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Engine

Built for power, reliability, low maintenance, excellent fuel economy and low emissions.


Hydraulics

The state of the art hydraulic system provides you with faster cycle times and increased productivity on any material handling job.


Operator Comfort

The interior layout maximizes operator space, provides exceptional comfort and reduces operator fatigue.


Elevated Cab

Fixed and hydraulic cab risers are available to maximize visibility in your material handling work.


Undercarriage

Undercarriage and axle design provides maximum strength, flexibility and mobility on wheels.


Booms and Sticks

Designed for maximum flexibility to keep production high on all jobs.


Versatility

A wide variety of optional factory-installed attachments are available to enhance performance and improve jobsite management.


Complete Customer Support

Cat dealer services help you operate longer with lower costs.


Serviceability

Simplified and easy maintenance save you time and money


Environmentally Responsible Design

The M322D MH helps build a better world and preserve the fragile environment.


M322D MH Standard Equipment

Operator station
  • Adjustable armrest
  • Ash tray with cigarette lighter
  • Beverage holder
  • Steps uppercarriage
  • Bolt-on FOGS capability
  • Bottle holder
  • Coat hook
  • Parallel windshield wiper and washer
  • Floor mat with storage tray, washable
  • Monitor
  • Hydraulic cab riser 2400 mm (94 in)
  • Interior lighting
  • Joysticks, pilot operated
  • Laminated front windshield
  • Tiltable left side console with lock-out for all controls
  • Lower right side literature holder
  • Literature pocket behind seat
  • Mirrors
  • Mobile phone holder
  • Mounting provisions for radio and speakers
  • Parking brake
  • Positive filtered ventilation
  • Power supply, 12V-7A
  • Pressurized cab
  • Rear window, emergency exit
  • Seat belt, retractable
  • Seat with adjustable suspension
  • Skylight
  • Sliding door windows
  • Steering column, tiltable
  • Rear storage compartment
  • Sunshade for windshield and skylight

Electrical
  • Alternator, 75 amp
  • Lights
  • Power disconnect
  • Signal/warning horn
  • Heavy duty maintenance free batteries (2)

Powertrain
  • Air filter
  • Altitude capability, 3000 m (9842 ft)
  • Automatic engine speed control
  • Automatic starting aid
  • Cat C6.6 ACERT Technology (US Tier 3 and EU Stage IIIa compliant)
  • Fuel filter
  • Fuel/water seperator with level indicator
  • Muffler
  • Power mode selector (economy and standard)
  • High ambiant cooling 52° C (125° F)

Undercarriage
  • Creeper speed
  • Four wheel drive
  • Full hydraulic steering with emergency capability
  • MH undercarriage with four welded outriggers
  • Oscillating front axle, lockable with remote greasing point
  • Right and left side anti-skid steps
  • Tool box (left side)
  • Two-piece drive shaft
  • Two speed transmission
  • 25 km/h (16 mph) Top Speed

Hydraulics
  • Cat XT-6 ES hoses
  • Heavy lift mode
  • Oil cooler seperate swing pump
  • Stick regeneration circuit
  • Variable displacement, load sensing hydraulic system

Other equipment
  • Anti-drift valve for boom cylinder
  • Automatic swing brake
  • Capability to add auxiliary hydraulic circuit
  • Caterpillar Datalink and Electronic Technician capability
  • Caterpillar Product Link ready
  • Counterweight 5400 kg (11,905 lb)
  • SOSSM quick sampling valves for engine oil, hydraulic oil and coolant
  • Uppercarriage access steps
  • Lockable doors and caps with Caterpillar one key security system

M322D MH Optional Equipment

Operator station
  • Rearview camera
  • Seat
  • Falling objects guard
  • Seat headrest
  • Travel speed lock
  • Vandalism guard
  • Rain visor
  • Windshield
  • 73 mm (3") static seatbelt
  • Heated mirrors
  • AM/FM radio
  • Fixed Cab Riser, 1200 mm (47")

Electrical
  • Rear LED lights
  • Rotating beacon

Booms, MH
  • MH 6.8 m (22' 4")

Booms, Excavation
  • One piece excavation 5.7 m (18' 6")
  • VA excavation 5.4 m (17' 10")

Sticks, MH
  • Drop nose MH 4.9 m (16' 1")
  • Long Drop Nose MH 5.9 m (19' 4")
  • Straight MH 4.8 m (15' 8")

Sticks, Excavation
  • Industrial 3.3 m (10'10")
  • 2.2 m (7'3")
  • 2.5 m (8'2")
  • 2.8 m (9'3")

Hydraulics
  • Biodegradable hydraulic oil

Undercarriage
  • MH undercarriage with four welded outriggers and front mounted blade
  • Standard bolt-on/pin-on undercarriage
  • Toolbox right side
  • Optional tires

Other equipment
  • Medium pressure auxiliary hydraulic circuit
  • High pressure auxiliary hydraulic circuit
  • 2nd High pressure auxiliary hydraulic circuit
  • Joystick steering
  • Machine security system
  • Custom paint

Overview

The D series Material Handlers incorporates innovations for improved performance and versatility.

