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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 25% to bring you a durable, low-cost-per-hour excavator for light- to medium-duty applications.
| Net Power - ISO 9249 | 146 HP |
| Engine Model | Cat C4.4e TA |
| Engine Power - ISO 14396 | 148 HP |
| Bore | 4 in |
| Stroke | 5 in |
| Displacement | 269 in³ |
| Main System - Maximum Flow | 442 l/min (116 gal/min) |
| Maximum Pressure - Equipment | 5075 psi |
| Maximum Pressure - Travel | 4974 psi |
| Maximum Pressure - Swing | 3625 psi |
| Swing Speed | 11.6 r/min |
| Maximum Swing Torque | 54900 ft·lbf |
| Operating Weight | 48281 lb |
| Fuel Tank Capacity | 86.6 gal (US) |
| Cooling System | 6.6 gal (US) |
| Engine Oil | 4 gal (US) |
| Swing Drive - Each | 3.2 gal (US) |
| Final Drive - Each | 1.1 gal (US) |
| Hydraulic System - Including Tank | 61.8 gal (US) |
| Hydraulic Tank | 30.4 gal (US) |
| DEF Tank | 10.3 gal (US) |
| Boom | Reach 5.7 m (18'8") |
| Stick | R2.9B1 (9'6") |
| Bucket | 1.00 m³ (1.31 yd³) |
| Shipping Height - Top of Cab | 9.7 ft |
| Handrail Height | 9.8 ft |
| Shipping Length | 31.3 ft |
| Tail Swing Radius | 9.3 ft |
| Counterweight Clearance | 3.4 ft |
| Ground Clearance | 1.5 ft |
| Track Length | 10.7 ft |
| Length to Center of Rollers | 12 ft |
| Track Gauge | 7.2 ft |
| Transport Width | 10.4 ft |
| Maximum Digging Depth | 22 ft |
| Boom | Reach 5.7 m (18.8) |
| Stick | R2.9B1 (9'6") |
| Bucket | 1.00 m³ (1.31 yd³) |
| Maximum Reach at Ground Level | 32.3 ft |
| Maximum Cutting Height | 31 ft |
| Maximum Loading Height | 21.3 ft |
| Minimum Loading Height | 7.1 ft |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 21.6 ft |
| Maximum Vertical Wall Digging Depth | 18.7 ft |
| Bucket Digging Force - ISO | 28935 lbf |
| Stick Digging Force - ISO | 22281 lbf |
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