320 GC - Tier 4 / Stage V

This unit includes a general purpose bucket, maintenance package, connectivity, remote monitoring and your own team of product experts from Holt of California

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The image displayed is representative and may not reflect the exact specifications.

The Cat® 320 GC excavator balances productivity with easy-to-use technology features, a comfortable cab, reduced fuel consumption by up to 20%, and longer maintenance intervals reducing maintenance costs by up to 25% to bring you a durable, low-cost-per-hour excavator for light- to medium-duty applications.


Net Power - ISO 9249 146HP
Net Power - ISO 9249 (DIN) 148hp (metric)
Engine Model Cat C4.4
Engine Power - ISO 14396 148HP
Engine Power - ISO 14396 (DIN) 150hp (metric)
Bore 4in
Stroke 5in
Displacement 269in³
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 2,000 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


Operating Weight 48500lb
Note Long undercarriage, Reach boom, R2.9 (9'6") stick, General Duty (GD) 1.0 m³ (1.31 yd³) bucket, 700 mm (28 in) triple grouser shoes and 4200 kg (9,300 lb) counterweight.

Working Ranges & Forces

Maximum Digging Depth 22ft
Boom Reach 5.7 m (18.8)
Stick Reach 2.9 m (9'6")
Bucket GD 1.0 m³ (1.31 yd³)
Maximum Reach at Ground Level 32.3ft
Maximum Cutting Height 31ft
Maximum Loading Height 21.3ft
Minimum Loading Height 7.1ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.6ft
Maximum Vertical Wall Digging Depth 18.7ft
Bucket Digging Force - ISO 28935lbf
Stick Digging Force - ISO 22281lbf

Hydraulic System

Main System - Maximum Flow 442 l/min (117 gal/min)
Maximum Pressure - Equipment 5075psi
Maximum Pressure - Travel 4974psi
Maximum Pressure - Swing 3625psi

Swing Mechanism

Swing Speed 11.6r/min
Maximum Swing Torque 54900ft·lbf

Service Refill Capacities

Fuel Tank Capacity 86.6gal (US)
Cooling System 6.6gal (US)
Engine Oil 4gal (US)
Swing Drive - Each 3.2gal (US)
Final Drive - Each 1.1gal (US)
Hydraulic System - Including Tank 61.8gal (US)
Hydraulic Tank 30.4gal (US)
DEF Tank 10.3gal (US)


Boom Reach 5.7 m (18'8")
Stick Reach 2.9 m (9'6")
Bucket GD 1.0 m³ (1.31 yd³)
Shipping Height - Top of Cab 9.7ft
Handrail Height 9.8ft
Shipping Length 31.3ft
Tail Swing Radius 9.3ft
Counterweight Clearance 3.4ft
Ground Clearance 1.5ft
Track Length 14.7ft
Length to Center of Rollers 11.11ft
Track Gauge 7.9ft
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).


Recyclability 97%

Standard Equipment

  • Standard and optional equipment may vary. Consult your Cat dealer for details.
Boom And Sticks
  • 5.7 m (18'8") Reach boom
  • Rollover protective structure (ROPS)
  • Mechanical-suspension seat
  • High-resolution 203 mm (8 inch) LCD touchscreen monitor
Cat Technology
  • VisionLink®
  • Remote Flash
  • Two 1,000 CCA maintenance-free batteries
  • Centralized electrical disconnect switch
  • Programmable time-delay LED working lights
  • LED chassis light, boom lights, cab lights
  • Cat C4.4 single turbo engine
  • Two selectable power modes
  • Auto engine speed control
  • Auto engine idle shutdown
  • 52° C (125° F) high-ambient cooling capacity
  • -32° C (-25° F) cold start capability
  • Double element air filter with integrated pre-cleaner
  • Reversible electric cooling fans
Hydraulic System
  • Boom and stick regeneration circuits
  • Boom and stick lowering check valves
  • Auto warm up
  • Auto two-speed travel
  • Boom and stick drift reduction valve
  • Slider joysticks
  • Tool control (two pumps, one/two way high-pressure flow)
Safety And Security
  • Auto hammer stop
  • Rearview and right-hand-sideview cameras
  • Ground-level engine shutoff switch
  • Lockable disconnect switch
  • Right-hand handrail and hand hold
  • Signaling/warning horn
Service And Maintenance
  • Scheduled Oil Sampling (S·O·S℠) ports
  • Ground-level and platform-level engine oil dipsticks
  • Integrated vehicle health management system
Undercarriage And Structures
  • Tie-down points on base frame
  • 3700 kg (8,160 lb) counterweight (Chile, Turkey only)
  • 4200 kg (9,300 lb) counterweight

Optional Equipment

  • Standard and optional equipment may vary. Consult your Cat dealer for details.
Boom And Sticks
  • 2.9 m (9'6") Reach stick
  • 2.5 m (8'2") Reach stick
  • 2.9 m (9'6") Reach Bare stick
Cat Technology
  • VisionLink Productivity
Hydraulic System
  • SmartBoom (Europe only)
Safety And Security
  • Swing alarm
  • Inspection lighting
Undercarriage And Structures
  • 600 mm (24") triple grouser shoes
  • 700 mm (28") triple grouser shoes
  • 790 mm (31") triple grouser shoes
  • 900 mm (35") triple grouser shoes
Other Optional Configurations
  • Narrow (Europe only)