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323 Hydraulic Excavator

323 Hydraulic Excavator

High Performance with Speed and Efficiency

More Comfort ‚Äď More Performance ‚Äď More Versatility

  • Up To 20% Less Fuel Consumption

    A precise combination of lower engine speed and a large hydraulic pump delivers top performance while burning less fuel.

  • Up To 25% Lower Maintenance Costs

    Extended and more synchronized maintenance intervals increase uptime and reduce costs compared to the previous model.

  • Up To 45% More Operating Efficiency

    Offering the industry’s highest level of standard factory-equipped technology, including Cat Grade with 2D, Grade with Assist and Payload.

  • Up To 22% Less CO2 Emissions

    The 323 emits up to 22% less CO2 than the previous 323F.

Engine

Biodiesel Capability Up to B20¬Ļ
Bore 4 in
Displacement 428 in³
Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
Engine Model Cat C7.1
Engine Power - ISO 14396 174 HP
Engine Power - ISO 14396 (DIN) 176 hp (metric)
Net Power - ISO 9249 172 HP
Net Power - ISO 9249 (DIN) 175 hp (metric)
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 of manufacture.
Note (2) ¬ĻCat 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 (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or ‚ÄúCaterpillar Machine Fluids Recommendations‚ÄĚ (SEBU6250) for details. *Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
Stroke 5 in

Hydraulic System

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

Swing Mechanism

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

Weights

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.
Operating Weight 55100 lb

Service Refill Capacities

Cooling System 6.6 gal (US)
DEF Tank 10.8 gal (US)
Engine Oil 6.6 gal (US)
Final Drive - Each 1.3 gal (US)
Fuel Tank Capacity 86.6 gal (US)
Hydraulic System - Including Tank 61.8 gal (US)
Hydraulic Tank 30.4 gal (US)
Swing Drive - Each 1.6 gal (US)

Dimensions

Boom Reach 5.7 m (18'8")
Bucket HD 1.30 m³ (1.71 yd³)
Counterweight Clearance 3.4 ft
Ground Clearance 1.5 ft
Handrail Height 9.7 ft
Length to Center of Rollers 12 ft
Shipping Height - Top of Cab 9.7 ft
Shipping Length 31.3 ft
Stick Reach 2.9 m (9'6")
Tail Swing Radius 9.3 ft
Track Gauge 7.8 ft
Track Length 14.6 ft
Transport Width 10.4 ft

Working Ranges & Forces

Boom Reach 5.7 m (18'8")
Bucket HD 1.30 m³ (1.71 yd³)
Bucket Digging Force - ISO 34308 lbf
Maximum Cutting Height 31 ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.5 ft
Maximum Digging Depth 22.1 ft
Maximum Loading Height 21.3 ft
Maximum Reach at Ground Level 32.4 ft
Maximum Vertical Wall Digging Depth 18.8 ft
Minimum Loading Height 7.1 ft
Stick Reach 2.9 m (9'6")
Stick Digging Force - ISO 26094 lbf

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%

Download resources

323 Excavator - Product Brochure (Aus-NZ, Chile, Europe, N Am, Turkey)
323 Excavator - Technical Specifications (Aus-NZ)
323 Excavator - Technical Specifications (N Am)
323 Excavator - Technical Specifications (Europe)
323 Excavator - Technical Specifications (Chile, Turkey)
Super Long Reach and Long Reach Excavation - Product Brochure (Europe, N Am)

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