323 GX - Tier 3

Medium Excavators 323 GX - Tier 3

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Key Specs

Engine Model
Cat® C4.4
Cat® C4.4
Engine Model
Cat® C7.1
Cat® C7.1
Operating Weight
47200 lb
21400 kg

Overview

Reliable. Durable. Low Cost.

The Cat® 323 GX delivers where it counts with the reliability and ease of operation you expect from a Cat excavator. With easy maintenance and low-cost features designed to give you a fast return on your equipment investment.

Benefits

Easy to Own and Operate

Stable and responsive design built on classic, proven components for easy operation and excellent reliability.

Fast Payback

Low owning costs, maintenance costs, and fuel consumption mean more money in your pocket.

Low Fuel Consumption

Smart mode, synchronized engine and electrohydraulic control give you competitive performance with low fuel consumption.  

Product Specifications for 323 GX - Tier 3

Engine Model Cat® C4.4 Cat® C4.4
Net Power - ISO 9249 166 hp 123.7 kW
Net Power - ISO 9249 (DIN) 168 hp (metric) 168 hp (metric)
Engine Power - ISO 14396 174 hp 129.4 kW
Engine Power - ISO 14396 (DIN) 176 hp (metric) 176 hp (metric)
Bore 4 in 105 mm
Stroke 5 in 127 mm
Displacement 269 in³ 4.4 l
Biodiesel Capability Up to B20¹ Up to B20¹
Emissions Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA. Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
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 2,000 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture. 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 2,000 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2) ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% 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. *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. ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% 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. *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.
Engine Model Cat® C7.1 Cat® C7.1
Net Power - ISO 9249 149 hp 111.3 kW
Net Power - ISO 9249 (DIN) 151 hp (metric) 151 hp (metric)
Engine Power - ISO 14396 118 hp 158 kW
Engine Power - ISO 14396 (DIN) 160 hp (metric) 160 hp (metric)
Bore 4 in 105 mm
Stroke 5 in 135 mm
Displacement 428 in³ 7.01 l
Biodiesel Capability Up to B20¹ Up to B20¹
Emissions Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA. Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
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 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture. 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 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2) ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% 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. *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. ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% 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. *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.
Main System - Maximum Flow - Implement 113 gal/min 429 l/min
Maximum Pressure - Equipment 5075 psi 35000 kPa
Maximum Pressure - Travel 5075 psi 35000 kPa
Maximum Pressure - Swing 3988 psi 27500 kPa
Swing Speed* 11.13 r/min 11.13 r/min
Maximum Swing Torque 60333 lbf·ft 82 kN·m
Note (1) *For CE-marked machine default value may be set lower. *For CE-marked machine default value may be set lower.
Operating Weight 47200 lb 21400 kg
Note Medium undercarriage, Reach boom, R2.9B1 (9'6") stick, General Duty (GD) 1.20 m³ (1.57 yd³) bucket, 600 mm (24") triple grouser shoes and 4250 kg (9,370 lb) counterweight. Medium undercarriage, Reach boom, R2.9B1 (9'6") stick, General Duty (GD) 1.20 m³ (1.57 yd³) bucket, 600 mm (24") triple grouser shoes and 4250 kg (9,370 lb) counterweight.
Fuel Tank Capacity 103 gal (US) 390 l
Cooling System (C4.4 engine) 6.5 gal (US) 24.5 l
Cooling System (C7.1 engine) 8.6 gal (US) 32.5 l
Engine Oil (C4.4 engine) 4 gal (US) 15 l
Engine Oil (C7.1 engine) 6.6 gal (US) 25 l
Swing Drive 1.5 gal (US) 5.5 l
Final Drive - Each 1.2 gal (US) 4.5 l
Hydraulic System - Including Tank 57.6 gal (US) 218 l
Hydraulic Tank 30.4 gal (US) 115 l
Boom Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket GD 1.20 m³ (1.57 yd³) GD 1.20 m³ (1.57 yd³)
Undercarriage Medium Medium
Shipping Height - Top of Cab 9.1 ft 2980 mm
Handrail Height 9.11 ft 3030 mm
Shipping Length 31.3 ft 9520 mm
Tail Swing Radius 9.3 ft 2830 mm
Counterweight Clearance 3.5 ft 1050 mm
Ground Clearance 1.6 ft 470 mm
Track Length 13.11 ft 4250 mm
Track Length to Center of Rollers 11.4 ft 3450 mm
Track Gauge 7.1 ft 2380 mm
Transport Width 10.4 ft 3170 mm
Boom Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket GD 1.20 m³ (1.57 yd³) GD 1.20 m³ (1.57 yd³)
Maximum Digging Depth 22 ft 6710 mm
Maximum Reach at Ground Level 32.4 ft 9860 mm
Maximum Cutting Height 31.1 ft 9470 mm
Maximum Loading Height 21.4 ft 6500 mm
Minimum Loading Height 7.2 ft 2180 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 19.9 ft 6020 mm
Maximum Vertical Wall Digging Depth 18.1 ft 5740 mm
Bucket Digging Force - ISO 31428 ft·lbf 140 kN
Stick Digging Force - ISO 23942 ft·lbf 107 kN

323 GX - Tier 3 Standard Equipment

NOTE

  • Standard and optional equipment may vary. Consult your Cat® dealer for details.

