M320 Wheeled Excavator

M320 Wheeled Excavator

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.

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Engine Power - ISO 14396:2002174hp

Engine Power - ISO 14396 (DIN)176hp (metric)

Engine ModelC4.4

Net Power - ISO 9249171hp

Net Power - ISO 9249 (DIN)174hp (metric)

Bore4in

Displacement268.5in³

Stroke5.3in

Biodiesel CapabilityUp to B20¹

EmissionsMeets 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 standar

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

Operating Weight Maximum46740lb

Operating Weight Minimum41450lb

Maximum Travel Speed21.7mile/h

Main System - Maximum Flow - Implement81gal/min

Maximum Pressure - Equipment5366psi

Maximum Pressure - Swing5729gal/min

Maximum Pressure - Travel5076gal/min

Cooling System8.4gal (US)

Diesel Exhaust Fluid (DEF)7.9gal (US)

Hydraulic System - Including Tank71.3gal (US)

Hydraulic Tank40.9gal (US)

Final Drive0.7gal (US)

Fuel Tank124.2gal (US)

Boom5260 mm (17'3")

Bucket0.98 m³ GD (1.28 yd³)

Stick2.5 m (8' 2")

Shipping Height - Top of Cab11ft

Shipping Length29.3ft

Counterweight Clearance4.3ft

Ground Clearance1.4ft

Support Point11.8ft

Tail Swing Radius8.5ft

Wheel Base8.9ft

Boom TypeVA Boom

Bucket0.98 m³ GD (1.28 yd³)

Stick2.5 m (8' 2")

Reach at Ground Level30.5ft

Vertical Wall Digging Depth13.9ft

Cutting Height32.6ft

Bucket Forces (ISO)30799lbf

Stick Forces (ISO)20682lbf

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").

Swing Speed9.2r/min

Maximum Swing Torque37000ft·lbf

NoteThe 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.

Standard

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

Optional

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

Standard

ROPS, sound suppression

High-resolution 254 mm (10 in) LCD touchscreen monitor

Optional

Deluxe cab

Premium cab

Auxiliary relay

Standard

VisionLink

Remote Flash

Remote Troubleshoot

Optional

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

Standard

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

Optional

Electrical refueling pump

Standard

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

Standard

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

Optional

One-slider joysticks

Two-slider joysticks

Combined flow/high-pressure auxiliary circuit

SmartBoom

Ride control

Cat tilrotator support

Joystick steering

Standard

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

Optional

360° visibility

Cat asset tracker

Standard

Sampling ports for Scheduled Oil Sampling (S-O-S)

Integrated vehicle health management system

Optional

Automatic lubrication system for implement and swing system

Standard

Automatic brake/axle lock

All wheel drive

Optional

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

Optional

5650 mm (18'6") one-piece boom

5260 mm (17'3") variable adjustable boom

2500 mm (8'2") stick

2900 mm (9'6") stick

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