The Cat® 320 excavator brings premium performance with simple-to-use technologies like Cat GRADE with 2D, Grade Assist, and Payload â€" all standard equipment from the factory to boost your operator efficiencies up to 45%. Combine these features with a new cab, longer maintenance intervals that lower your maintenance costs up to 15%, and a power system that reduces fuel consumption by up to 20% and you have a low-cost-per-unit-of-production excavator that's perfect for medium- to heavy-duty applications.
Engine Model | Cat C7.1 ACERT |
Net Flywheel Power | 157.0 HP |
Bore | 105.0 mm |
Stroke | 135.0 mm |
Displacement | 7.01 l |
Gross Power - SAE J1995 | 158.0 kW |
Net Power - SAE J1349 | 157.0 kW |
Engine RPM - Operation | 1650.0 r/min |
Engine RPM - Travel | 1800.0 r/min |
Maximum Operating Weight | 22000.0 kg |
Note (1) | R5.7 (18'8") HD Boom, R2.9 (9'6") HD Stick, GD 1.0 m3 (1.31 yd3) bucket and 600 mm (24") TG track shoes. 4.2 mt counterweight. |
Note (2) | Super long Reach Boom, super long reach stick, GD 0.53 m3 (0.69 yd3) bucket and 790 mm (31") TG track shoes, 4.7mt counterweight |
Fuel Tank Capacity | 345.0 l |
Cooling System | 25.0 l |
Engine Oil | 25.0 l |
Final Drive - Each | 5.0 l |
Hydraulic System - Including Tank | 234.0 l |
Hydraulic Tank | 115.0 l |
Swing Drive - Each | 5.0 l |
Maximum Swing Torque | 74.0 kN·m |
Swing Speed | 11.25 r/min |
Maximum Drawbar Pull | 205.0 kN |
Maximum Travel Speed | 5.7 km/h |
Maximum Gradeability | 35°--70% |
Main System - Maximum Flow - Total | 429.0 l/min |
Maximum Pressure - Equipment - Normal | 35000.0 kPa |
Maximum Pressure - Swing | 26800.0 kPa |
Maximum Pressure - Travel | 34300.0 kPa |
Bucket Digging Force (ISO) | 3080.0 mm |
Stick Digging Force (SAE) | 3650.0 mm |
Maximum Cutting Height | 9370.0 mm |
Maximum Depth Cut for 2440 mm (8'0") Level Bottom | 6550.0 mm |
Maximum Digging Depth | 6720.0 mm |
Maximum Loading Height | 6490.0 mm |
Maximum Reach - Ground Level | 9860.0 mm |
Maximum Vertical Wall Digging Depth | 5190.0 mm |
Minimum Loading Height | 2170.0 mm |
Note (2) | Reach boom as same dimensions as HD reach boom |
Note (1) | With GD 1.19 m3 (1.56 yd3) bucket and 790 mm (31") shoes. |
Counterweight Clearance | 1050.0 mm |
Shipping Height | 2960.0 mm |
Shipping Length | 9530.0 mm |
Track Gauge | 2380.0 mm |
Track Length | 4450.0 mm |
Transport Width - 600 mm (24 in) Shoes | 2980.0 mm |
Transport Width - 790 mm (31 in) Shoes | 3170.0 mm |
Ground Clearance | 470.0 mm |
Tail Swing Radius | 2830.0 mm |