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 146 HP
Operating Weight 48500 lb
Maximum Digging Depth 22 ft
Net Power - ISO 9249 (DIN) 148 hp (metric)
Biodiesel Capability Up to B20¹
Bore 4in
Displacement 269in³
Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards
Engine Model Cat C4.4
Engine Power - ISO 14396 148HP
Engine Power - ISO 14396 (DIN) 150hp (metric)
Net Power - ISO 9249 146HP
Net Power - ISO 9249 (DIN) 148hp (metric)
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
Stroke 5in
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.
Operating Weight 48500lb
Boom Reach 5.7 m (18.8)
Bucket GD 1.0 m³ (1.31 yd³)
Bucket Digging Force - ISO 28935lbf
Maximum Cutting Height 31ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.6ft
Maximum Digging Depth 22ft
Maximum Loading Height 21.3ft
Maximum Reach at Ground Level 32.3ft
Maximum Vertical Wall Digging Depth 18.7ft
Minimum Loading Height 7.1ft
Stick Reach 2.9 m (9'6")
Stick Digging Force - ISO 22281lbf
Main System - Maximum Flow 442 l/min (117 gal/min)
Maximum Pressure - Equipment 5075psi
Maximum Pressure - Swing 3625psi
Maximum Pressure - Travel 4974psi
Maximum Swing Torque 54900ft·lbf
Swing Speed 11.6r/min
Cooling System 6.6gal (US)
DEF Tank 10.3gal (US)
Engine Oil 4gal (US)
Final Drive - Each 1.1gal (US)
Fuel Tank Capacity 86.6gal (US)
Hydraulic System - Including Tank 61.8gal (US)
Hydraulic Tank 30.4gal (US)
Swing Drive - Each 3.2gal (US)
Boom Reach 5.7 m (18'8")
Bucket GD 1.0 m³ (1.31 yd³)
Counterweight Clearance 3.4ft
Ground Clearance 1.5ft
Handrail Height 9.8ft
Length to Center of Rollers 11.11ft
Shipping Height - Top of Cab 9.7ft
Shipping Length 31.3ft
Stick Reach 2.9 m (9'6")
Tail Swing Radius 9.3ft
Track Gauge 7.9ft
Track Length 14.7ft
Transport Width 10.4ft
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 and optional equipment may vary. Consult your Cat dealer for details.
5.7 m (18'8") Reach boom
Rollover protective structure (ROPS)
Mechanical-suspension seat
High-resolution 203 mm (8 inch) LCD touchscreen monitor
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
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)
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
Scheduled Oil Sampling (S·O·S℠) ports
Ground-level and platform-level engine oil dipsticks
Integrated vehicle health management system
Tie-down points on base frame
3700 kg (8,160 lb) counterweight (Chile, Turkey only)
4200 kg (9,300 lb) counterweight
Standard and optional equipment may vary. Consult your Cat dealer for details.
2.9 m (9'6") Reach stick
2.5 m (8'2") Reach stick
2.9 m (9'6") Reach Bare stick
VisionLink Productivity
SmartBoom™ (Europe only)
Swing alarm
Inspection lighting
600 mm (24") triple grouser shoes
700 mm (28") triple grouser shoes
790 mm (31") triple grouser shoes
900 mm (35") triple grouser shoes
Narrow (Europe only)
