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 ...
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%