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CAT 320 Excavator

CAT 320 Excavator

The CAT 320 Excavator is a powerful and versatile machine that is commonly used in construction and mining operations. With its advanced technology and impressive capabilities, the CAT 320 Excavator is capable of handling a wide range of tasks, from digging and grading to demolition and material handling.

One of the most notable features of the CAT 320 Excavator is its powerful engine. Equipped with a CAT C4.4 ACERT engine, this excavator delivers a maximum net power of 74 horsepower and an operating weight of over 33,000 pounds. This allows the machine to handle heavy loads and perform demanding tasks with ease.

The CAT 320 Excavator is also known for its impressive digging capabilities. With a maximum digging depth of over 20 feet and a maximum digging reach of over 32 feet, this excavator is capable of excavating large amounts of earth quickly and efficiently. Additionally, the excavator is equipped with a variety of attachments, such as a bucket or a hammer, that can be used to perform a wide range of digging and grading tasks.

CAT 320 Excavator


long reach

Long Reach Arms

The HAWK Long Reach Arms Package is an excellent addition to any standard excavator for deep foundation excavation, industrial demolition, deeper or more precise dredging, large digging projects, barge unloading, tank cleaning, and for any.. read more

HAWK Excavator Amphibious Undercarriage

Amphibious  Undercarriage

The HAWK Amphibious Undercarriage is an excavator that you can use in inaccessible places. Install our amphibious undercarriage and tracks package and easily be able to dredge and excavate from land, sea, or swamp,.. read more


RTK GPS Dredge & Dig System

The HAWK RTK GPS Dredge & Dig System is an efficient and accurate dredging equipment and you always know where you’re dredging with our new RTK GPS system that can be attached to a dredge.. read more


HAWK Hydraulic Breaker Hammer

Hydraulic Breaker Hammers

The HAWK hydraulic breaker hammer is essential in mining, demolitions, excavations, and quarries as it chips away large boulders and concrete structures. Most contractors prefer using the hydraulic hammer breaker because of its high performance,.. read more

HAWK General Duty Bucket

General Purpose Buckets

HAWK Excavator general purpose bucket is made for light-duty operations like loading, excavation, and earthmoving gravel, loose rock, sand, and earth. This skid steer digging bucket is also ideal for the large-capacity workload like deep earth.. read more

HAWK Clamshell Bucket

HAWK Capacity Clamshell Buckets

The HAWK excavator clamshell bucket and rotating clamshell bucket is best for dredging and material re-handling. These clamshell buckets are capable of picking up 1 y³ of material. The rotating clamshell bucket 360-degrees of rotation… read more

HAWK Excavator Grapples

HAWK excavator grapples are an excellent alternative to excavator buckets, converting the latter into machines fit for demolition site cleanups, sorting trash, and handling loose materials. HAWK offers different excavator grapples for different applications.


new features


  • Optional CAT 320 Excavator Command remote control allows you to work outside of the cab to help avoid potential hazards.
  • Optional CAT 320 Excavator Detect – People Detection helps the operator avoid personnel on the jobsite with visual and auditory alerts.
  • The optional integrated vehicle health management system alerts the operator with service guidance and necessary parts to enhance uptime.
  • Optional single antenna global navigation satellite system (GNSS) gives you visual and auditory guidance to grade.
  • Optional auxiliary relay powers on and turns off CB radios, beacon lights, and other attachments without you taking your hands off the joysticks.
  • Enhance visibility to make service work more accessible and safer with optional inspection lighting.
  • Make the jobsite safer with an optional swing alarm.
    Not all features are available in all regions. Please check with your local Cat dealer for specific offering availability in your area.
    Build Number: 08B


  • The C7.1 twin turbo engine reliably delivers power to the pumps for maximum production.
  • The electrohydraulic system responds quickly and efficiently to the task at hand.
  • Match the excavator to the job with three power modes – Power, Smart, and Eco.
  • Power mode is maximum power all the time. Smart mode automatically matches engine and hydraulic power to digging conditions, providing maximum power when needed and reducing power when it isn’t to help save fuel.
  • Eco mode reduces engine speed and keeps it constant to reduce fuel consumption.


download specs here DOWNLOAD


Net Power – ISO 9249 146 HP
Engine Model Cat C4.4e TA
Engine Power – ISO 14396 148 HP
Bore 4 in
Stroke 5 in
Displacement 269 in³


Main System – Maximum Flow 442 l/min (116 gal/min)
Maximum Pressure – Equipment 5075 psi
Maximum Pressure – Travel 4974 psi
Maximum Pressure – Swing 3625 psi


Swing Speed 11.6 r/min
Maximum Swing Torque 54900 ft·lb


Operating Weight 48300 lb


Fuel Tank Capacity 86.6 gal (US)
Cooling System 6.6 gal (US)
Engine Oil 4 gal (US)
Swing Drive – Each 3.2 gal (US)
Final Drive – Each 1.1 gal (US)
Hydraulic System – Including Tank 61.8 gal (US)
Hydraulic Tank 30.4 gal (US)
DEF Tank 10.3 gal (US)


Boom Reach 5.7 m (18’8″)
Stick R2.9B1 (9’6″)
Bucket 1.00 m³ (1.31 yd³)
Shipping Height – Top of Cab 9.7 ft
Handrail Height 9.8 ft
Shipping Length 31.3 ft
Tail Swing Radius 9.3 f
Counterweight Clearance 3.4 ft
Ground Clearance 1.5 ft
Track Length 14.7 ft
Length to Center of Rollers 12 ft
Track Gauge 7.9 ft
Transport Width 10.4 ft


Maximum Digging Depth 22 ft
Boom Reach 5.7 m (18.8)
Stick R2.9B1 (9’6″)
Bucket 1.00 m³ (1.31 yd³)
Maximum Reach at Ground Level 32.3 ft
Maximum Cutting Height 31 ft
Maximum Loading Height 21.3 ft
Minimum Loading Height 7.1 ft
Maximum Depth Cut for 2440 mm (8 ft)
Level Bottom 21.6 ft
Maximum Vertical Wall Digging Depth 18.7 ft
Bucket Digging Force – ISO 28935 lbs.
Stick Digging Force – ISO 22281 lbs.