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.
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Engine
- Net Power - ISO 9249
- 172 hp
- Net Power - ISO 9249 (DIN)
- 175 hp (metric)
- Engine Model
- Cat C7.1
- Engine Power - ISO 14396
- 174 hp
- Engine Power - ISO 14396 (DIN)
- 176 hp (metric)
- Bore
- 4 in
- Stroke
- 5 in
- Displacement
- 428 in³
- Biodiesel Capability
- Up to B20¹
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2,014 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
- 55,100 lb
- 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
- 22.1 ft
- 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
- 32.4 ft
- Maximum Cutting Height
- 31 ft
- Maximum Loading Height
- 21.3 ft
- Minimum Loading Height
- 7.1 ft
- Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
- 21.5 ft
- Maximum Vertical Wall Digging Depth
- 18.8 ft
- Bucket Digging Force - ISO
- 34,308 lbf
- Stick Digging Force - ISO
- 26,094 lbf
Hydraulic System
- Main System - Maximum Flow
- 429 l/min (113 gal/min)
- Maximum Pressure - Equipment
- 5,075 psi
- Maximum Pressure - Travel
- 4,974 psi
- Maximum Pressure - Swing
- 3,988 psi
Swing Mechanism
- Swing Speed
- 11.25 r/min
- Maximum Swing Torque
- 60,300 ft·lbf
Service Refill Capacities
- Fuel Tank Capacity
- 86.6 gal (US)
- Cooling System
- 6.6 gal (US)
- Engine Oil
- 6.6 gal (US)
- Swing Drive - Each
- 1.6 gal (US)
- Final Drive - Each
- 1.3 gal (US)
- Hydraulic System - Including Tank
- 61.8 gal (US)
- Hydraulic Tank
- 30.4 gal (US)
- DEF Tank
- 10.8 gal (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
- 9.7 ft
- Handrail Height
- 9.7 ft
- Shipping Length
- 31.3 ft
- Tail Swing Radius
- 9.3 ft
- Counterweight Clearance
- 3.4 ft
- Ground Clearance
- 1.5 ft
- Track Length
- 14.6 ft
- Length to Center of Rollers
- 12 ft
- Track Gauge
- 7.8 ft
- Transport Width
- 10.4 ft
Air Conditioning System
- Air Conditioning
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1,430). 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
- 172 hp
- Net Power - ISO 9249 (DIN)
- 175 hp (metric)
- Engine Model
- Cat C7.1
- Engine Power - ISO 14396
- 174 hp
- Engine Power - ISO 14396 (DIN)
- 176 hp (metric)
- Bore
- 4 in
- Stroke
- 5 in
- Displacement
- 428 in³
- Biodiesel Capability
- Up to B20¹
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2,014 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
- 55,100 lb
- 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
- 22.1 ft
- 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
- 32.4 ft
- Maximum Cutting Height
- 31 ft
- Maximum Loading Height
- 21.3 ft
- Minimum Loading Height
- 7.1 ft
- Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
- 21.5 ft
- Maximum Vertical Wall Digging Depth
- 18.8 ft
- Bucket Digging Force - ISO
- 34,308 lbf
- Stick Digging Force - ISO
- 26,094 lbf
Hydraulic System
- Main System - Maximum Flow
- 429 l/min (113 gal/min)
- Maximum Pressure - Equipment
- 5,075 psi
- Maximum Pressure - Travel
- 4,974 psi
- Maximum Pressure - Swing
- 3,988 psi
Swing Mechanism
- Swing Speed
- 11.25 r/min
- Maximum Swing Torque
- 60,300 ft·lbf
Service Refill Capacities
- Fuel Tank Capacity
- 86.6 gal (US)
- Cooling System
- 6.6 gal (US)
- Engine Oil
- 6.6 gal (US)
- Swing Drive - Each
- 1.6 gal (US)
- Final Drive - Each
- 1.3 gal (US)
- Hydraulic System - Including Tank
- 61.8 gal (US)
- Hydraulic Tank
- 30.4 gal (US)
- DEF Tank
- 10.8 gal (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
- 9.7 ft
- Handrail Height
- 9.7 ft
- Shipping Length
- 31.3 ft
- Tail Swing Radius
- 9.3 ft
- Counterweight Clearance
- 3.4 ft
- Ground Clearance
- 1.5 ft
- Track Length
- 14.6 ft
- Length to Center of Rollers
- 12 ft
- Track Gauge
- 7.8 ft
- Transport Width
- 10.4 ft
Air Conditioning System
- Air Conditioning
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1,430). 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