The Cat® 320 raises the bar for efficiency and fuel economy in this size class. With the industry’s highest level of standard factory technology, a new cab focused on operator comfort, plus lower fuel and maintenance costs, the 320 will set a new pace for productivity and profit in your operation.
| Net Power - ISO 9249 | 172HP |
| Engine Model | Cat C4.4e TTA |
| Engine Power - ISO 14396 | 174HP |
| Bore | 4in |
| Stroke | 5in |
| Displacement | 269in³ |
| Operating Weight | 49600lb |
| Maximum Digging Depth | 22.1ft |
| Boom | Reach 5.7 m (18'8") |
| Stick | Reach 2.9 m (9'6") |
| Bucket | 1.19 m ³ (1.56 yd³) |
| Maximum Reach at Ground Level | 32.4ft |
| Maximum Cutting Height | 30.8ft |
| Maximum Loading Height | 21.4ft |
| Minimum Loading Height | 7.1ft |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 21.5ft |
| Maximum Vertical Wall Digging Depth | 17ft |
| Bucket Digging Force - ISO | 38811lbf |
| Stick Digging Force - ISO | 23911lbf |
| Main System - Maximum Flow | 429 l/min (113 gal/min) |
| Maximum Pressure - Equipment | 5075psi |
| Maximum Pressure - Travel | 4974psi |
| Maximum Pressure - Swing | 3988psi |
| Maximum Swing Torque | 60300ft·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 | 1.3gal (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 | 1.19 m ³ (1.56 yd³) |
| Shipping Height - Top of Cab | 9.8ft |
| Handrail Height | 9.8ft |
| Shipping Length | 31ft |
| Tail Swing Radius | 9.3ft |
| Counterweight Clearance | 3.4ft |
| Ground Clearance | 1.6ft |
| Track Length | 14.7ft |
| Length to Center of Rollers | 12ft |
| Track Gauge | 7.9ft |
| Transport Width | 9.8ft |
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| Electrical System |
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| Engine |
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| Hydraulic System |
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| Safety And Security |
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| Service And Maintenance |
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| Undercarriage And Structures |
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| Note |
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| Booms And Sticks |
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| Cab |
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| Cat Technology |
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| Hydraulic System |
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| Safety And Security |
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| Service And Maintenance |
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| Undercarriage And Structures |
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