I. Benefit & Features
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
UNITS:
| 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 |
WEIGHTS
| 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 |
SERVICE REFILL CAPACITIES
| 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 |
SWING
| Maximum Swing Torque |
74.0 kN·m |
| Swing Speed |
11.25 r/min |
DRIVE
| Maximum Drawbar Pull |
205.0 kN |
| Maximum Travel Speed |
5.7 km/h |
| Maximum Gradeability |
35°–70% |
HYDRAULIC SYSTEM
| 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 |
WORKING RANGES – REACH BOOM – 5.7 M (18’8"); R2.9 (9’6") STICK
| 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 |
DIMENSIONS – REACH BOOM – 5.7 M (18’8"); R2.9 (9’6") STICK
| 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 |
DIMENSIONS – REACH BOOM – 5.7 M (18’8"); R2.9 (9’6") STICK
| Ground Clearance |
470.0 mm |
| Tail Swing Radius |
2830.0 mm |
