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. |
| 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 |
| Main System - Maximum Flow | 442 l/min (117 gal/min) |
| Maximum Pressure - Equipment | 5075psi |
| Maximum Pressure - Travel | 4974psi |
| Maximum Pressure - Swing | 3625psi |
| Swing Speed | 11.6r/min |
| Maximum Swing Torque | 54900ft·lbf |
| 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 | 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% |
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