M320 - Tier 4 / Stage V

Wheel Excavators M320 - Tier 4 / Stage V

Tier 4 / Stage V

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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

High Performance with Low Operating Costs

The Cat® M320 Wheel Excavator helps provide top performance with high swing torque to get the job done fast. With low maintenance costs, long service intervals, and 100 percent daily ground level check, the M320 helps save you time and money. A cab made for operator comfort helps keep you working quickly and efficiently.

Benefits

High Performance

Work fast with help from high swing torque and a long wheelbase to help improve stability.

Easy to Maintain

Long life filters for fuel, hydraulic oil, and air, 100 percent daily ground level check, and centralized grease points with an autolube option help lower your overall costs.

Operator Comfort

Operate with ease. Deluxe and Premium cab options with an ergonomic control layout and comfortable seat help you work comfortably all shift long.

Product Specifications for M320 - Tier 4 / Stage V

Engine Power - ISO 14396 174 hp 129.4 kW
Engine Power - ISO 14396 (DIN) 176 hp (metric) 176 hp (metric)
Engine Model Cat C4.4 Cat C4.4
Net Power - ISO 9249 171 hp 127.8 kW
Net Power - ISO 9249 (DIN) 174 hp (metric) 174 hp (metric)
Bore 4.1 in 105 mm
Stroke 5.3 in 135 mm
Displacement 268.5 in³ 4.4 l
Biodiesel Capability Up to B20¹ Up to B20¹
Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Note (1) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, Clean Emission Module (CEM) exhaust gas aftertreatment, alternator, and cooling fan running at intermediate speed. Rated 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, Clean Emission Module (CEM) exhaust gas aftertreatment, alternator, and cooling fan running at intermediate speed. Rated 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 - Implement Circuit - Normal 5076 psi 35000 kPa
Maximum Pressure - Implement Circuit - Heavy Lift 5366 psi 37000 kPa
Maximum Pressure - Implement Circuit - Travel Circuit 5076 psi 35000 kPa
Maximum Swing Speed* 9.2 r/min 9.2 r/min
Maximum Swing Torque 38722 lbf·ft 52.5 kN·m
Note (1) *For CE-marked machine default value may be set lower *For CE-marked machine default value may be set lower
Operating Weight Maximum 46740 lb 21200 kg
Operating Weight Minimum 41450 lb 18800 kg
Note (1) Operating weight includes full fuel tank, operator, bucket 700 kg (1,543 lb) and dual pneumatic tires. Weight varies depending on configuration. Typical configurations include 2500 mm (8'2") stick, 3600 kg (7,937 lb) counterweight, bucket and 220 kg (485 lb) quick coupler. Operating weight includes full fuel tank, operator, bucket 700 kg (1,543 lb) and dual pneumatic tires. Weight varies depending on configuration. Typical configurations include 2500 mm (8'2") stick, 3600 kg (7,937 lb) counterweight, bucket and 220 kg (485 lb) quick coupler.
Fuel Tank 124.2 gal (US) 470 l
Diesel Exhaust Fluid (DEF) 7.9 gal (US) 30 l
Cooling System 8.4 gal (US) 31.7 l
Hydraulic Tank 40.9 gal (US) 155 l
Hydraulic System - Including Tank 71.3 gal (US) 270 l
Boom Variable Adjustable Boom 5260 mm (17'3") Variable Adjustable Boom 5260 mm (17'3")
Stick 2500 mm (8'2") 2500 mm (8'2")
Bucket GD 0.98 m³ (1.28 yd³) GD 0.98 m³ (1.28 yd³)
Shipping Height - Top of Cab 11.1 ft 3370 mm
Shipping Length 29.3 ft 8925 mm
Support Point 11.7 ft 3580 mm
Tail Swing Radius 8.5 ft 2600 mm
Counterweight Clearance 4.3 ft 1306 mm
Ground Clearance 1.4 ft 420 mm
Undercarriage Length 16.6 ft 5050 mm
Wheel Base 8.9 ft 2700 mm
Boom Variable Adjustable Boom 5260 mm (17'3") Variable Adjustable Boom 5260 mm (17'3")
Stick 2500 mm (8'2") 2500 mm (8'2")
Bucket GD 0.98 m³ (1.28 yd³) GD 0.98 m³ (1.28 yd³)
Maximum Cutting Height 32.6 ft 9950 mm
Maximum Loading Height 22.8 ft 6960 mm
Maximum Digging Depth 19.8 ft 6030 mm
Maximum Vertical Wall Digging Depth 13.9 ft 4230 mm
Maximum Reach at Ground Line 30.5 ft 9290 mm
Stick Forces (ISO) 20682 lbf 92 kN
Bucket Forces (ISO) 30799 lbf 137 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"). Force values are calculated with heavy lift on, a GD bucket (pin-on) and a tip radius of 1462 mm (4'10"). 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"). Force values are calculated with heavy lift on, a GD bucket (pin-on) and a tip radius of 1462 mm (4'10").
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 (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons). The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons).

M320 - Tier 4 / Stage V Standard Equipment

NOTE

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

CAB

  • Sound-suppressed ROPS cab
  • Keyless push-to-start engine control
  • Height-adjustable console, infinite with no tool
  • High-resolution 254 mm (10 in) LCD touchscreen monitor

CAT TECHNOLOGY

  • VisionLink
  • Remote Flash and Remote Troubleshoot

ELECTRICAL SYSTEM

  • LED lights on chassis (left-hand, right-hand) and counterweight
  • Programmable time-delay LED working lights
  • Roading and indicator lights, front and rear
  • Maintenance free batteries
  • Centralized electrical disconnect switch

ENGINE

  • Power Mode Selector
  • One-touch low idle with automatic engine speed control
  • Automatic engine idle shutdown
  • 52°C (125°F) high-ambient cooling capacity
  • Cold start capability -18°C (0°F)
  • Double element air filter with integrated pre-cleaner

HYDRAULIC SYSTEM

  • Boom, stick, and bucket drift reduction valves
  • Automatic hydraulic oil warm up
  • Heavy lift mode

SAFETY AND SECURITY

  • Rear and right-side-view cameras
  • Wide angle mirrors
  • Lockable disconnect switch
  • Anti-skid plate and countersunk bolts on service platform
  • Signal/warning horn

SERVICE AND MAINTENANCE

  • Scheduled Oil Sampling (S·O·S℠) ports
  • Integrated vehicle health management system

UNDERCARRIAGE AND STRUCTURES

  • Automatic brake/axle lock
  • All wheel drive

M320 - Tier 4 / Stage V 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

  • Operator Protective Guards (OPG)

CAT TECHNOLOGY

  • Cat Grade with 2D
  • Cat Grade with 2D with Attachment Ready Option (ARO)
  • Laser catcher
  • Cat Grade 3D ready
  • Cat Grade Connectivity
  • Cat Grade with Assist
  • Cat Payload
  • Cat Tiltrotator (TRS) Integration

ELECTRICAL SYSTEM

  • Electrical refueling pump

HYDRAULIC SYSTEM

  • Boom/stick lowering check valves
  • Bucket cylinder check valves
  • One-slider joysticks
  • Two-slider joysticks
  • Joystick steering

SAFETY AND SECURITY

  • 360° visibility
  • Inspection lighting
  • 2D E-fence
  • Cab Avoidance

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 (Europe only)
  • 445/70R 19.5, single tires
  • 300-80-22.5 dual pneumatic, spacerless tire
  • 3600 kg (7,937 lb) counterweight (Europe only)
  • 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 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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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

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