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Excavators 323 GX
Request a QuoteKey Information
Net Power - ISO 9249
123.7 kW
Operating weight
22,100 kg
Maximum digging depth
6,710 mm
Overview
Reliable. Robust. Low Cost
Introducing the 323 GX, our economical model that offers all the robustness and reliability you can expect from a CAT® hydraulic excavator, with easy maintenance and cost-effective features designed to provide a faster return on your equipment investment.
AdvantagesEasy to Use and Maintain
Stable and responsive design based on classic and proven parts for simple operation and excellent reliability.
Quick Amortization
Low operating and maintenance costs, as well as reduced fuel consumption, allow you to generate a larger profit margin.
Up to 15% Fuel Savings
The intelligent operating mode and synchronized engine, as well as the electrohydraulic control, offer competitive performance and low fuel consumption.
Key Features
- All Latest Features
- Easy To Use
- Easy Maintenance
- Low Operating Costs
- Reliability of Performance
- Enhanced Security
All Latest Features

Improve security on the construction site with an optional orientation alarm. An optional cabin with a certified ISO rollover protection frame provides better protection for the driver in case of rollover. Available features may vary by region. For more information on available offers in your region, please contact your local Cat dealer. Version number: 05D
Easy To Use

The electrohydraulic circuit of the machine allows for precise control of the bucket for maximum accuracy. Start the engine using a push button. Navigate quickly on the 203 mm (8 in) touchscreen monitor. Effortlessly maneuver the hydraulic excavator using easily accessible controls located in front of you. Program your preferences for power mode, joystick grid, and joystick response using the driver ID. The hydraulic excavator will automatically remember your selections.
Easy Maintenance

Perform daily maintenance operations at ground level. Savings of up to 20% on maintenance costs compared to the 320D2 L model thanks to improved filters and longer, synchronized maintenance intervals (savings calculated over 12,000 machine operating hours). The air intake filter with pre-filter has double the dust retention capacity compared to the previous air intake filter. The oil in the reducer and swing reducer doubles the initial lifespan: from 250 to 500 hours. Replacement of all fuel filters at synchronized intervals of 1,000 hours (twice as long as with previous filters). The hydraulic oil filter offers better filtration performance, as well as check valves to keep the oil perfectly clean when the filter is replaced. In addition, its lifespan is extended and its replacement interval is 3,000 hours (50% longer than previous filter designs). The grease retained between the pins and bushings of the chain reduces noise and prevents debris from entering to extend the lifespan of the undercarriage. The auto preheating accelerates the warming of hydraulic oil in cold weather and helps extend the lifespan of components. Advansys™ bucket tips improve penetration and cycle times. They can be quickly replaced using a simple wheel nut wrench, without the need for a hammer or special tool, which improves safety and increases productive time. The S·O·SSM oil sampling ports are located at ground level, which simplifies maintenance and allows for quick and easy sampling of liquid for analysis purposes.
Low Operating Costs

The hydraulic excavator uses up to 15% less fuel than the 320D2 L in similar applications. Adapt the hydraulic excavator to the work to be done with two power modes: Power and Smart. The Power mode offers optimal permanent efficiency. The Smart mode automatically adjusts the engine power and hydraulic power to excavation conditions in order to limit fuel consumption without impacting production. Product Link™ is provided as standard so that you can remotely monitor fuel consumption, as well as the machine's status, location, and operating hours on demand via the VisionLink® online interface. Save fuel with Automatic Engine Control (AEC). It reduces the engine speed when the machine is not under load in order to limit fuel consumption.
Reliability of Performance

