320 GX

Medium Excavators 320 GX

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Key Specs

Net Power - ISO 9249
139 HP
103.6 kW
Operating Weight
45300 lb
20500 kg
Maximum Digging Depth
21.1 ft
6430 mm

Overview

FEATURED FOR FAST PAYBACK

Introducing the 320 GX – our economy model with all the reliability and ease of operation you expect from a Cat® excavator, with easy maintenance and lower cost features designed to give you a faster return on your equipment investment.

Benefits

Easy to Operate and Maintain

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 means more money in your pocket.

Up To 15% Lower Fuel Consumption

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

Product Specifications for 320 GX

Net Power - ISO 9249 139 HP 103.6 kW
Engine Model Cat C4.4 Cat C4.4
Engine Power - ISO 14396 145 HP 108 kW
Bore 4 in 105 mm
Stroke 5 in 127 mm
Displacement 269 in³ 4.4 l
Main System - Maximum Flow - Implement 113.4 gal/min 429 l/min
Maximum Pressure - Equipment 5075 psi 35000 kPa
Maximum Pressure - Travel 5075 psi 35000 kPa
Maximum Pressure - Swing 3626 psi 25000 kPa
Swing Speed 11.07 r/min 11.07 r/min
Maximum Swing Torque 54875 ft·lbf 74 kN·m
Operating Weight 45300 lb 20500 kg
Fuel Tank Capacity 103 gal (US) 390 l
Cooling System 6.5 gal (US) 24.5 l
Engine Oil 4 gal (US) 15 l
Swing Drive 3.2 gal (US) 12 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 R2.7 m (8'10") Reach R2.7 m (8'10")
Bucket GD 0.93 m³ (1.22 yd³) GD 0.93 m³ (1.22 yd³)
Shipping Height - Top of Cab 9.8 ft 2950 mm
Handrail Height 9.11 ft 3010 mm
Shipping Length 31.5 ft 9570 mm
Tail Swing Radius 9.3 ft 2830 mm
Counterweight Clearance 3.5 ft 1040 mm
Ground Clearance 1.6 ft 460 mm
Track Length 13.5 ft 4080 mm
Track Length to Center of Rollers 10.9 ft 3270 mm
Track Gauge 7.3 ft 2200 mm
Transport Width - 790 mm (31 in) Shoes 9.1 ft 2990 mm
Transport Width - 600 mm (24 in) Shoes 9.2 ft 2800 mm
Maximum Digging Depth 21.1 ft 6430 mm
Boom Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick Reach R2.7 m (8'10") Reach R2.7 m (8'10")
Bucket GD 0.93 m³ (1.22 yd³) GD 0.93 m³ (1.22 yd³)
Maximum Reach at Ground Level 31.5 ft 9580 mm
Maximum Cutting Height 30.6 ft 9290 mm
Maximum Loading Height 21.1 ft 6450 mm
Minimum Loading Height 8.1 ft 2460 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 20.6 ft 6250 mm
Maximum Vertical Wall Digging Depth 18.1 ft 5510 mm
Bucket Digging Force - ISO 30597 ft·lbf 136 kN
Stick Digging Force - ISO 23897 ft·lbf 106 kN

320 GX Standard Equipment

NOTE

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

BOOMS AND STICKS

  • 5.7 m (18'8") Reach boom
  • 2.7 m (8'9") Reach stick

CAB

  • Sound suppressed with viscous mounts
  • High-resolution 203 mm (8") LCD touch screen monitor
  • Mechanically adjustable seat with headrest
  • Auto bi-level air conditioner
  • Keyless push-to-start engine control
  • Floor-mounted adjustable consoles
  • 1 button joysticks
  • AM/FM radio with Bluetooth® ,USB and aux port
  • 24V DC outlet
  • Cup holder and storage compartments
  • 70/30 tempered glass windshield
  • Upper radial wiper with washer
  • Openable steel hatch
  • Dome light
  • Washable floor mat

CAT TECHNOLOGY

  • Cat Product Link™

ELECTRICAL SYSTEM

  • Maintenance-free 950 CCA batteries (x2)
  • Electrical disconnect switch
  • LED Chassis and cab lights
  • LED Left-side boom light

ENGINE

  • Cat C4.4 single turbo diesel 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
  • Two-stage fuel filtration system
  • Sealed double element air filter with integrated pre-cleaner
  • Biodiesel capability up to B20

HYDRAULIC SYSTEM

  • Electronic main control valve, hammer ready
  • Back-to-back electronic pumps
  • Boom and stick regeneration circuits
  • Automatic hydraulic oil warmup
  • 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
  • Signaling/warning horn
  • Hydraulic lockout lever

SERVICE AND MAINTENANCE

  • Grouped location of engine oil & fuel filters
  • Sampling ports for Scheduled Oil Sampling (S·O·S)

UNDERCARRIAGE AND STRUCTURES

  • Grease lubricated track link
  • Center track guiding guard
  • Bottom guards
  • Travel motor guards
  • 3600 kg (7,940 lb) counterweight
  • Tie-down points on base frame (ISO compliant)

320 GX Optional Equipment

NOTE

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

BOOM AND STICKS

  • 2.5 m (8'2") Reach stick

CAB

  • 3 button joysticks

ELECTRICAL SYSTEM

  • LED Right-side boom light

HYDRAULIC SYSTEM

  • Hammer lines
  • Hammer return filter

SAFETY AND SECURITY

  • FOGS with matching lights
  • Rearview camera
  • Rear- and right-side-view cameras (Mandatory for Kingdom of Saudi Arabia; not available in other regions)
  • Rollover protective structure (ROPS) (Mandatory for Kingdom of Saudi Arabia; not available in other regions)
  • Travel alarm
  • Swing alarm
  • Lockout device for disconnect switch (Mandatory for Kingdom of Saudi Arabia; not available in other regions)

SERVICE AND MAINTENANCE

  • Radiator screen

UNDERCARRIAGE AND STRUCTURES

  • 600 mm (24") triple grouser track shoes
  • 790 mm (31") triple grouser track shoes

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