M320 Wheel Excavator

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.

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Engine Power - ISO 14396174hp

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

Engine ModelCat C4.4

Net Power - ISO 9249171hp

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

Bore4.1in

Stroke5.3in

Displacement268.5in³

Biodiesel CapabilityUp to B20¹

EmissionsMeets 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) 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

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 Speed21.7mile/h

Main System - Maximum Flow - Implement81gal/min

Maximum Pressure - Implement Circuit - Normal5076psi

Maximum Pressure - Implement Circuit - Heavy Lift5366psi

Maximum Pressure - Implement Circuit - Travel Circuit5076psi

Maximum Swing Speed*9.2r/min

Maximum Swing Torque38722lbf·ft

Note (1)*For CE-marked machine default value may be set lower

Fuel Tank124.2gal (US)

Diesel Exhaust Fluid (DEF)7.9gal (US)

Cooling System8.4gal (US)

Hydraulic Tank40.9gal (US)

Hydraulic System - Including Tank71.3gal (US)

BoomVariable Adjustable Boom 5260 mm (17'3")

Stick2500 mm (8'2")

BucketGD 0.98 m³ (1.28 yd³)

Shipping Height - Top of Cab11.1ft

Shipping Length29.3ft

Support Point11.7ft

Tail Swing Radius8.5ft

Counterweight Clearance4.3ft

Ground Clearance1.4ft

Undercarriage Length16.6ft

Wheel Base8.9ft

BoomVariable Adjustable Boom 5260 mm (17'3")

Stick2500 mm (8'2")

BucketGD 0.98 m³ (1.28 yd³)

Maximum Cutting Height32.6ft

Maximum Loading Height22.8ft

Maximum Digging Depth19.8ft

Maximum Vertical Wall Digging Depth13.9ft

Maximum Reach at Ground Line30.5ft

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

NoteThe 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).

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

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

Optional

Operator Protective Guards (OPG)

Standard

VisionLink

Remote Flash and Remote Troubleshoot

Optional

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

Standard

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

Optional

Electrical refueling pump

Standard

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

Standard

Boom, stick, and bucket drift reduction valves

Automatic hydraulic oil warm up

Heavy lift mode

Optional

Boom/stick lowering check valves

Bucket cylinder check valves

One-slider joysticks

Two-slider joysticks

Joystick steering

Standard

Rear and right-side-view cameras

Wide angle mirrors

Lockable disconnect switch

Anti-skid plate and countersunk bolts on service platform

Signal/warning horn

Optional

360° visibility

Inspection lighting

2D E-fence

Cab Avoidance

Standard

Scheduled Oil Sampling (S·O·S℠) ports

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 (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

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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