323 Hydraulic Excavator
360° Exterior View
360° Interior View
At a Glance
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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 — 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.
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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 |
| Counterweight Clearance | 3.4ft |
| Ground Clearance | 1.5ft |
| Track Length | 14.6ft |
| Length to Center of Rollers | 12ft |
| 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
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Standard and optional equipment may vary. Consult your Cat dealer for details.
Cab
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Rollover protective structure (ROPS)
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Air-adjustable seat with heat (Deluxe only)
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Auto-adjustable seat with heat and air ventilation (Premium only)
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High-resolution 254 mm (10 in) LCD touchscreen monitor
Cat Technology
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VisionLink®
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Remote Flash
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Remote Troubleshoot
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Cat Grade 2D
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Cat Assist
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Cat Payload
Electrical System
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Two 1,000 CCA maintenance-free batteries
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Programmable time-delay LED working lights
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LED chassis light, left-hand/right-hand boom lights, cab lights
Engine
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Cat 7.1 single turbo diesel engine
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Three selectable power modes
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Automatic engine speed control
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46°C (115°F) high-ambient cooling capacity (Europe only)
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52°C (125°F) high-ambient cooling capacity
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-18°C (0°F) cold start capability
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Double element air filter with integrated precleaner
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Reversing electric cooling fans
Hydraulic System
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Boom and stick regeneration circuits
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Auto hydraulic warm up
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Auto two-speed travel
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Boom and stick drift reduction valve
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Auto dig boost
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Auto heavy lift
Safety And Security
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2D E-Fence
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Auto hammer stop
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Rearview camera
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Right-side-view camera
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Lockable disconnect switch
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Ground-level engine shutoff switch
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Right-hand handrail and handhold
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Signaling/warning horn
Service And Maintenance
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Sampling ports for Scheduled Oil Sampling (S·O·S℠)
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Ground-level and platform-level engine oil dipsticks
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Integrated vehicle health management system
Undercarriage And Structures
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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
*This estimate is for the base rental charge only. Other fees and charges may apply and will be calculated at the time of rental. Does not include delivery fees.
*Images are for general reference only. Individual product models may vary. Please consult with your dealer to verify machine configuration.
*Images are for general reference only. Individual product models may vary. Please consult with your dealer to verify machine configuration.