Engine

Units:
Engine Model Cat® C6.6 ACERT™ Cat® C6.6 ACERT™ Less
ISO 9249 165.0 hp 123.0 kW Less
Displacement 403.0 in3 6.6 L Less
EEC 80/1269 165.0 hp 123.0 kW Less
Bore 4.0 in 105.0 mm Less
Gross Power 173.0 hp 129.0 kW Less
Maximum Torque at 1,400 rpm 553.0 ft-lb 750.0 N·m Less
Net Power 165.0 hp 123.0 kW Less
Stroke 5.0 in 127.0 mm Less

Operating Specifications

Max Reach 37.5 ft 11.43 m Less

Hydraulic System

Implement Circuit Less
Normal 5076.0 psi 35000.0 kPa Less
Heavy Lift 5439.0 psi 37500.0 kPa Less
Travel Circuit 5076.0 psi 35000.0 kPa Less
Auxiliary Circuit Less
High Pressure 5076.0 psi 35000.0 kPa Less
Medium Pressure 2900.0 psi 20000.0 kPa Less
Swing Mechanism 4931.0 psi 34000.0 kPa Less
Maximum Flow Less
Implement/Travel Circuit 92.0 gal/min 350.0 L/min Less
Auxiliary Circuit Less
High Pressure 66.0 gal/min 250.0 L/min Less
Medium Pressure 13.0 gal/min 50.0 L/min Less
Swing Mechanism 30.0 gal/min 112.0 L/min Less
Maximum Pressure Less

Weights

Operating Weight 23 550 kg (51 919 lb) to 25 675 kg (56 604 lb) 23 550 kg (51 919 lb) to 25 675 kg (56 604 lb) Less
Counterweight 11905.0 lb 5400.0 kg Less
Front and rear outriggers 52580.0 lb 23850.0 kg Less
Front and rear outriggers 53903.0 lb 24450.0 kg Less
Front and rear outriggers 53131.0 lb 24100.0 kg Less
MH undercarriage 4 welded outriggers 51698.0 lb 23450.0 kg Less
MH undercarriage 4 welded outriggers 53021.0 lb 24050.0 kg Less
MH undercarriage 4 welded outriggers 52250.0 lb 23700.0 kg Less
MH undercarriage 4 welded outriggers, push blade 53187.0 lb 24125.0 kg Less
MH undercarriage 4 welded outriggers, push blade 53738.0 lb 24375.0 kg Less
MH undercarriage 4 welded outriggers, push blade 54509.0 lb 24725.0 kg Less
Rear dozer only 50486.0 lb 22900.0 kg Less
Rear dozer only 49714.0 lb 22550.0 kg Less
Rear dozer only 49163.0 lb 22300.0 kg Less
Rear dozer, front outriggers 53131.0 lb 24100.0 kg Less
Rear dozer, front outriggers 51809.0 lb 23500.0 kg Less
Rear dozer, front outriggers 52360.0 lb 23750.0 kg Less
2.2 m (7'3") Digging Stick 1433.0 lb 650.0 kg Less
2.5 m (8'3") Digging Stick 1543.0 lb 700.0 kg Less
2.9 m (9' 6") Digging Stick 1720.0 lb 780.0 kg Less
4.8 m (15' 8") MH Straight Stick 2425.0 lb 1100.0 kg Less
4.9 m (16' 1") MH Drop Nose Stick 2006.0 lb 910.0 kg Less
5.9 m (19' 4") MH Drop Nose Stick 2381.0 lb 1080.0 kg Less
Dozer blade 2029.0 lb 920.0 kg Less
MH Push Blade 1488.0 lb 675.0 kg Less
Material Handling Boom Less
One-Piece Boom Less
Outriggers 2778.0 lb 1260.0 kg Less
VA Boom Less

Dimensions

Shipping Height - Cab Tipped 11.2 ft 3410.0 mm Less
Shipping Width 9.8 ft 2990.0 mm Less
Shipping Length 49.7 ft 15130.0 mm Less
Tail Swing Radius 9.25 ft 2820.0 mm Less
Counterweight Clearance 4.3 ft 1310.0 mm Less
Wheel Base 9.0 ft 2750.0 mm Less
Undercarriage Width 9.8 ft 2990.0 mm Less

Swing Mechanism

Swing Torque 41525.0 lb ft 56.3 kN·m Less
Swing Speed 9.0 RPM 9.0 RPM Less

Service Refill Capacities

Cooling System 8.7 gal 33.0 L Less
Engine Crankcase with Filter 4.0 gal 15.0 L Less
Final Drive (each) 0.66 gal 2.5 L Less
Hydraulic System (including tank) 88.0 gal 335.0 L Less
Hydraulic Tank 58.0 gal 220.0 L Less
Front Steering Axle 3.0 gal 11.0 L Less
Fuel Tank 101.0 gal 385.0 L Less
Powershift Transmission 0.66 gal 2.5 L Less
Rear Axle 3.8 gal 14.5 L Less

Transmission

Maximum Travel Speed 16.0 mph 25.0 km/h Less
Creeper Speed - 1st Gear 2.0 mph 3.0 km/h Less
Creeper Speed - 2nd Gear 6.8 mph 11.0 km/h Less
Drawbar Pull 27202.0 lb 121.0 kN Less
Forward/Reverse - 1st Gear 4.7 mph 7.0 km/h Less
Forward/Reverse - 2nd Gear 16.0 mph 25.0 km/h Less
Maximum Gradeability 52% 52% Less

Undercarriage

End of One-Piece Boom 30.5 ft 9.3 m Less
End of VA Boom 25.5 ft 7.8 m Less
Outside of Tire 22.0 ft 6.8 m Less
Ground Clearance 15.0 in 380.0 mm Less
Oscillating Axle Angle ± 6° ± 6° Less
Standard Axle Turning Radius Less
Maximum Steering Angle 35.0 Degrees 35.0 Degrees Less

Sound

Performance ANSI/SAE J1166 OCT 98 ANSI/SAE J1166 OCT 98 Less
Interior sound 72 db(A) 72 db(A) Less
Exterior sound 103 db(A) 103 db(A) Less

Standards

Brakes SAE J1026 APR 90 SAE J1026 APR 90 Less
Cab/FOGS ISO 10262 ISO 10262 Less
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