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320D/320D L

Medium Excavators

The D Series incorporates innovations for improved performance and versatility.

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Engine Model Cat® C6.6 ACERT™

Net Flywheel Power 103 kW

Bore 105 mm

Stroke 127 mm

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320D/320D L

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FEATURES & BENEFITS

Engine

Cat C6.6The 320D is equipped with a Cat C6.6 ACERT™ engine which is powerful, strong and durable meeting all of your application needs. An ECO-mode feature helps to reduc... Read more

Hydraulics

Hydraulic SystemHydraulic system pressure is 35 000 kPa, with 205 L/min flow from each of the two hydraulic pumps for increased digging performance and productivity.Pilot... Read more

Structures

Carbody Design and Track Roller FramesX-shaped, box-section carbody provides excellent resistance to torsional bending. Robot-welded track roller frames are press-formed,... Read more

Operator Station

Operator StationThe ergonomically designed operator station is spacious, quiet and comfortable, assuring high productivity during a long work day. All switches are locate... Read more

Booms and Sticks

Booms, Sticks and AttachmentsCat front linkages are designed for maximum flexibility, productivity and high efficiency what ever the application.Heavy Duty Reach BoomThe... Read more

Work Tools - Attachments

Cat Buckets and Cat Ground Engaging Tools (GET) are designed and matched to the machine ensuring optimal performance and fuel consumption. They are built to Caterpillar s... Read more

Service and Maintenance

Ground Level ServiceThe design and layout of the 320D was made with the service technician in mind. Many service locations are easily accessible at ground level allowing... Read more

Complete Customer Support

Product SupportYou will find nearly all parts at our dealer parts counter. Cat dealers utilize a worldwide computer network to find in-stock parts to minimize machine dow... Read more

Cat® 320D Total Solutions

More than a MachineThe Cat 320D excavator provides all the elements to give you the lowest cost to own and operate. At the end of the day, it all comes down to how much w... Read more

SPECIFICATIONS FOR 320D/320D L

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Engine

Engine Model	Cat® C6.6 ACERT™
Net Flywheel Power	103 kW
Bore	105 mm
Stroke	127 mm
Displacement	6.6 l
Gross Power - SAE J1995	111 kW
Net Power - SAE J1349/ISO 9249	103 kW

Weights

Operating Weight - 320D GC	20160 kg
Operating Weight - Long Undercarriage	21 830 kg-21 900 kg (48,127 lb-48,281 lb)
Operating Weight - Standard Undercarriage	20 660 kg-21 310 kg (45,547 lb-46,980 lb)

Service Refill Capacities

Fuel Tank Capacity	410 l
Cooling System	29 l
Engine Oil	22 l
Swing Drive	8 l
Final Drive - Each	8 l
Hydraulic System - Including Tank	260 l
Hydraulic Tank	120 l

Swing Mechanism

Swing Speed	11.5 r/min
Swing Torque	62 kN·m

Drive

Maximum Drawbar Pull	206 kN
Maximum Travel Speed	5.6 km/h

Hydraulic System

Main Implement System - Maximum Flow (2x)	205 l/min
Pilot System - Maximum Flow	32.4 l/min
Pilot System - Maximum Pressure	3900 kPa
Boom Cylinder - Bore	120 mm
Boom Cylinder - Stroke	1260 mm
Stick Cylinder - Bore	140 mm
Stick Cylinder - Stroke	1504 mm
B1 Family Bucket Cylinder - Bore	120 mm
B1 Family Bucket Cylinder - Stroke	1104 mm
Maximum Pressure - Travel	35000 kPa
Maximum Pressure - Swing	25000 kPa
Maximum Pressure - Equipment	35000 kPa

Sound Performance

Performance

Standards

Engine Power - ISO 14396 108 kW

Bore 105 mm

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329F L

Net Flywheel Power 175 kW

Stroke 135 mm

Net Power - SAE J1349/ISO 9249 175 kW

Gross Power - SAE J1995 178 kW

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335F L

Engine Model Cat® C7.1 ACERT™

Net Flywheel Power 149 kW

Bore 105 mm

Stroke 135 mm

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