CAB

  • Sound suppressed with viscous mounts
  • High-resolution 203 mm (8") LCD touch screen monitor
  • Mechanically adjustable seat with headrest and armrest
  • 51 mm (2") orange seat belt
  • Automatic bi-level air conditioner
  • Keyless push-to-start engine control
  • Fixed left-side console
  • 1 button joysticks
  • Bluetooth® radio with USB/Aux ports
  • Speakers (mounted on roof)
  • 24V DC outlet
  • Cup holder and storage compartments
  • Rear window emergency exit
  • 70/30 tempered glass windshield
  • Openable steel hatch
  • LED Dome light
  • Washable floor mat

CAT TECHNOLOGY

  • VisionLink®

ELECTRICAL SYSTEM

  • Two 950 CCA maintenance-free batteries
  • Electrical disconnect switch
  • LED chassis and cab lights
  • LED left-side boom light

ENGINE

  • Two selectable modes: Power, Smart
  • Up to 4500 m (14,760 ft) altitude capability
  • 52°C (125° F) high-ambient cooling capacity
  • -25°C (-13°F) cold start capability
  • Electric fuel priming pump
  • Direct drive fan
  • Two-stage fuel filtration system with water separator and indicator
  • Sealed double-element air filter with pre-cleaner

HYDRAULIC SYSTEM

  • Electronic main control valve, hammer ready
  • Tandem type electronic main pump
  • Boom and stick regeneration circuits
  • Automatic hydraulic oil warm up
  • Automatic two-speed travel
  • High performance hydraulic return filter

SAFETY AND SECURITY

  • Anti-skid plating with countersunk bolts
  • Handrail and hand hold
  • Lockable external tool / storage box
  • Lockable disconnect switch
  • Ground-level secondary engine shutoff switch
  • Signaling/warning horn
  • Hydraulic lockout lever
  • Right-side-view mirror

SERVICE AND MAINTENANCE

  • Grouped location of filters
  • Scheduled Oil Sampling (S·O·S℠) ports

UNDERCARRIAGE AND STRUCTURES

  • Grease lubricated track link
  • Tie-down points

323 GX - Tier 3 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 (Middle East, Southeast Asia, Indonesia only)
  • 8.85 m (29") Super Long Reach boom (Middle East, Southeast Asia, Indonesia only)
  • 2.5 m (8'2") Reach stick (Africa, Middle East only)
  • 2.9 m (9'6") Reach stick
  • 2.9 m (9'6") HD Reach stick (Middle East, Southeast Asia, Indonesia only)
  • 6.28 m (20'7") Super Long Reach stick (Middle East, Southeast Asia, Indonesia only)

CAB

  • Rollover Protective Structure (ROPS) (mandatory for Kingdom of Saudi Arabia)
  • Operator Protective Guards (OPG)
  • 3 button joysticks

ELECTRICAL SYSTEM

  • LED right-side boom light

ENGINE

  • Cat C4.4 twin turbo diesel engine
  • Cat C7.1 single turbo diesel engine (optional Southeast Asia, Indonesia; standard Middle East)

HYDRAULIC SYSTEM

  • Hammer lines
  • Hammer return filter

SAFETY AND SECURITY

  • Right-hand edge mirror on cab
  • Rearview camera
  • Rear- and right-side-view cameras (mandatory for Kingdom of Saudi Arabia; not available in other regions)
  • Travel alarm
  • Swing alarm

SERVICE AND MAINTENANCE

  • Radiator screen

UNDERCARRIAGE AND STRUCTURES

  • Medium undercarriage (all regions except Middle East)
  • Long undercarriage (standard Middle East; optional Sri Lanka, Indonesia, Southeast Asia only)
  • 600 mm (24") triple grouser track shoes
  • 790 mm (31") triple grouser track shoes
  • 800 mm (31") triple grouser track shoes (Southeast Asia only)
  • 4250 kg (9,370 lb) counterweight
  • 4700 kg (10,360 lb) counterweight (for use with SLR or HD front)

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The Cat 323 GX hydraulic excavator is a terrific choice for contractors seeking a quick payback.