At a glance data:
Net Power - ISO 9249:
146hp
Engine Model:
Cat C4.4
Overview
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.
Engine
Net Power - ISO 9249:
146hp
Net Power - ISO 9249 (DIN):
148hp (metric)
Engine Model:
Cat C4.4
Engine Power - ISO 14396:2002:
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 of manufacture.
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 (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. *Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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.
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:
54900lbf·ft
Weights
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.
Service Refill Capacities
Fuel Tank Capacity:
86.6gal (US)
Cooling System:
6.6gal (US)
Engine Oil:
4gal (US)
Final Drive - Each:
1.1gal (US)
Hydraulic System - Including Tank:
61.8gal (US)
Hydraulic Tank:
30.4gal (US)
DEF Tank:
10.3gal (US)
Dimensions
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
Shipping Length:
31.3ft
Tail Swing Radius:
9.3ft
Counterweight Clearance:
3.4ft
Ground Clearance:
1.5ft
Track Length:
14.7ft
Track Gauge:
7.9ft
Transport Width:
10.4ft
Working Ranges and Forces
Boom:
Reach 5.7 m (18.8)
Stick:
Reach 2.9 m (9'6")
Bucket:
GD 1.0 m³ (1.31 yd³)
Bucket Digging Force - ISO:
28935lbf·ft
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).
Sustainability
Recyclability:
97%
Standard Equipment
note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
boom and sticks
- 5.7 m (18'8") Reach boom
cab
- Rollover protective structure (ROPS)
- Mechanical-suspension seat
- High-resolution 203 mm (8 inch) LCD touchscreen monitor
cat technology
- VisionLink®
- Remote Flash
electrical
- Two 1,000 CCA maintenance-free batteries
- Centralized electrical disconnect switch
- Programmable time-delay LED working lights
- LED chassis light, boom lights, cab lights
engine
- 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
- Long undercarriage (N Am, Europe, Turkey standard; Chile optional; Columbia not available)
- Medium undercarriage (Colombia standard; Chile optional, N Am, Europe, Turkey not available)
- Tie-down points on base frame
- 3700 kg (8,160 lb) counterweight (Chile, Colombia, Turkey only)
- 4200 kg (9,300 lb) counterweight (Europe, N Am only)
Optional Equipment
note
- 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)
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