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M320 Wheel Excavator

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Exterior View
Interior View

M320 Wheel Excavator

Engine Power – ISO 14396174 hp
Engine Power – ISO 14396 (DIN)176 hp (metric)
Engine ModelCat C4.4
Net Power – ISO 9249171 hp
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Learn more about our M320 Wheel Excavator

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.

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
Standard and optional equipment may vary. Consult your Cat dealer for details.
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
VisionLink™
Remote Flash and Remote Troubleshoot
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
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
Boom, stick, and bucket drift reduction valves
Automatic hydraulic oil warm up
Heavy lift mode
Rear and right-side-view cameras
Wide angle mirrors
Lockable disconnect switch
Anti-skid plate and countersunk bolts on service platform
Signal/warning horn
Scheduled Oil Sampling (S·O·S℠) ports
Integrated vehicle health management system
Automatic brake/axle lock
All wheel drive
Standard and optional equipment may vary. Consult your Cat dealer for details.
5650 mm (18'6") One-piece boom
5260 mm (17'3") Variable Adjustable boom
2500 mm (8'2") stick
2900 mm (9'6") stick
Operator Protective Guards (OPG)
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 refueling pump
Boom/stick lowering check valves
Bucket cylinder check valves
One-slider joysticks
Two-slider joysticks
Joystick steering
360° visibility
Inspection lighting
2D E-fence
Cab Avoidance
Automatic lubrication system for implement and swing system
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

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