M322

Wheel Excavators M322

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Key Specs

Engine Power - ISO 14396:2002
174 hp
129 kW
Operating Weight Maximum
52911 lb
24000 kg
Forward/Reverse - 2nd Gear
18.6 mile/h
30 km/h

Overview

OPTIMAL EFFICIENCY WITH TECHNOLOGY AND EASY MAINTENANCE

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 cost. The Cat M322 plays its part in optimizing the operator’s efficiency to increase cash flow. Enjoy the versatility, precision, and efficiency offered by integrated solutions like Cat Grade and Payload technologies. Combined with simplified maintenance, the M322 keeps you working quickly and easily.

Benefits

IMPROVED PERFORMANCE

A Cat® C7.1 engine and powerful hydraulics give you the power to move your material with speed and precision.

UP TO 5% LOWER MAINTENANCE COSTS

With extended and more synchronized maintenance intervals, you get more done at a lower cost compared to the previous model.

UP TO 45% INCREASED OPERATOR EFFICIENCY

Work faster with improved rotational movement and lower DEF and fuel consumption. Optional Grade, Payload, and E-Fence technologies provide additional versatility, precision, and efficiency.

Product Specifications for M322

Engine Power - ISO 14396:2002 174 hp 129 kW
Engine Power - ISO 14396 (DIN) 176 hp (metric) 176 hp (metric)
Engine Model C 7.1 C 7.1
Net Power - ISO 9249 171 hp 128 kW
Net Power - ISO 9249 (DIN) 174 hp (metric) 174 hp (metric)
Bore 4.1 in 105 mm
Displacement 427.8 in² 7 l
Stroke 5.3 in 135 mm
Biodiesel Capability Up to B20¹ Up to B20¹
Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards. 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 standard in effect at the time of manufacture. 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 standard in effect at the time of manufacture.
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 (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels.Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations“ (SEBU6250) for details. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. 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 (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels.Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations“ (SEBU6250) for details. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
Main System - Maximum Flow - Implement 95 gal/min 360 l/min
Maximum Pressure - Implement Circuit - Heavy Lift 5366 psi 37000 kPa
Maximum Pressure - Implement Circuit - Travel Circuit 5076 psi 35000 kPa
Maximum Pressure - Implement Circuit - Normal 5076 psi 35000 kPa
Swing Torque 44250 lb/ft 60 kN·m
Operating Weight Maximum 52911 lb 24000 kg
Operating Weight Minimum 44750 lb 20300 kg
Fuel Tank 124.2 gal (US) 470 l
Diesel Exhaust Fluid (DEF) 7.9 gal (US) 30 l
Cooling System 10.6 gal (US) 40 l
Engine Oil 3.4 gal (US) 13 l
Hydraulic Tank 52.8 gal (US) 200 l
Hydraulic System - Including Tank 71.3 gal (US) 270 l
Forward/Reverse - 2nd Gear 18.6 mile/h 30 km/h
Forward/Reverse - 1st Gear 5.6 mile/h 9 km/h
Creeper Speed - 1st Gear 3.4 mile/h 5.5 km/h
Creeper Speed - 2nd Gear 9.3 mile/h 15 km/h
Drawbar Pull 28551 lbf 127 kN
Maximum Gradeability 70% 70%
Boom VA 5.4m (17'10") VA 5.4m (17'10")
Stick 2.9m (9'2") 2.9m (9'2")
Shipping Height with Falling Object Guard 11 ft 3350 mm
Support Point 11.3 ft 3430 mm
Shipping Length 31.1 ft 9485 mm
Tail Swing Radius 9.2 ft 2800 mm
Counterweight Clearance 4.3 ft 1330 mm
Ground Clearance 1.25 ft 320 mm
Wheel Base 9 ft 2750 mm
Boom Type VA 5.4m (17'10") VA 5.4m (17'10")
Stick 2.9m (9'2") 2.9m (9'2")
Bucket GD 1.2 m³ (1.7 yd³) GD 1.2 m³ (1.7 yd³)
Maximum Loading Height 24.7 ft 7520 mm
Maximum Digging Depth 21.8 ft 6650 mm
Reach at Ground Level 33.4 ft 10190 mm
Vertical Wall Digging Depth 17.3 ft 5290 mm
Bucket Forces (ISO) 33946 lbf 151 kN
Stick Forces (ISO) 23605 lbf 105 kN
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.6 ft 6560 mm
Cutting Height 35.8 ft 10900 mm
Note The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1 kg of refrigerant which has a CO2 equivalent of 1.43 metric tonnes. The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1 kg of refrigerant which has a CO2 equivalent of 1.43 metric tonnes.

