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320 GC Hydraulic Excavator

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Product Description

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.

Specifications
Us
Metric
Engine
Net Power - ISO 9249
146 hp
109 kW
Net Power - ISO 9249 (DIN)
148 hp (metric)
148 hp (metric)
Engine Model
Cat C4.4
Engine Power - ISO 14396:2002
148 hp
110 kW
Engine Power - ISO 14396 (DIN)
150 hp (metric)
150 hp (metric)
Bore
4 in
105 mm
Stroke
5 in
127 mm
Displacement
269 in³
4.4 l
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
5075 psi
35000 kPa
Maximum Pressure - Travel
4974 psi
34300 kPa
Maximum Pressure - Swing
3625 psi
25000 kPa
Swing Mechanism
Swing Speed
11.6 r/min
11.6 r/min
Maximum Swing Torque
54900 ft·lbf
74.4 kN·m
Weights
Operating Weight
48500 lb
22000 kg
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
86.6 gal (US)
345 l
Cooling System
6.6 gal (US)
25 l
Engine Oil
4 gal (US)
15 l
Swing Drive - Each
3.2 gal (US)
12 l
Final Drive - Each
1.1 gal (US)
4 l
Hydraulic System - Including Tank
61.8 gal (US)
234 l
Hydraulic Tank
30.4 gal (US)
115 l
DEF Tank
10.3 gal (US)
39 l
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
9.7 ft
2960 mm
Handrail Height
9.8 ft
2950 mm
Shipping Length
31.3 ft
9530 mm
Tail Swing Radius
9.3 ft
2830 mm
Counterweight Clearance
3.4 ft
1050 mm
Ground Clearance
1.5 ft
470 mm
Track Length
14.7 ft
4450 mm
Length to Center of Rollers
11.11 ft
3650 mm
Track Gauge
7.9 ft
2380 mm
Transport Width
10.4 ft
3170 mm
Working Ranges and Forces
Maximum Digging Depth
22 ft
6720 mm
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
32.3 ft
9860 mm
Maximum Cutting Height
31 ft
9450 mm
Maximum Loading Height
21.3 ft
6490 mm
Minimum Loading Height
7.1 ft
2170 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
21.6 ft
6550 mm
Maximum Vertical Wall Digging Depth
18.7 ft
5690 mm
Bucket Digging Force - ISO
28935 lbf
129 kN
Stick Digging Force - ISO
22281 lbf
99 kN
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/Optional

Standard Equipment

NOTE
BOOM AND STICKS
CAB
CAT TECHNOLOGY
ELECTRICAL
ENGINE
HYDRAULIC SYSTEM
SAFETY AND SECURITY
SERVICE AND MAINTENANCE
UNDERCARRIAGE AND STRUCTURES

Optional Equipment

NOTE
BOOM AND STICKS
CAT TECHNOLOGY
HYDRAULIC SYSTEM
SAFETY AND SECURITY
UNDERCARRIAGE AND STRUCTURES
OTHER OPTIONAL CONFIGURATIONS

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