Exterior View
Interior View
Engine Power – ISO 14396

174 hp

Operating Weight Maximum

46740 lb

Maximum Travel Speed

21.7 mile/h

M320 Wheel Excavator

ABOUT THE M320

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.

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COMPARE THE M320 TO OTHER Wheel-excavators

Engine Power – ISO 14396
174hp
Engine Power – ISO 14396 (DIN)
176hp (metric)
Engine Model
Cat C4.4
Net Power – ISO 9249
171hp
Net Power – ISO 9249 (DIN)
174hp (metric)
Bore
4.1in
Stroke
5.3in
Displacement
268.5in³
Biodiesel Capability
Up to B20¹
Emissions
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. Adv
Note (2)
¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)*** or 100
Operating Weight Maximum
46740lb
Operating Weight Minimum
41450lb
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
Maximum Travel Speed
21.7mile/h
Main System – Maximum Flow – Implement
81gpm
Maximum Pressure – Implement Circuit – Normal
5076psi
Maximum Pressure – Implement Circuit – Heavy Lift
5366psi
Maximum Pressure – Implement Circuit – Travel Circuit
5076psi
Maximum Swing Speed*
9.2r/min
Maximum Swing Torque
38722lbf·ft
Note (1)
*For CE-marked machine default value may be set lower
Fuel Tank
124.2gal (US)
Diesel Exhaust Fluid (DEF)
7.9gal (US)
Cooling System
8.4gal (US)
Hydraulic Tank
40.9gal (US)
Hydraulic System – Including Tank
71.3gal (US)
Boom
Variable Adjustable Boom 5260 mm (17’3″)
Stick
2500 mm (8’2″)
Bucket
GD 0.98 m³ (1.28 yd³)
Shipping Height – Top of Cab
11.1ft
Shipping Length
29.3ft
Support Point
11.7ft
Tail Swing Radius
8.5ft
Counterweight Clearance
4.3ft
Ground Clearance
1.4ft
Undercarriage Length
16.6ft
Wheel Base
8.9ft
Boom
Variable Adjustable Boom 5260 mm (17’3″)
Stick
2500 mm (8’2″)
Bucket
GD 0.98 m³ (1.28 yd³)
Maximum Cutting Height
32.6ft
Maximum Loading Height
22.8ft
Maximum Digging Depth
19.8ft
Maximum Vertical Wall Digging Depth
13.9ft
Maximum Reach at Ground Line
30.5ft
Stick Forces (ISO)
20682lbf
Bucket Forces (ISO)
30799lbf
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
Note
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. If equipped with R134a (Global Warming Potential = 1430), the system conta
  • 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
  • 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

Why Choose Louisiana Cat

We serve to build and power our community for a better future.

  • Provide a safe & meaningful work environment
  • Deliver innovative solutions through our expertise
  • Committed to the long-term growth and success of our employees and customers
  • Grow our business profitably

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Small Excavators Big Savings: Terms and Conditions

* Offer valid from October 1, 2024 through December 31, 2024 on new 313 through 317 Cat® excavators sold by participating Cat dealers to customers in the USA or Canada. Purchase must occur during offer period. Offer subject to machine availability and credit approval by Cat Financial. Not all customers will qualify. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on select new Cat® machines listed in our Heavy Equipment Promotion page. Purchase must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The offered Cat Customer Value Agreement (CVA) includes 6 maintenance parts kits; S∙O∙SSM; and 36 month VisionLink® ConnectPro. The maintenance parts cover the first 3,000 hours^ (estimated 3 years) of machine utilization. Each kit contains one set of parts for regular planned maintenance under normal operating conditions. In some severe applications where maintenance parts need to be replaced more frequently, additional parts will be at customer’s expense. Offer excludes additional maintenance parts, dealer labor, wear parts, and fluids. Offer also includes a 36 month/5000 hour (whichever occurs first) Powertrain, Hydraulics and Technology Equipment Protection Plan (EPP). In some areas, EPP might be sold separately from the CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply. Contact your Cat dealer for details.

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*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on purchases of new mini excavators, micro excavators, skid steer loaders, and compact track loaders sold by participating Cat dealers to customers in the USA or Canada. Purchases (both machine and CVA) and machine delivery must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The credit $500 USD for CVA purchase can only be applied toward the purchase of a qualifying Cat Customer Value Agreement (CVA). CVA must be at least 2yr/1000hr and must include 1-year Preventative Maintenance Parts Kit, TA1 annual Inspection, signed CVA contract, and Product LinkTM. Amount of CVA credit is the same for all models and cannot exceed the price of the qualifying CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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