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320D/320D L (C6.6 Engine)

Medium Excavators

The D Series incorporates many 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 (C6.6 Engine)

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FEATURES & BENEFITS

Engine

Cat C6.6The 320D is equipped with a Cat C6.6 ACERT™ engine that is powerful, strong, and durable to meet 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. This pressure increases digging performance and producti... 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 p... 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 locat... Read more

Booms and Sticks

Booms, Sticks and AttachmentsCat front linkages are designed for maximum flexibility, productivity, and high efficiency for several applications.Heavy-Duty Reach BoomThe... Read more

Work Tools

An extensive range of attachments includes buckets, quick couplers, hydraulic hammers, multi-processors, shears, grapples, and rippers. Each is designed to optimize machi... 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

The 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 work you got done an... Read more

SPECIFICATIONS FOR 320D/320D L (C6.6 Engine)

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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
Net Power - SAE J1349/ISO 9249	103 kW
Gross Power - SAE J1995	111 kW

Weights

Operating Weight	22620 kg
Operating Weight - Standard Undercarriage	20970 kg
Operating Weight - Long Undercarriage	21920 kg
Minimum Operating Weight	20970 kg
Operating Weight - SLR Long Undercarriage	22620 kg
Maximum Operating Weight	22620 kg

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 - Equipment	35000 kPa
Maximum Pressure - Swing	25000 kPa
Maximum Pressure - Travel	35000 kPa

Sound Performance

Performance

Standards

Operating Weight 23500 kg

Maximum Bucket Capacity 0.8 m³

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