A quiet cab and efficient power systems mean happier operators and more profit from every task you throw at the Cat® M320 Wheeled Excavator. Built to take on the toughest conditions, the M320 offers optional configurations and attachments to handle most any job site need.
Engine
| Engine Power - ISO 14396:2002 |
128.8 kW |
| Engine Model |
Cat® C7.1 |
| Bore |
105 mm |
| Displacement |
7 l |
| Stroke |
135 mm |
| Engine Emissions |
Meets U.S. EPA Tier 3 and EU Stage IIIA emission standards. |
| Note (1) |
The M320 meets Tier 3 and Stage IIIA emission standards. Net power is tested per ISO 9249:2007. Standards in effect at the time of manufacture. Net power available at flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator with engine speed at 2,000 rpm. |
| Note (2) |
No engine power derating required below 3,000 m (9,843 ft) altitude. |
| Note (3) |
Recommended for use up to 3000 m (9,843 ft) altitude with engine power derate above 3000 m (9,840 ft). |
| Note (4) |
Rated speed at 2,000 rpm. |
Hydraulic System
| Main System - Maximum Flow - Implement |
280 kPa |
| Maximum Pressure - Equipment |
35000 kPa |
| Maximum Pressure - Swing |
31000 kPa |
| Maximum Pressure - Travel |
35000 kPa |
Swing Mechanism
| Maximum Swing Torque |
43.4 kN·m |
| Maximum Swing Speed |
9.2 r/min |
Machine Weight
| Operating Weight Maximum |
19500 kg |
| Operating Weight Minimum |
19000 kg |
| Note (1) |
Operating weight includes medium stick, 4000 kg counterweight, full fuel tank, operator, 245 kg quick coupler, 695 kg bucket and dual pneumatic tires. Weight varies depending on configuration. |
Service Refill Capacities
| Cooling System |
37 l |
| Final Drive |
2.5 l |
| Fuel Tank |
385 l |
| Hydraulic System - Including Tank |
270 l |
| Hydraulic Tank |
170 l |
Dimensions
| Boom |
5350 mm (17'7") |
| Bucket |
GD 0.91 m³ (1.19 yd³) |
| Stick |
2.5 m (8'2") |
| Counterweight Clearance |
1280 mm |
| Shipping Height - Top of Cab |
3300 mm |
| Shipping Length |
8960 mm |
| Tail Swing Radius |
2565 mm |
Working Ranges and Forces
| Boom Type |
One-Piece Boom |
| Bucket |
GD 0.91 m³ (1.19 yd³) |
| Stick |
2.5 m (8'2") |
| Digging Height |
8940 mm |
| Dump Height |
6140 mm |
| Reach at Ground Level |
9295 mm |
| Vertical Wall Digging Depth |
3935 mm |
| Note (1) |
Range values are calculated with a bucket (1200GD-CW30) (0.91 m3) with TIP GP-GEN DUTY (K80) and CW-30 quick coupler with a tip radius of 1535 mm (5'5"). |
Air Conditioning System
| Note |
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg of refrigerant which has a CO2 equivalent of 1.216 metric tonnes. |
Drive
| Maximum Travel Speed |
37 km/h |