320 GC Hydraulic Excavator

320 GC Hydraulic Excavator

The Cat® 320 GC excavator balances productivity with easy-to-use technology features, a new comfortable cab, reduced fuel consumption by up to 20%, and longer maintenance intervals reducing maintenance costs by up to 15% to bring you a durable, low-cost-per-hour excavator for light- to medium-duty applications.

Engine Model
Cat C4.4 ACERT
Net Flywheel Power
121 hp
Operating Weight- North America
48300 lb
Tail Swing Radius
9.3 ft

Engine

Engine Model
Cat C4.4 ACERT
Net Flywheel Power
121hp
Engine RPM - Operation
1700r/min
Engine RPM - Travel
2000r/min
Gross Power – SAE J1995
122hp
Net Power – SAE J1349
121hp
Bore
4in
Stroke
5in
Displacement
269in3
Engine rpm: Operation
1700rpm
Engine rpm: Travel
2000rpm
Engine Model
Cat C4.4 ACERT
Net Flywheel Power
121HP
Bore
4in
Stroke
5in
Displacement
269in³
Gross Power - SAE J1995
122HP
Net Power - SAE J1349
121kW

Weights

Operating Weight- North America
48300lb
Note (2)
Standard Undercarriage, Reach Boom, R 2.9 (9'6")Stick, HD 1.0 m3 (1.31yd3 ) bucket and 700mm(28 ") TG shoes, Counterweight (4.2mt / 9,260lb)
Note
Standard Undercarriage, Reach Boom, R 2.9 (9'6")Stick, HD 1.0 m3 (1.31yd3 ) bucket and 790mm(31 ") TG shoes, Counterweight (4.2mt / 9,260lb)
Operating Weight - Europe
46958lb
Note
Standard Undercarriage, Reach Boom, R 2.9 (9'6")Stick, HD 1.0 m3 (1.31yd3 ) bucket and 700mm(28 ") TG shoes, Counterweight (4.2mt / 9,260lb)
Note (1)
Standard Undercarriage, Reach Boom, R 2.9 (9'6")Stick, HD 1.0 m3 (1.31yd3 ) bucket and 790mm(31 ") TG shoes, Counterweight (4.2mt / 9,260lb)
Operating Weight - North America
48281lb

Dimensions - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick

Tail Swing Radius
9.3ft
Ground Clearance
1.5ft

Drive

Maximum Gradeability
35°--70%
Maximum gradeability
35°--70%
Maximum Travel Speed
3.6mph
Maximum Drawbar Pull
46131lbf
Maximum Drawbar Pull
46131lbf
Maximum Travel Speed
3.6mile/h

Working Ranges - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick

Maximum Cutting Height
31ft
Maximum Depth Cut for 2440 mm (8'0") Level Bottom
21.5ft
Maximum Digging Depth
22ft
Maximum Loading Height
21.3ft
Maximum Reach - Ground Level
32.3ft
Maximum Vertical Wall Digging Depth
18.7ft
Minimum Loading Height
7.1ft
Bucket Digging Force (ISO)
28935lbf
Bucket Digging Force (SAE)
25759lbf
Stick Digging Force (ISO)
22281lbf
Stick Digging Force (SAE)
21678lbf
Bucket Digging Force (ISO)
21678lbf

Hydraulic System

Main System – Maximum Flow (Total)
116gal/min
Maximum Pressure - Equipment - Normal
5075psi
Maximum Pressure – Travel
4974psi
Maximum Pressure – Swing
3886psi
Main System - Maximum Flow - Total
116gal/min
Maximum Pressure - Swing
3886psi
Maximum Pressure - Travel
4974psi

Swing

Swing Speed
11.6rpm
Maximum Swing Torque
54440lbf-ft
Maximum Swing Torque
54440ft·lbf
Swing Speed
11.6r/min

Service Refill Capacities

Fuel Tank Capacity
96.2gal
Cooling System
6.6gal
Engine Oil
4.0gal
Swing Drive (each)
1.3gal
Final Drive (each)
1.3gal
Hydraulic System (including tank)
57.6gal
Hydraulic Tank
30.4gal
DEF Tank
7.9gal
Fuel Tank Capacity
86.6gal (US)
Cooling System
6.6gal (US)
Engine Oil
4gal (US)
Final Drive - Each
1.3gal (US)
Hydraulic System - Including Tank
61.8gal (US)
Hydraulic Tank
30.4gal (US)
DEF Tank
10.3gal (US)
Swing Drive - Each
1.3gal (US)

Dimensions: Reach Boom 5.7 m (18'8"); R2.9 (9'6") Stick

Shipping Height
10.2ft
Shipping Length
31.3ft
Track Length-Length to Center of Rollers
10.7ft
Track Gauge
7.2ft
Transport Width: 790 mm (31 in) Shoes
10.4ft
Counterweight Clearance
3.4ft
Note
With HD 1.0m3 bucket and 790 mm shoes.

