The Cat® 320 excavator brings premium performance with simple-to-use technologies like Cat GRADE with 2D, Grade Assist, and Payload - 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 25% and you have a low-cost-per-unit-of-production excavator that's perfect for medium- to heavy-duty applications.
Engine | |
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Engine Model | Cat C4.4 ACERT |
Net Flywheel Power | 162 HP / 121 kW |
Gross Power - ISO 14396/SAE J1995 | 164 HP / 122 kW |
Net Power - SAE J1349/ISO 9249 | 162 HP / 121 kW |
Engine RPM - Operation | 1650 r/min |
Engine RPM - Travel | 1800 r/min |
Bore | 4 in / 105 mm |
Stroke | 5 in / 127 mm |
Displacement | 269 in³ / 4.4 l |
Hydraulic System | |
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Main System - Maximum Flow - Implement | 113 gal/min / 429 l/min |
Maximum Pressure - Equipment - Normal | 5075 psi / 35000 kPa |
Maximum Pressure - Equipment - Heavy Lift Mode | 5510 psi / 38000 kPa |
Maximum Pressure - Travel | 4974 psi / 34300 kPa |
Maximum Pressure - Swing | 3886 psi / 26800 kPa |
Weights | |
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Operating Weight | 49600 lb / 22500 kg |
Operating Weight - North America | 49600 lb / 22500 kg |
Note (1) | Reach boom, R2.9 (9'6") stick, HD 1.19 m3 (1.56 yd3) bucket and 790 mm (31 in) triple grouser shoes, 4.2 mt (9,300 lb) counterweight |
Operating Weight - Europe/Australia & New Zealand | 48300 lb / 21900 kg |
Note (2) | Reach boom, R2.9 (9'6") stick, HD 1.19 m3 (1.56 yd3) bucket and 600 mm (24 in) triple grouser shoes, 4.2 mt (9,300 lb) counterweight |
Service Refill Capacities | |
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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 | 1.3 gal (US) / 5 l |
Final Drive - Each | 1.3 gal (US) / 5 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 | |
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Boom | Reach 5.7 m (18'8") |
Stick | Reach 2.9 m (9'6") |
Bucket | 1.19 m3 (1.56 yd3) |
Shipping Height - Top of Cab | 9.8 ft / 2960 mm |
Handrail Height | 9.8 ft / 2950 mm |
Shipping Length | 31 ft / 9530 mm |
Tail Swing Radius | 9.3 ft / 2830 mm |
Track Length to Center of Rollers | 12 ft / 3650 mm |
Ground Clearance | 1.6 ft / 470 mm |
Track Gauge | 7.9 ft / 2380 mm |
Transport Width - 600 mm (24”) Shoes | 9.8 ft / 2980 mm |
Transport Width - 790 mm (31 in) Shoes | 10.4 ft / 3170 mm |
Counterweight Clearance | 3.4 ft / 1048 mm |
Working Ranges & Forces | |
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Boom | Reach 5.7 m (18'8") |
Stick | Reach 2.9 m (9'6") |
Bucket | 1.19 m3 (1.56 yd3) |
Maximum Digging Depth | 22.1 ft / 6720 mm |
Maximum Reach at Ground Level | 32.4 ft / 9860 mm |
Maximum Cutting Height | 30.8 ft / 9370 mm |
Maximum Loading Height | 21.4 ft / 6490 mm |
Minimum Loading Height | 7.1 ft / 2170 mm |
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 21.5 ft / 6550 mm |
Maximum Vertical Wall Digging Depth | 17 ft / 5190 mm |
Bucket Digging Force - ISO | 38811 / 150 kN |
Stick Digging Force - ISO | 23911 / 106 kN |
Bucket Digging Force - SAE | 30104 / 134 kN |
Stick Digging Force - SAE | 23212 / 103 kN |
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