A versatile machine that performs well in applications with a hammer and bucket. The booms and arms are welded by a robotic system and controlled by ultrasound to ensure maximum lifespan. Reliable, durable, and based on classic and proven parts. The Cat C4.4 engine and electrohydraulic circuit work together to move large quantities of material while using less fuel. Fast cycle times provide excellent productivity. A valve compatible with the hammer is installed in series for great versatility. Two levels of fuel filtration protect the engine from contaminated diesel fuel. The Cat undercarriage is robustly designed to absorb job site stresses for improved performance and increased durability. Normal use buckets are designed for quick material unloading and cleaning. Work up to 4,500 m (14,760 ft) above sea level with engine power derating above 3,000 m (9,840 ft). The standard high ambient temperature capacity is 52 °C (125° F) with a cold start capacity of -25 °C (-13 °F).
Enhanced Security

Access all ground-level maintenance points, except for the engine oil level (it is not necessary for you to climb on the hydraulic excavator to check the filters or the greasing linkage). Benefit from great visibility in the trench, in every orientation, and behind you with smaller cabin pillars and larger windows. An optional rear vision camera improves visibility. The non-slip plate on the maintenance platform helps prevent slipping. The handrails comply with the requirements of ISO 2867:2011 for increased safety. Secure your hydraulic excavator with the user ID. Use your PIN code on the monitor to activate the start function via a push button. Improve safety on the construction site. Add an orientation alarm to warn colleagues when transitioning from trenching to backfilling and vice versa. An optional rollover protective structure (ROPS) certified ISO cabin is available in certain regions to better protect the operator in case of rollover.

