Description
Excavator
OVERVIEW
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 percent. Combine these features with a new cab, longer maintenance intervals that lower your maintenance costs up to 15 percent, and a power system that reduces fuel consumption by up to 20 percent and you have a low-cost-per-unit-of-production excavator that’s perfect for medium- to heavy-duty applications.
ENGINE
| Engine Model | Cat C7.1 ACERT |
| Net Flywheel Power | 157.0 HP |
| Gross Power – ISO 14396/SAE J1995 | 158.0 kW |
| Net Power – SAE J1349/ISO 9249 | 157.0 kW |
| Engine RPM – Operation | 1650.0 r/min |
| Engine RPM – Travel | 1800.0 r/min |
| Bore | 105.0 mm |
| Stroke | 135.0 mm |
| Displacement | 7.01 l |
HYDRAULIC SYSTEM
| Main System – Maximum Flow – Implement | 429.0 l/min |
| Maximum Pressure – Equipment | 35000.0 kPa |
| Maximum Pressure – Equipment – Heavy Lift Mode | 38000.0 kPa |
| Maximum Pressure – Travel | 34300.0 kPa |
| Maximum Pressure – Swing | 26800.0 kPa |
WEIGHTS
| Maximum Operating Weight | 22000.0 kg |
| Note (1) | 5.7 m (18’8″) HD reach boom, 2.9 m (9’6″) HD reach stick, HD 1.0 m3 (1.31 yd3 ) bucket, 600 mm (24″) triple grouser shoes. |
SERVICE REFILL CAPACITIES
| Fuel Tank Capacity | 345.0 l |
| Cooling System | 25.0 l |
| Engine Oil | 25.0 l |
| Swing Drive – Each | 5.0 l |
| Final Drive – Each | 5.0 l |
| Hydraulic System – Including Tank | 234.0 l |
| Hydraulic Tank | 115.0 l |
DIMENSIONS
| 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 | 2960.0 mm |
| Handrail Height | 2950.0 mm |
| Shipping Length | 9530.0 mm |
| Tail Swing Radius | 2830.0 mm |
| Ground Clearance | 470.0 mm |
| Track Gauge | 2380.0 mm |
| Transport Width | 2980.0 mm |
| Counterweight Clearance | 1050.0 mm |
DIMENSIONS – REACH BOOM – 5.7 M (18’8″); R2.9 (9’6″) STICK
| Length – Center of Rollers | 3650.0 mm |
WORKING RANGES & FORCES
| Boom | Reach 5.7 m (18’8″) |
| Stick | Reach 2.9 m (9’6″) |
| Bucket | 1.19 m3 (1.56 yd3) |
| Maximum Digging Depth | 6720.0 mm |
| Maximum Reach at Ground Level | 9860.0 mm |
| Maximum Cutting Height | 9370.0 mm |
| Maximum Loading Height | 6490.0 mm |
| Minimum Loading Height | 2170.0 mm |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 6550.0 mm |
| Maximum Vertical Wall Digging Depth | 5190.0 mm |
| Bucket Digging Force – ISO | 150.0 kN |
| Stick Digging Force – ISO | 106.0 kN |
| Bucket Digging Force – SAE | 134.0 kN |
| Stick Digging Force – SAE | 103.0 kN |
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