M322 Standard Equipment

NOTE

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

CAB

  • ROPS, advanced sound suppression
  • Premium cab with auto-adjustable seat and air ventilation
  • 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
  • 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 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

HYDRAULIC SYSTEM

  • Automatic swing brake
  • Auto hydraulic oil warm up
  • Electronic main control valve
  • Boom, stick, and bucket drift reduction valves
  • 1-slider joystick
  • Heavy lift mode
  • Separate dedicated swing pump
  • Boom, stick, and bucket drift reduction valves

SAFETY AND SECURITY

  • Rear- and right-side-view cameras
  • Ground-level engine shutoff switch
  • Anti-skid plate and countersunk bolts on service platform

SERVICE AND MAINTENANCE

  • Sampling ports for Scheduled Oil Sampling (S·O·S)
  • Integrated vehicle health management system

UNDERCARRIAGE AND STRUCTURES

  • 11.00-20 16 PR, dual tires
  • Automatic brake/axle lock
  • Creeper speed
  • All wheel drive

M322 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

Compatible Technology and Services

Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.

  • Cat 2D E-fence for Excavators

    Cat® 2D E-fence keeps the front linkage within a predefined work area to avoid hazards like traffic. 2D E-fence uses data from position sensors to automatically stop motion when the front linkage reaches the defined boundaries.

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Cat® 2D E-fence keeps the front linkage within a predefined work area to avoid hazards like traffic. 2D E-fence uses data from position sensors to automatically stop motion when the front linkage reaches the defined boundaries.

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  • Cat Inspect

    Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

  • Cat PL161 Attachment Tracker

    The Cat PL161 Attachment Tracker is the most advanced OEM integrated solution for attachment tracking. The PL161 mounts easily to your attachments or anything else you want to track.

  • Cat Product Link

    Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

  • Cat Remote Flash

    Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.

  • Cat Remote Troubleshooting

    Remote Troubleshoot allows your Cat dealer to run testing while the machine is operating. Once the problem is identified, a technician can fix it with the correct parts and tools the first time, saving time and money. Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency.

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Previous Next

Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

Explore Technology

The Cat PL161 Attachment Tracker is the most advanced OEM integrated solution for attachment tracking. The PL161 mounts easily to your attachments or anything else you want to track.

Explore Technology

Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

Explore Technology

Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.

Explore Technology

Remote Troubleshoot allows your Cat dealer to run testing while the machine is operating. Once the problem is identified, a technician can fix it with the correct parts and tools the first time, saving time and money. Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency.

Explore Technology
  • Cat Grade with 2D for Excavators

    Cat Grade with 2D helps excavator operators work up to 35% more efficiently in a wide variety of applications. Delivering real-time guidance for accurate vertical and horizontal control, Grade with 2D helps to ensure that cuts and fills are made to exact specifications – without under or overcutting.

  • Cat Grade with 3D for Excavators

    Grade with 3D adds GNSS technology and RTK positioning guidance to simplify the grading process of complex designs often found on large infrastructure and commercial projects.

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Cat Grade with 2D helps excavator operators work up to 35% more efficiently in a wide variety of applications. Delivering real-time guidance for accurate vertical and horizontal control, Grade with 2D helps to ensure that cuts and fills are made to exact specifications – without under or overcutting.

Explore Technology

Grade with 3D adds GNSS technology and RTK positioning guidance to simplify the grading process of complex designs often found on large infrastructure and commercial projects.

Explore Technology
  • Cat Payload for Excavators

    Next generation excavators take on all kinds of tasks - loading, stockpiling, material handling, and more. Cat® Payload technology provides on-the-go weighing to help operators hit exact targets every time and avoid overloading, underloading, or misloading materials.

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Next generation excavators take on all kinds of tasks - loading, stockpiling, material handling, and more. Cat® Payload technology provides on-the-go weighing to help operators hit exact targets every time and avoid overloading, underloading, or misloading materials.

Explore Technology
  • VisionLink® Productivity

    VisionLink® Productivity is an easy-to-use cloud-based platform that gathers and summarizes machine telematics and jobsite data from all your equipment. Actionable performance data is transmitted to the web platform for users to access anywhere, anytime via a mobile, tablet, or desktop device - on or off the jobsite.

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VisionLink® Productivity is an easy-to-use cloud-based platform that gathers and summarizes machine telematics and jobsite data from all your equipment. Actionable performance data is transmitted to the web platform for users to access anywhere, anytime via a mobile, tablet, or desktop device - on or off the jobsite.

Explore Technology

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M322 Wheeled Excavator

M322 Wheeled Excavator

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Stick Steer for Cat® Excavators

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