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Wheel Excavators

M320 Wheeled Excavator

Engine Power - ISO 14396:2002

174 hp

Operating Weight Maximum

46,740 lb

Maximum Travel Speed

21.7 mile/h
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    SPECIFICATIONS

    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 savings in maintenance costs, longer service intervals, and 100 percent daily ground-level maintenance. Combined with a comfortable working environment, the M320 keeps you working quickly and efficiently.

      FULL SPECIFICATIONS

      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.

      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

      11 ft

      Shipping Length

      29.3 ft

      Counterweight Clearance

      4.3 ft

      Ground Clearance

      1.4 ft

      Support Point

      11.8 ft

      Tail Swing Radius

      8.5 ft

      Wheel Base

      8.9 ft

      Engine

      Engine Power - ISO 14396:2002

      174 hp

      Engine Model

      C4.4

      Engine Power - Maximum Gross - ISO 14396 - Metric

      129.4 kW (176 hp) (PS)

      Bore

      4 in

      Displacement

      268.5 in³

      Stroke

      5.3 in

      Net Power - ISO 9249

      171 hp

      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 standard in effect at the time of manufacture.

      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 (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels.Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations“ (SEBU6250) for details. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.

      Engine Power - ISO 14396 (DIN)

      176 hp (metric)

      Net Power - ISO 9249 (DIN)

      174 hp (metric)

      Hydraulic System

      Main System - Maximum Flow - Implement

      81 gal/min

      Maximum Pressure - Equipment

      5,366 psi

      Maximum Pressure - Swing

      5,729 gal/min

      Maximum Pressure - Travel

      5,076 gal/min

      Machine Weight

      Operating Weight Maximum

      46,740 lb

      Operating Weight Minimum

      41,450 lb

      Service Refill

      Engine Oil

      3.4 gal (US)

      Service Refill Capacities

      Cooling System

      8.4 gal (US)

      Diesel Exhaust Fluid (DEF)

      7.9 gal (US)

      Hydraulic System - Including Tank

      71.3 gal (US)

      Final Drive

      0.7 gal (US)

      Hydraulic Tank

      40.9 gal (US)

      Fuel Tank

      124.2 gal (US)

      Swing Mechanism

      Swing Speed

      9.2 r/min

      Maximum Swing Torque

      37,000 ft·lbf

      Transmission

      Maximum Travel Speed

      21.7 mile/h

      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

      30.5 ft

      Vertical Wall Digging Depth

      13.9 ft

      Cutting Height

      32.6 ft

      Bucket Forces (ISO)

      30,799 lbf

      Stick Forces (ISO)

      20,682 lbf

      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").
      STANDARD EQUIPMENT

      • NOTE
        • Standard and optional equipment may vary. Consult your Cat dealer for details.
      • CAB
        • ROPS, sound suppression
        • High-resolution 254 mm (10 in) LCD touchscreen monitor
      • CAT TECHNOLOGY
        • VisionLink
        • Remote Flash
        • Remote Troubleshoot
      • ELECTRICAL SYSTEM
        • LED lights on boom and cab
        • LED lights on chassis (left-hand, right-hand) an counterweight
        • Programmable time-delay LED working lights
        • Roading and indicator lights, front and rear
        • Maintenance free batteries
        • Centralized electrical disconnect switch
        • Electrical refueling pump
      • ENGINE
        • Power Mode Selector
        • One-touch low idle with auto engine speed control
        • Auto engine idle shutdown
        • 52° C (125° F) high-ambient cooling capacity
        • Cold start capability -18° C (0° F)
        • Double element air filter with integrated precleaner
        • Electric fuel priming pump
        • On-demand electric cooling fans with autoreverse function
      • HYDRAULIC SYSTEM
        • Automatic swing brake
        • Auto hydraulic oil warm up
        • Electronic main control valve
        • Boom and stick drift reduction valves
        • Heavy lift mode
        • Quick coupler circuit
        • Separate dedicated swing pump
      • SAFETY AND SECURITY
        • Rear and side-view cameras
        • Wide angle mirrors
        • Ground-level engine shutoff switch
        • Anti-skid plate and countersunk bolts on service platform
        • Signaling/warning horn
        • Inspection lighting
        • 2D E-Fence
      • SERVICE AND MAINTENANCE
        • Sampling ports for Scheduled Oil Sampling (S-O-S)
        • Integrated vehicle health management system
      • UNDERCARRIAGE AND STRUCTURES
        • Automatic brake/axle lock
        • All wheel drive

      OPTIONAL EQUIPMENT

      • NOTE
        • Standard and optional equipment may vary. Consult your Cat dealer for details.
      • BOOM AND STICKS
        • 5650 mm (18'6") one-piece boom
        • 5260 mm (17'3") variable adjustable boom
        • 2500 mm (8'2") stick
        • 2900 mm (9'6") stick
      • CAB
        • Deluxe cab
        • Premium cab
        • Auxiliary relay
      • CAT TECHNOLOGY
        • Cat Grade Connectivity
        • Cat Grade 2D
        • Cat Grade with Attachment Ready Option (ARO)
        • Cat Grade 3D dual GNSS
        • Laser catcher
        • Grade Assist
        • Cat Payload
        • Cat Tilt Rotator (TRS) Integration
      • ELECTRICAL SYSTEM
        • Electrical refueling pump
      • HYDRAULIC SYSTEM
        • One-slider joysticks
        • Two-slider joysticks
        • Combined flow/high-pressure auxiliary circuit
        • SmartBoom
        • Ride control
        • Cat tilrotator support
        • Joystick steering
      • SAFETY AND SECURITY
        • 360° visibility
        • Cat asset tracker
      • SERVICE AND MAINTENANCE
        • Automatic lubrication system for implement and swing system
      • UNDERCARRIAGE AND STRUCTURES
        • 10.00-20 16 PR, dual tires
        • 11.00-20-16 PR, dual tires
        • 315/70R22.5, no gap dual tires
        • 445/70R 19.5, single tires
        • 300-80-22.5 dual pneumatic, spacerless tire
        • 3600 kg (7,937 lb) counterweight
        • 4200 kg (9,260 lb) counterweight

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