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323 - Tier 4 / Stage V

Medium Excavators

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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Net Power - ISO 9249 128.5 kW

Engine Model Cat C7.1

Engine Power - ISO 14396 129.4 kW

Bore 105 mm

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323 - Tier 4 / Stage V

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OVERVIEW

High Performance with Speed and Efficiency

FEATURES & BENEFITS

LATEST FEATURES

    Cab Monitor Improvements.     Continuously improved user interface allows for intuitive navigation, minimizing performance... Read more

PERFORMANCE AND PRODUCTIVITY

     Use up to 20% less fuel than the 323F excavator.     Increase operator efficiency by up to 45% with a suite o... Read more

TECHNOLOGY THAT GETS WORK DONE

    Boost productivity up to 45% versus traditional grading with standard Cat Grade with 2D system – includes indicate-only and laser capability... Read more

TAKE THE GUESSWORK OUT OF MANAGING YOUR EQUIPMENT

    VisionLink® provides actionable data insights for all assets - regardless of fleet size or equipment manufacturer.* Review equipment data from yo... Read more

DESIGNED FOR OPERATORS

    Two cab options – Deluxe, and Premium – let you choose the level of comfort you need.     Enjoy wide spacing between consoles... Read more

BUILT FOR LONG TERM PRODUCTION

    Protect hydraulic components in cold weather. The auto warm-up feature speeds hydraulic oil warming in cooler temperatures.    &nb... Read more

SIMPLE TO OPERATE

    Start the engine with the push of a button; use a Bluetooth® key fob or Operator ID passcode.     Trouble cutting through tou... Read more

LOWER MAINTENANCE COSTS

    Extended maintenance intervals reduce maintenance costs by 25% over the Cat 323F excavator (15% savings calculated over 12,000 machine hours). &n... Read more

SAFELY HOME EVERY DAY

    Cat Detect - People Detection helps protect the most valuable asset on any jobsite – people. The system uses smart cameras with depth sensors to... Read more

SPECIFICATIONS FOR 323 - Tier 4 / Stage V

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Engine

Net Power - ISO 9249	128.5 kW
Engine Model	Cat C7.1
Engine Power - ISO 14396	129.4 kW
Bore	105 mm
Stroke	135 mm
Displacement	7.01 l
Net Power - ISO 9249 (DIN)	175 hp (metric)
Engine Power - ISO 14396 (DIN)	176 hp (metric)
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 of manufacture.
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 (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (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.

Hydraulic System

Main System - Maximum Flow	429 l/min (113 gal/min)
Maximum Pressure - Equipment	35000 kPa
Maximum Pressure - Travel	34300 kPa
Maximum Pressure - Swing	27500 kPa

Swing Mechanism

Swing Speed	11.25 r/min
Maximum Swing Torque	82 kN·m

Weights

Operating Weight	25000 kg
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.

Service Refill Capacities

Fuel Tank Capacity	345 l
Cooling System	25 l
Engine Oil	25 l
Swing Drive - Each	6 l
Final Drive - Each	5 l
Hydraulic System - Including Tank	234 l
Hydraulic Tank	115 l
DEF Tank	41 l

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	2960 mm
Handrail Height	2950 mm
Shipping Length	9530 mm
Tail Swing Radius	2830 mm
Counterweight Clearance	1050 mm
Ground Clearance	470 mm
Track Length	4450 mm
Length to Center of Rollers	3650 mm
Track Gauge	2380 mm
Transport Width	3170 mm

Working Ranges & Forces

Maximum Digging Depth	6730 mm
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	9870 mm
Maximum Cutting Height	9450 mm
Maximum Loading Height	6480 mm
Minimum Loading Height	2160 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom	6560 mm
Maximum Vertical Wall Digging Depth	5740 mm
Bucket Digging Force - ISO	140 kN
Stick Digging Force - ISO	107 kN

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).