M320

Wheel Excavators M320

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Key Specs

Engine Power - ISO 14396
174 HP
129.4 kW
Operating Weight Maximum
46740 lb
21200 kg
Maximum Travel Speed
21.7 mile/h
35 km/h

Overview

MAXIMIZE PRODUCTION AND PERFORMANCE

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.

Benefits

MAXIMIZE PERFORMANCE

Work faster with up to 16% more swing torque. A longer wheelbase improves stability.

UP TO 10% LOWER MAINTENANCE COSTS

Longer, synchronized service intervals, 100% daily ground level maintenance and centralized grease points with an autolube option lower your overall costs.

ENHANCED COMFORT

Operate with ease in cab comfort options of your choice and better visibility with 360° machine view.

Product Specifications for M320

Engine Power - ISO 14396 174 HP 129.4 kW
Engine Power - ISO 14396 (DIN) 176 hp (metric) 176 hp (metric)
Engine Model C4.4 C4.4
Net Power - ISO 9249 171 HP 127.8 kW
Net Power - ISO 9249 (DIN) 174 hp (metric) 174 hp (metric)
Bore 4 in 105 mm
Displacement 268.5 in³ 4.4 l
Stroke 5.3 in 135 mm
Biodiesel Capability Up to B20¹ Up to B20¹
Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards. 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. 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. 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.
Maximum Travel Speed 21.7 mile/h 35 km/h
Main System - Maximum Flow - Implement 81 gal/min 306 l/min
Maximum Pressure - Equipment 5366 psi 37000 kPa
Maximum Pressure - Swing 5729 gal/min 39500 kPa
Maximum Pressure - Travel 5076 gal/min 35000 kPa
Operating Weight Maximum 46740 lb 21200 kg
Operating Weight Minimum 41450 lb 18800 kg
Cooling System 8.4 gal (US) 31.7 l
Diesel Exhaust Fluid (DEF) 7.9 gal (US) 30 l
Hydraulic System - Including Tank 71.3 gal (US) 270 l
Hydraulic Tank 40.9 gal (US) 155 l
Final Drive 0.7 gal (US) 2.5 l
Fuel Tank 124.2 gal (US) 470 l
Boom 5260 mm (17'3") 5260 mm (17'3")
Bucket 0.98 m³ GD (1.28 yd³) 0.98 m³ GD (1.28 yd³)
Stick 2.5 m (8' 2") 2.5 m (8' 2")
Shipping Height - Top of Cab 11 ft 3370 mm
Shipping Length 29.3 ft 8925 mm
Counterweight Clearance 4.3 ft 1306 mm
Ground Clearance 1.4 ft 420 mm
Support Point 11.8 ft 3580 mm
Tail Swing Radius 8.5 ft 2600 mm
Wheel Base 8.9 ft 2700 mm
Boom Type VA Boom VA Boom
Bucket 0.98 m³ GD (1.28 yd³) 0.98 m³ GD (1.28 yd³)
Stick 2.5 m (8' 2") 2.5 m (8' 2")
Reach at Ground Level 30.5 ft 9290 mm
Vertical Wall Digging Depth 13.9 ft 4230 mm
Cutting Height 32.6 ft 9950 mm
Bucket Forces (ISO) 30799 lbf 137 kN
Stick Forces (ISO) 20682 lbf 92 kN
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"). 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 Speed 9.2 r/min 9.2 r/min
Maximum Swing Torque 37000 ft·lbf 50 kN·m
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. 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.

M320 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

M320 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

Compatible Technology and Services

Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.

  • Cat 2D E-fence for Excavators

    Cat® 2D E-fence keeps the front linkage within a predefined work area to avoid hazards like traffic. 2D E-fence uses data from position sensors to automatically stop motion when the front linkage reaches the defined boundaries.

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Cat® 2D E-fence keeps the front linkage within a predefined work area to avoid hazards like traffic. 2D E-fence uses data from position sensors to automatically stop motion when the front linkage reaches the defined boundaries.

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  • Cat Inspect

    Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

  • Cat PL161 Attachment Tracker

    The Cat PL161 Attachment Tracker is the most advanced OEM integrated solution for attachment tracking. The PL161 mounts easily to your attachments or anything else you want to track.

  • Cat Product Link

    Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

  • Cat Remote Flash

    Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.

  • Cat Remote Troubleshooting

    Remote Troubleshoot allows your Cat dealer to run testing while the machine is operating. Once the problem is identified, a technician can fix it with the correct parts and tools the first time, saving time and money. Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency.

  • VisionLink®

    VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

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Previous Next

Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

Explore Technology

The Cat PL161 Attachment Tracker is the most advanced OEM integrated solution for attachment tracking. The PL161 mounts easily to your attachments or anything else you want to track.

Explore Technology

Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

Explore Technology

Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.

Explore Technology

Remote Troubleshoot allows your Cat dealer to run testing while the machine is operating. Once the problem is identified, a technician can fix it with the correct parts and tools the first time, saving time and money. Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency.

Explore Technology

VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

Explore Technology
  • Cat Grade with 2D for Excavators

    Cat Grade with 2D helps excavator operators work up to 35% more efficiently in a wide variety of applications. Delivering real-time guidance for accurate vertical and horizontal control, Grade with 2D helps to ensure that cuts and fills are made to exact specifications – without under or overcutting.

  • Cat Grade with 3D for Excavators

    Grade with 3D adds GNSS technology and RTK positioning guidance to simplify the grading process of complex designs often found on large infrastructure and commercial projects.

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Cat Grade with 2D helps excavator operators work up to 35% more efficiently in a wide variety of applications. Delivering real-time guidance for accurate vertical and horizontal control, Grade with 2D helps to ensure that cuts and fills are made to exact specifications – without under or overcutting.

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Grade with 3D adds GNSS technology and RTK positioning guidance to simplify the grading process of complex designs often found on large infrastructure and commercial projects.

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  • Cat Payload for Excavators

    Next generation excavators take on all kinds of tasks - loading, stockpiling, material handling, and more. Cat® Payload technology provides on-the-go weighing to help operators hit exact targets every time and avoid overloading, underloading, or misloading materials.

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Next generation excavators take on all kinds of tasks - loading, stockpiling, material handling, and more. Cat® Payload technology provides on-the-go weighing to help operators hit exact targets every time and avoid overloading, underloading, or misloading materials.

Explore Technology
  • VisionLink® Productivity

    VisionLink® Productivity is an easy-to-use cloud-based platform that gathers and summarizes machine telematics and jobsite data from all your equipment. Actionable performance data is transmitted to the web platform for users to access anywhere, anytime via a mobile, tablet, or desktop device - on or off the jobsite.

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VisionLink® Productivity is an easy-to-use cloud-based platform that gathers and summarizes machine telematics and jobsite data from all your equipment. Actionable performance data is transmitted to the web platform for users to access anywhere, anytime via a mobile, tablet, or desktop device - on or off the jobsite.

Explore Technology

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