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320D/D L Series 2

Medium Excavators

The 320D/D L Series 2 incorporates innovations to improve your job site efficiency through low owning and operating costs, excellent performance, and high versatility.

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Engine Model Cat® C7.1

Net Flywheel Power 106 kW

Bore 105 mm

Stroke 135 mm

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320D/D L Series 2

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FEATURES & BENEFITS

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

Engine

The Cat C7.1 engine has been designed to meet U.S. EPA Tier 2, EU Stage II and China Tier 2 emission regulations. The engine is powerful, strong, and durable to meet all... Read more

Hydraulics

Hydraulic SystemHydraulic system pressure is 35 000 kPa (5,076 psi) with 202 L/min (53.36 gal/min) flow from each of the two hydraulic pumps for increased digging perform... Read more

Undercarriage and Structures

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

Front Linkage

Cat front linkages are designed for maximum versatility, productivity, and high efficiency whatever the application.Heavy Duty Front LinkageThe 5.7 m (18'8") heavy duty (... Read more

Service and Maintenance

Ground-Level ServiceThe design and layout of the 320D/D L Series 2 was made with the service technician in mind. Most service locations are easily accessible at ground le... Read more

Complete Customer Support

Product SupportCat dealers utilize a worldwide computer network to find in-stock parts to minimize machine downtime. You can also save money with our line of remanufactur... Read more

Work Tools

Each Cat work tool is designed to optimize the versatility and performance of your machine. An extensive range of buckets, compactors, grapples, multi-processors, rippers... Read more

SPECIFICATIONS FOR 320D/D L Series 2

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Engine

Engine Model	Cat® C7.1
Net Flywheel Power	106 kW
Bore	105 mm
Stroke	135 mm
Displacement	7.01 l
Engine Power - ISO 14396	112.5 kW
Net Power - SAE J1349	106 kW

Weights

Operating Weight	22390 kg
Operating Weight - Long Undercarriage - Minimum Operating Weight (ISO 6016)	21680 kg
Operating Weight - Standard Undercarriage - Minimum Operating Weight (ISO 6016)	21040 kg
Operating Weight - Standard Undercarriage - Maximum Operating Weight (ISO 6016)	21690 kg
Operating Weight - Long Undercarriage - Maximum Operating Weight (ISO 6016)	22390 kg
Operating Weight - Standard Undercarriage	21 040 kg-21 690 kg (46,390 lb-47,820 lb)
Operating Weight - Long Undercarriage	21 680 kg-22 390 kg (47,800 lb-49,360 lb)

Service Refill Capacities

Fuel Tank Capacity	410 l
Cooling System	25 l
Engine Oil	22 l
Final Drive - Each	8 l
Hydraulic System - Including Tank	260 l
Swing Drive - Each	8 l
Hydraulic Oil	138 l

Swing Mechanism

Swing Speed	10.9 r/min
Swing Torque	61.8 kN·m

Drive

Maximum Drawbar Pull	205 kN
Maximum Travel Speed	5.4 km/h

Hydraulic System

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 Bucket Cylinder - Stroke	1104 mm
Maximum Pressure - Travel	35000 kPa
Maximum Pressure - Equipment - Lift Mode	36000 kPa
Maximum Pressure - Equipment	35000 kPa
B1 Bucket Cylinder - Bore	120 mm
Pilot System - Maximum Flow	32.4 L/min (1,977 in3/min)
Swing System - Maximum Flow	202 l/min
Maximum Pressure - Swing	25000 kPa
Main System - Maximum Flow - Total	404 l/min

SELECT MODELS TO COMPARE

Medium Excavators

333 - Tier 3

Net Power - ISO 9249 193.8 kW

Engine Model Cat C7.1

Engine Power - ISO 14396 195 kW

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