Dimensions: Reach Boom 5.7 m (18'8"); R2.9 (9'6") Stick

Tail Swing Radius
9.3ft
Ground Clearance
1.5ft

Working Ranges: Reach Boom 5.7 m (18'8"); R2.9 (9'6") Stick

Maximum Digging Depth
22ft
Maximum Reach at Ground Level
32.3ft
Maximum Cutting Height
31.0ft
Maximum Loading Height
21.3ft
Minimum Loading Height
7.1ft
Maximum Depth Cut for 2440 mm (8'0") Level Bottom
21.5ft
Maximum Vertical Wall Digging Depth
18.7ft

Dimensions - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick

Counterweight Clearance
3.4ft
Note
With HD 1.0m3 bucket and 790 mm shoes.
Shipping Height
9.7ft
Shipping Length
31.3ft
Track Gauge
7.2ft
Track Length - Center of Rollers
10.7ft
Transport Width - 790 mm (31 in) Shoes
10.4ft

Standard Equipment:

  • Engine
    • Cat C4.4 ACERT electronically-controlled turbo-charged Tier 4 Final diesel engine
    • Meets U.S. EPA Tier 4 Final and EU Stage IV emissions standards.
    • Two selectable power modes
    • One-touch low idle with automatic engine speed control
    • Automatic engine idle shutdown
    • Recommended for use up to 4500 m altitude (14,764 ft) with engine power derate above 3000 m (9,842.5 ft).
    • 52° C (125° F) high-ambient cooling capacity
    • Cold starting capability for - 32° C (- 25° F)
    • Double element air filter with integrated pre-cleaner
    • Electric fuel priming pump
    • Reversible electric cooling fans
    • Biodiesel capability up to B20
  • Hydraulic System
    • Boom and stick regeneration circuits
    • Electronic main control valve
    • Auto warm up
    • Automatic two-speed travel
    • Boom and stick drift reduction valve
    • Element type main hydraulic filter
    • 3 Buttons Joysticks
    • Electronic main pump
    • Electric refueling pump(Europe only)
  • Standard Comfort Cab
    • ROPS, standard sound suppression
    • High-resolution 8 " (203 mm) LCD touchscreen monitor
    • Automatic Bi-level air conditioner
    • Jog dial and shortcut keys for monitor control
    • Keyless push-to-start engine control
    • Height-adjustable console, 3-steps with tool
    • Mechanically adjustable seat suspension
    • Seat belt, retractable (51 mm [2"] width)
    • Fixed left side console
    • Bluetooth® integrated radio with USB ports
    • 12V DC outlets
    • Document storage
    • Cup and bottle holders
    • Two-piece front window, openable
    • Steel hatch, openable
    • Upper radial wiper with 70/30 w/washer
    • LED dome and lower interior lights
    • Roller front sunscreen
    • Beacon ready
    • Washable floor mat
    • Straight travel pedal (US Only)
  • Undercarriage And Structures
    • Tiedown points on base frame (ISO 15818 Compliant)
    • Standard bottom guards
    • Standard travel motor guards
    • Grease lubricated track links
    • (4200 kg ( 9,260lb) counterweight
    • Standard swing frame
    • Standard swing bearing
    • Base frame with standard track rollers and standard carrier rollers
    • Final drive with standard travel motor
  • Electrical
    • Machine electronic control module (x2)
    • 1000 CCA maintenance-free batteries (x2)
    • Centralized electrical disconnect switch
    • Programmable time-delay LED working lights
    • LED chassis light, LH boom light for reach-850 lumens
  • Boom, Sticks And Linkages
    • 5.7 m (18'8") reach boom
    • 2.9 m (9'6") stick
    • 790 mm (31" ) triple grouser track shoes
    • Bucket linkage, B1-family with lifting eye
  • Safety & Security
    • Rearview camera and side RH mirror
    • Rear and right hand sideview camera (Europe)
    • Neutral lever (lock out) for all controls
    • Anti-skid plate and countersunk bolts on service platform
    • Ground-level accessible secondary engine shutoff switch in cab
    • RH hand rail and hand hold (ISO 2867 compliant)
    • Travel alarm (US only)
  • Service & Maintenance
    • Sampling ports for Scheduled Oil Sampling (S·O·S℠)
    • Grouped location for engine oil and fuel filters
    • Ground level 2nd dipstick for engine oil
    • Remote flash
  • Cat Connect Technology
    • Cat Product Link

Optional Equipment:

  • Hydraulic System
    • Hammer return filter circuit
    • Combined flow/high pressure aux circuit
    • Simplified combined Circuit (2 Way)
    • Quick coupler circuit for Cat Pin Grabber
    • Slider joysticks
    • Smart boom (Europe only)
  • Electrical System
    • LED chassis light, LH & RH boom lights for reach, cab lights- 850 lumens
  • Standard Comfort Cab
    • Roller rear suncreen
  • Safety & Security
    • Radiator screen
    • RH side mirror for use with RH sideview camera or 360° visibility (Europe)
  • Bucket
    • Heavy duty buckets 1.0m3(1.31yd3)