect at the time
Note (2)
¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO

Weights

Operating Weight
55100lb
Note
Long undercarriage, Reach boom, R2.9 (9'6"), Reach stick, Heavy Duty (HD) 1.38 m³ (1.81 yd³) bucket, 790 mm (31") HD triple grouser track shoes and 5,400 kg (11,900 lb) counterweight.

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
21.5ft
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
1.6gal (US)
Final Drive - Each
1.3gal (US)
Hydraulic System - Including Tank
61.8gal (US)
Hydraulic Tank
30.4gal (US)
DEF Tank
10.8gal (US)

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
9.7ft
Handrail Height
9.7ft
Shipping Length
31.3ft
Tail Swing Radius
9.3ft
Counterweight Clearance
3.4ft
Ground Clearance
1.5ft
Track Length
14.6ft
Length to Center of Rollers
12ft
Track Gauge
7.8ft
Transport Width
10.4ft

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons).

Sustainability

Recyclability
98%

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Rollover protective structure (ROPS)
    • Air-adjustable seat with heat (Deluxe only)
    • Auto-adjustable seat with heat and air ventilation (Premium only)
    • High-resolution 254 mm (10 in) LCD touchscreen monitor
  • Cat Technology
    • VisionLink®
    • Remote Flash
    • Remote Troubleshoot
    • Cat Grade 2D
    • Cat Assist
    • Cat Payload
  • Electrical System
    • Two 1,000 CCA maintenance-free batteries
    • Programmable time-delay LED working lights
    • LED chassis light, left-hand/right-hand boom lights, cab lights
  • Engine
    • Cat 7.1 single turbo diesel engine
    • Three selectable power modes
    • Automatic engine speed control
    • 46°C (115°F) high-ambient cooling capacity (Europe only)
    • 52°C (125°F) high-ambient cooling capacity
    • -18°C (0°F) cold start capability
    • Double element air filter with integrated precleaner
    • Reversing electric cooling fans
  • Hydraulic System
    • Boom and stick regeneration circuits
    • Auto hydraulic warm up
    • Auto two-speed travel
    • Boom and stick drift reduction valve
    • Auto dig boost
    • Auto heavy lift
  • Safety And Security
    • 2D E-Fence
    • Auto hammer stop
    • Rearview camera
    • Right-side-view camera
    • Lockable disconnect switch
    • Ground-level engine shutoff switch
    • Right-hand handrail and handhold
    • Signaling/warning horn
  • Service And Maintenance
    • Sampling ports for Scheduled Oil Sampling (S·O·S℠)
    • Ground-level and platform-level engine oil dipsticks
    • Integrated vehicle health management system
  • Undercarriage And Structures
    • Tie-down points on base frame

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 (Chile, Turkey only)
    • 2.9 m (9'6") HD Reach stick (Chile, 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
  • Cat Technology
    • VisionLink Productivity
    • Cat Grade Connectivity
    • Cat Grade 2D with Attachment Ready Option (ARO)
    • Cat Grade 3D single GNSS
    • Cat Grade 3D dual GNSS
    • Cat Tilt Rotator (TRS) Integration
    • Operator Coaching
  • Engine
    • -32°C (-25°F) cold start capability
  • Hydraulic System
    • Boom and stick lowering check valves
    • SmartBoom (Europe only)
    • Hammer return filter circuit
    • Advanced tool control (two pump, one/two way high-pressure flow)
    • Hydraulic efficiency monitoring
    • Medium-pressure circuit
    • Quick coupler circuit for Cat Pin Grabber
  • Safety And Security
    • Cat Command (remote control)
    • 360° visibility
    • Inspection lighting
  • Undercarriage And Structures
    • 600 mm (24") single grouser shoes
    • 600 mm (24") HD double grouser shoes
    • 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
    • 4200 kg (9,300 lb) counterweight

Specifications

Engine

Net Power - ISO 9249
172HP
Net Power - ISO 9249 (DIN)
175hp (metric)
Engine Model
Cat C7.1
Engine Power - ISO 14396
174HP
Engine Power - ISO 14396 (DIN)
176hp (metric)
Bore
4in
Stroke
5in
Displacement
428in³
Biodiesel Capability
Up to B20¹
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
Note (1)
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 2,200 rpm. Advertised power is tested per the specified standard in effect at the time
Note (2)
¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO

Weights

Operating Weight
55100lb
Note
Long undercarriage, Reach boom, R2.9 (9'6"), Reach stick, Heavy Duty (HD) 1.38 m³ (1.81 yd³) bucket, 790 mm (31") HD triple grouser track shoes and 5,400 kg (11,900 lb) counterweight.

