M320 Wheeled Excavator
The Cat® M320 Excavator maximizes performance with up to 16 percent more swing torque to get the job done faster. Save time and money with up to 10 percent overall ...
Engine
- Engine Power - ISO 14396
- 174HP
- Engine Power - ISO 14396 (DIN)
- 176hp (metric)
- Engine Model
- C4.4
- Net Power - ISO 9249
- 171HP
- Net Power - ISO 9249 (DIN)
- 174hp (metric)
- Bore
- 4in
- Displacement
- 268.5in³
- Stroke
- 5.3in
- Biodiesel Capability
- Up to B20¹
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards.
- Note (1)
- Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,200 rpm. Advertised power is tested per the specified standar
- Note (2)
- ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO
Machine Weight
- Operating Weight Maximum
- 46740lb
- Operating Weight Minimum
- 41450lb
Transmission
- Maximum Travel Speed
- 21.7mile/h
Hydraulic System
- Main System - Maximum Flow - Implement
- 81gal/min
- Maximum Pressure - Equipment
- 5366psi
- Maximum Pressure - Swing
- 5729gal/min
- Maximum Pressure - Travel
- 5076gal/min
Service Refill Capacities
- Cooling System
- 8.4gal (US)
- Diesel Exhaust Fluid (DEF)
- 7.9gal (US)
- Hydraulic System - Including Tank
- 71.3gal (US)
- Hydraulic Tank
- 40.9gal (US)
- Final Drive
- 0.7gal (US)
- Fuel Tank
- 124.2gal (US)
Dimensions
- Boom
- 5260 mm (17'3")
- Bucket
- 0.98 m³ GD (1.28 yd³)
- Stick
- 2.5 m (8' 2")
- Shipping Height - Top of Cab
- 11ft
- Shipping Length
- 29.3ft
- Counterweight Clearance
- 4.3ft
- Ground Clearance
- 1.4ft
- Support Point
- 11.8ft
- Tail Swing Radius
- 8.5ft
- Wheel Base
- 8.9ft
Working Ranges and Forces
- Boom Type
- VA Boom
- Bucket
- 0.98 m³ GD (1.28 yd³)
- Stick
- 2.5 m (8' 2")
- Reach at Ground Level
- 30.5ft
- Vertical Wall Digging Depth
- 13.9ft
- Cutting Height
- 32.6ft
- Bucket Forces (ISO)
- 30799lbf
- Stick Forces (ISO)
- 20682lbf
- Note (1)
- Range values are with dual pneumatic tires (10.00-20). Range values are calculated with a GD bucket (CW) and CW-30 quick coupler with a tip radius of 1535 mm (5'0").
Swing Mechanism
- Swing Speed
- 9.2r/min
- Maximum Swing Torque
- 37000ft·lbf
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.