M322

M322

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Working hard has never been easier than with the Cat® M322 Wheeled Excavator. This machine is designed to help you take on a wide variety of challenges at a lower ...
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Engine

Engine Power - ISO 14396:2002
174hp
Engine Power - ISO 14396 (DIN)
176hp (metric)
Engine Model
C 7.1
Net Power - ISO 9249
171hp
Net Power - ISO 9249 (DIN)
174hp (metric)
Bore
4.1in
Displacement
427.8in²
Stroke
5.3in
Biodiesel Capability
Up to B20¹
Emissions
Meets 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

Machine Weight

Operating Weight Maximum
52911lb
Operating Weight Minimum
44750lb

Transmission

Forward/Reverse - 2nd Gear
18.6mile/h
Forward/Reverse - 1st Gear
5.6mile/h
Creeper Speed - 1st Gear
3.4mile/h
Creeper Speed - 2nd Gear
9.3mile/h
Drawbar Pull
28551lbf
Maximum Gradeability
70%

Hydraulic System

Main System - Maximum Flow - Implement
95gal/min
Maximum Pressure - Implement Circuit - Heavy Lift
5366psi
Maximum Pressure - Implement Circuit - Travel Circuit
5076psi
Maximum Pressure - Implement Circuit - Normal
5076psi

Swing Mechanism

Swing Torque
44250lb/ft

Service Refill Capacities

Fuel Tank
124.2gal (US)
Diesel Exhaust Fluid (DEF)
7.9gal (US)
Cooling System
10.6gal (US)
Engine Oil
3.4gal (US)
Hydraulic Tank
52.8gal (US)
Hydraulic System - Including Tank
71.3gal (US)

Dimensions

Boom
VA 5.4m (17'10")
Stick
2.9m (9'2")
Shipping Height with Falling Object Guard
11ft
Support Point
11.3ft
Shipping Length
31.1ft
Tail Swing Radius
9.2ft
Counterweight Clearance
4.3ft
Ground Clearance
1.25ft
Wheel Base
9ft

Working Ranges and Forces

Boom Type
VA 5.4m (17'10")
Stick
2.9m (9'2")
Bucket
GD 1.2 m³ (1.7 yd³)
Maximum Loading Height
24.7ft
Cutting Height
35.8ft
Maximum Digging Depth
21.8ft
Reach at Ground Level
33.4ft
Vertical Wall Digging Depth
17.3ft
Bucket Forces (ISO)
33946lbf
Stick Forces (ISO)
23605lbf
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
21.6ft

Air Conditioning System

Note
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.43 metric tonnes.

Standard Equipment:

Optional Equipment:

    Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
    Boom And Sticks
    • 2.5 m (8'2") stick
    • 2.9 m (9'6") stick
    Cat Technology
    • 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
    Electrical System
    • Electrical refueling pump
    Hydraulic System
    • 2-slider joystick
    • Second high-pressure auxiliary circuit (one-/ two-way high-pressure flow)
    • Medium pressure auxiliary circuit (one-/ two-way medium-pressure flow)
    • Quick coupler circuit
    • SmartBoom
    • Ride control
    • Cat tiltrotator support
    • Joystick steering
    • Boom/stick lowering check valves
    Safety And Security
    • 360° visibility
    • Cat asset tracker
    • Wide angle mirrors
    • Signaling/warning horn
    • 2D E-Fence
    • Inspection lighting
    Service And Maintenance
    • Automatic lubrication system for implement and swing system
    Undercarriage And Structures
    • 3500 kg (7,716 lb) counterweight
    • 4700 kg (10,362 lb) counterweight