320D2

Medium Excavators

The 320D2 carries long time proven features and is configured for heavy construction, to improve your job site efficiency through low owning and operating costs, excellent performance, and high versatility. It will deliver great fuel savings and productivity in truck loading, trenching and lifting.

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Engine Model Cat® C7.1

Net Flywheel Power 109 kW

Bore 105 mm

Stroke 135 mm

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320D2

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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 Tier 3, Stage IIIA equivalent, and China Stage III Nonroad emission standards with mechanical governed fuel system. The engi... 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 320D2 was made with the service technician in mind. Most service locations are easily accessible at ground level to allow... 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

Safety

Anti-skid plating with countersunk bolts reduces the potential for slippage and trip hazards, providing a safe platform for all routine service and maintenance needs.The... Read more

SPECIFICATIONS FOR 320D2

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Engine

Engine Model	Cat® C7.1
Net Flywheel Power	109 kW
Bore	105 mm
Stroke	135 mm
Displacement	7.01 l
Engine Power - ISO 14396	112 kW
Net Power - SAE J1349	109 kW
Engine RPM	1800 r/min
Emissions	The 320D2 meets Tier 3, Stage IIIA equivalent, and China Stage III Nonroad emission standards.
Note (2)	The altitude capability (without aid) of 320D2 is up to 4000 m (13,120 ft) with natural power de-rate above sea level.
Note (3)	Rating at 1,800 rpm.
Note (1)	Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator.

Weights

Operating Weight	21700 kg
Operating Weight - Standard Undercarriage	21 100 kg-21 700 kg (46,500 lb-47,800 lb)
Maximum Operating Weight**	21700 kg
Note (1)	*R5.7 (18'8") HD Reach Boom, R2.5B1 (8'2") Reach stick, HD 1.00 m3 (1.3 yd3) bucket and 600 mm (24") shoes.
Note (2)	**R5.7 (18'8") HD Reach Boom, R2.9B1 (9'6") HD Reach stick, HD 1.00 m3 (1.3 yd3) bucket and 790 mm (31") TG shoes.
Minimum Operating Weight*	21100 kg

Service Refill Capacities

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

Swing Mechanism

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

Drive

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

Hydraulic System

Maximum Pressure - Equipment	35 MPa
Boom Cylinder - Bore	120 mm
Pilot System - Maximum Flow - Total	32.4 l/min
Boom Cylinder - Stroke	1260 mm
Bucket Cylinder - Bore	120 mm
Maximum Pressure - Swing	25 MPa
Bucket Cylinder - Stroke	1104 mm
Pilot System - Maximum Pressure	3900 kPa
Stick Cylinder - Bore	140 mm
Main System - Maximum Flow - Total	404 l/min
Stick Cylinder - Stroke	1504 mm
Maximum Pressure - Travel	35 MPa

Standards

Brakes	SAE J1026/APR90
Cab/FOGS	SAE J1356 FEB88 ISO 10262

Track

Number of Shoes - Each Side	45 pieces
Number of Carrier Rollers - Each Side	2 pieces
Number of Track Rollers - Each Side	7 pieces

Sound Performance

ISO 6396 - Inside Cab	72 dB(A)
ISO 6395 - Exterior	102 dB(A)
Note (2)	Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.
Note (1)	When properly installed and maintained, the cab offered by Caterpillar, when tested with doors and windows closed according to ANSI/SAE J1166 OCT98, meets OSHA and MSHA requirements for operator sound exposure limits in effect at time of manufacture.

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