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
21.5ft
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
1.6gal (US)
Final Drive - Each
1.3gal (US)
Hydraulic System - Including Tank
61.8gal (US)
Hydraulic Tank
30.4gal (US)
DEF Tank
10.8gal (US)

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
9.7ft
Handrail Height
9.7ft
Shipping Length
31.3ft
Tail Swing Radius
9.3ft
Counterweight Clearance
3.4ft
Ground Clearance
1.5ft
Track Length
14.6ft
Length to Center of Rollers
12ft
Track Gauge
7.8ft
Transport Width
10.4ft

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons).

Sustainability

Recyclability
98%

Standard/Optional Features

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Rollover protective structure (ROPS)
    • Air-adjustable seat with heat (Deluxe only)
    • Auto-adjustable seat with heat and air ventilation (Premium only)
    • High-resolution 254 mm (10 in) LCD touchscreen monitor
  • Cat Technology
    • VisionLink®
    • Remote Flash
    • Remote Troubleshoot
    • Cat Grade 2D
    • Cat Assist
    • Cat Payload
  • Electrical System
    • Two 1,000 CCA maintenance-free batteries
    • Programmable time-delay LED working lights
    • LED chassis light, left-hand/right-hand boom lights, cab lights
  • Engine
    • Cat 7.1 single turbo diesel engine
    • Three selectable power modes
    • Automatic engine speed control
    • 46°C (115°F) high-ambient cooling capacity (Europe only)
    • 52°C (125°F) high-ambient cooling capacity
    • -18°C (0°F) cold start capability
    • Double element air filter with integrated precleaner
    • Reversing electric cooling fans
  • Hydraulic System
    • Boom and stick regeneration circuits
    • Auto hydraulic warm up
    • Auto two-speed travel
    • Boom and stick drift reduction valve
    • Auto dig boost
    • Auto heavy lift
  • Safety And Security
    • 2D E-Fence
    • Auto hammer stop
    • Rearview camera
    • Right-side-view camera
    • Lockable disconnect switch
    • Ground-level engine shutoff switch
    • Right-hand handrail and handhold
    • Signaling/warning horn
  • Service And Maintenance
    • Sampling ports for Scheduled Oil Sampling (S·O·S℠)
    • Ground-level and platform-level engine oil dipsticks
    • Integrated vehicle health management system
  • Undercarriage And Structures
    • Tie-down points on base frame

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 (Chile, Turkey only)
    • 2.9 m (9'6") HD Reach stick (Chile, 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
  • Cat Technology
    • VisionLink Productivity
    • Cat Grade Connectivity
    • Cat Grade 2D with Attachment Ready Option (ARO)
    • Cat Grade 3D single GNSS
    • Cat Grade 3D dual GNSS
    • Cat Tilt Rotator (TRS) Integration
    • Operator Coaching
  • Engine
    • -32°C (-25°F) cold start capability
  • Hydraulic System
    • Boom and stick lowering check valves
    • SmartBoom (Europe only)
    • Hammer return filter circuit
    • Advanced tool control (two pump, one/two way high-pressure flow)
    • Hydraulic efficiency monitoring
    • Medium-pressure circuit
    • Quick coupler circuit for Cat Pin Grabber
  • Safety And Security
    • Cat Command (remote control)
    • 360° visibility
    • Inspection lighting
  • Undercarriage And Structures
    • 600 mm (24") single grouser shoes
    • 600 mm (24") HD double grouser shoes
    • 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
    • 4200 kg (9,300 lb) counterweight

Attachments