M322 Wheel Excavator

Engine Power – ISO 14396

174 hp

Operating Weight Maximum

54770 lb

Maximum Travel Speed

18.6 mile/h

ABOUT THE M322

The Cat® M322 Wheel Excavator helps provide top performance with versatility from the Cat tiltrotator (TRS) integration to get the job done fast. With low maintenance costs, long service intervals, and 100 percent daily ground level check, the M322 helps save you time and money. A cab made for operator comfort helps keep you working quickly and efficiently.

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TAKE THE M322 FOR A SPIN

GET A PEEK INSIDE THE M322’S CABIN

GET A PEEK AT THE EXTERIOR OF THE M322

Engine Power – ISO 14396

174hp

Engine Power – ISO 14396 (DIN)

176hp (metric)

Engine Model

Cat® C7.1

Net Power – ISO 9249

171hp

Net Power – ISO 9249 (DIN)

174hp (metric)

Bore

4.1in

Stroke

5.3in

Displacement

427.8in²

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

54770lb

Operating Weight Minimum

47430lb

Note (1)

Operating weight includes full fuel tank, operator, General Duty (GD) bucket and dual pneumatic tires. Weight varies depending on configuration. Typical configurations include 2.5 m (8’2″) stick and 3500 kg (7,716 lb) counterweight.

Maximum Travel Speed

18.6mile/h

Main System – Maximum Flow – Implement

95gpm

Maximum Pressure – Implement Circuit – Normal

5076psi

Maximum Pressure – Implement Circuit – Heavy Lift

5366psi

Maximum Pressure – Implement Circuit – Travel Circuit

5076psi

Maximum Swing Speed*

8.6r/min

Swing Torque

44250lbf·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

10.6gal (US)

Hydraulic Tank

52.8gal (US)

Hydraulic System – Including Tank

107gal (US)

Boom

Variable Adjustable Boom 5.4 m (17’10”)

Stick

2.9 m (9’2″)

Bucket

GD 1.19 m³ (1.56 yd³)

Shipping Height – Top of Cab

11ft

Shipping Length

31.1ft

Support Point

11.3ft

Tail Swing Radius

9.2ft

Counterweight Clearance

4.4ft

Ground Clearance

1ft

Undercarriage Length

17ft

Wheel Base

9ft

Boom

Variable Adjustable Boom 5.4 m (17’10”)

Stick

2.9 m (9’2″)

Bucket

GD 1.19 m³ (1.56 yd³)

Maximum Cutting Height

35.8ft

Maximum Loading Height

24.7ft

Maximum Digging Depth

21.8ft

Maximum Vertical Wall Digging Depth

17.3ft

Maximum Reach at Ground Line

33.4ft

Bucket Forces (ISO)

33946lbf

Stick Forces (ISO)

23605lbf

Note (1)

Range values are with dual pneumatic tires (11.00-20). Range values are calculated with a GD bucket (CW) and CW quick coupler with a tip radius of 1697 mm (5’7″). Force values are calculated with heavy lift on, a GD bucket (pin-on) and a tip radius of 157

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
Boom And Sticks
- 5.4 m (17’10”) Variable Adjustable boom
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
- One-slider joysticks
Safety And Security
- Rear and right-side-view cameras
- Lockable disconnect switch
- Anti-skid plate and countersunk bolts on service platform
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
- 11.00-20 16 PR, dual tires

Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
Boom And Sticks
- 2.5 m (8’2″) stick (Europe only)
- 2.9 m (9’6″) stick
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
- Two-slider joysticks
- Joystick steering
Safety And Security
- Wide angle mirrors
- 360° visibility
- Signal/warning horn
- Inspection lighting
- 2D E-fence
- Cab Avoidance
Service And Maintenance
- Automatic lubrication system for implement and swing system
Undercarriage And Structures
- 3500 kg (7,716 lb) counterweight (Europe only)
- 4700 kg (10,362 lb) counterweight
Cab
- Operator Protective Guards (OPG)

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Terms and Conditions

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.

The Great Payback: Terms and Conditions

*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.

Compact Equipment Offer: Terms and Conditions

Financing provided by Caterpillar Financial.
*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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