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Product Specifications for 323 GX
- ENGINE
- Net Power - ISO 9249123.7 kW
- Net Power - ISO9249 - Metric168 metric hp
- Engine ModelC4.4 Cat
- Engine Power - ISO 14396129.4 kW
- Power: ISO14396 (metric units)176 metric hp
- Bore105 mm
- Stroke127 mm
- Displacement4.4 l
- Note (1)Advertised power is tested to the specific standard as of manufacturing.
- Note (2)Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator.
- Note (3)Engine speed at 2,000 rpm.
- HYDRAULIC SYSTEM
- Main System - Maximum Flow - Equipment429 l/min
- Maximum Pressure: Equipment35000 kPa
- Maximum Pressure: Travel35000 kPa
- Maximum Pressure: Swing27500 kPa
- SWING MECHANISM
- Swing Speed11.13 rpm
- Maximum Swing Torque82 kNm
- WEIGHT
- Operating Weight22100 kg
- MAINTENANCE CAPACITIES
- Fuel Tank Capacity103 US gal
- Cooling System24.5 l
- Engine Oil15 l
- Swing Drive Reduction Gear5.5 l
- Reduction Gear - Each4.5 l
- Hydraulic System - Including Tank218 l
- Hydraulic Tank115 l
- DIMENSIONS
- Boom5.7 m (18 ft 8 in) Reach
- ArmR2.9 m (9'6") Reach
- BucketGeneral Duty (GD) 1.20 m³ (1.57 yd³)
- Shipping Height: Cab Top2980 mm
- Handrail Height3030 mm
- Shipping Length9520 mm
- Rear End Radius2830 mm
- Counterweight Ground Clearance1050 mm
- Ground Clearance470 mm
- Track Length4250 mm
- Track Length to Center of Rollers3450 mm
- Track Gauge2380 mm
- DIMENSIONS - STANDARD BOOM: 5.7 M (18'8")
- Transport Width - 600 mm (24") Shoes2980 mm
- Transport Width - 790 mm (31 in) Shoes3170 mm
- WORKING RANGES AND FORCES
- Maximum Digging Depth6710 mm
- Boom5.7 m (18 ft 8 in) Reach
- ArmR2.9 m (9'6") Reach
- BucketGeneral Duty (GD) 1.20 m³ (1.57 yd³)
- Maximum Ground Level Reach9860 mm
- Maximum Cutting Height9470 mm
- Maximum Loading Height6500 mm
- Minimum Loading Height2180 mm
- Maximum Flat Bottom Cut Depth of 2440 mm (8 ft)6020 mm
- Maximum Vertical Wall Digging Depth5740 mm
- Bucket Digging Force: ISO140 kN
- Arm Digging Force: ISO107 kN
Standard Equipment for 323 GX
-
NOTE
- Standard equipment and options may vary. For more information, please consult your Cat dealer.
-
BOOM AND ARM
- Standard 5.7m (18 ft 8 in) Boom
- Standard 2.9m (9 ft 6 in) Arm
-
CABIN
- Soundproofed with Viscous Mounts
- High-Resolution 203mm (8") Touchscreen LCD Monitor
- Mechanically Adjustable Seat with Headrest and Armrest
- 51mm (2 in) Orange Seat Belt
- Two-Stage Automatic Air Conditioning
- Keyless Push-Button Engine Control
- Fixed Left Console
- Single-Button Joysticks
- Bluetooth® Radio with USB/Aux Ports
- 24V DC Outlets
- Cup Holder and Storage Compartments
- Emergency Exit through Rear Window
- 70/30 Tempered Glass Windshield
- Radial Top Windshield Wiper with Washer
- Openable Steel Trapdoor
- LED Dome Light
- Washable Floor Mat
-
CAT TECHNOLOGY
- Cat Product Link™
-
ELECTRICAL CIRCUIT
- Two 950 CCA Maintenance-Free Batteries
- Electric Battery Disconnect
- LED Chassis and Cabin Lights
- Left-Side LED Boom Lighting
-
ENGINE
- C4.4 Cat Twin Turbo Diesel Engine
- Two Selectable Modes: Power and Smart
- Operational Altitude up to 4,500m (14,760 ft)
- 52°C (125°F) High Ambient Cooling Capacity
- -25°C (-13°F) Cold Start Capacity
- Electric Fuel Priming Pump
- Two-Stage Fuel Filtration System
- Dual-Sealed Two-Element Air Filter with Built-In Prefilter
-
HYDRAULIC CIRCUIT
- Electronic Main Control Valve, Hammer Compatible
- Electronic Return Pump
- Boom and Arm Regeneration Circuits
- Automatic Hydraulic Oil Preheating
- Two-Speed Automatic Travel
- High-Performance Return Hydraulic Filter
-
SAFETY AND PROTECTION
- Non-Slip Metal Plating with Countersunk Screws
- Handrail and Grab Handle
- Lockable External Storage/Tool Box
- Warning/Signaling Horn
- Hydraulic Lock and Control Lever
-
MAINTENANCE AND SERVICE
- Grouped Filter Locations
- Periodic Oil Sampling Ports (S·O·S)
-
UNDERCARRIAGE AND STRUCTURES
- 4.25m (13'11") Undercarriage
- Grease-Lubricated Track Link
- 4,250 kg (9,370 lb) Counterweight
- Tie-Down Points
Available Options for 323 GX
-
NOTE
- Standard equipment and options may vary. For more information, please consult your Cat dealer.
-
CAB
- 3-button Joysticks
-
ELECTRICAL CIRCUIT
- Right-side Arrow Lighting with LEDs
-
HYDRAULIC CIRCUIT
- Hammer Piping
- Hammer Return Filter Circuit
-
SAFETY AND PROTECTION
- Falling Object Guard Structure (FOGS) with Corresponding Lighting
- Rear View Camera
- Rear and Right Side Vision Cameras (Required for Saudi Arabia, Not Available in Other Regions)
- Rollover Protective Structure (ROPS) (Required for Saudi Arabia, Optional for Africa, Middle East, South America; Not Available in Other Regions)
- Travel Alarm (Standard for South America)
- Grade Alarm
- Battery Disconnect Lockout (Required for Saudi Arabia, Not Available in Other Regions)
-
MAINTENANCE AND SERVICE
- Radiator Grille
-
UNDERCARRIAGE AND STRUCTURES
- 600mm (24") Triple-Grouser Track Shoes
- 790mm (31") Triple-Grouser Track Shoes
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