320D2 GC (Tier 3)

Medium Excavators

The new Cat 320D2 GC hydraulic excavator is engineered for low operating costs, simple routine maintenance, high productivity and long-term durability. Equipped with a four-cylinder, turbocharged Cat C4.4 ACERT engine, the new model is exceptionally fuel efficient, the fuel saving is up to 17% (depends on the different applications and regional configurations), compared with 320D2. Fuel saving results may vary depending on applications conditions, operator behavior and other external factors.

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Engine Model Cat® C4.4 ACERT™

Net Flywheel Power 85 kW

Bore 105 mm

Stroke 127 mm

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320D2 GC (Tier 3)

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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 C4.4 ACERT engine with four cylinders has been designed to meet U.S. EPA Tier 3/EU Stage IIIA equivalent and China III Nonroad emission standards. The proven C4.4... Read more

Hydraulics

Hydraulic SystemHydraulic system pressure is 35 000 kPa (5,076 psi) with 428 L/min (113.1 gal/min) flow from the two hydraulic pumps increases digging performance and pro... Read more

Undercarriage and Structures

Main FrameThe rugged main frame is extremely durable and designed for the toughest applications.Standard UndercarriageDurable Cat undercarriage absorbs stresses and provi... Read more

Front Linkage

Cat front linkages are designed for maximum versatility, productivity, and high efficiency.Boom and SticksThe 320D2 GC is offered with a 5.7 m (18'8") reach boom and two... Read more

Work Tools

BucketsCat buckets and Cat Ground Engaging Tools (GET) are designed and matched to the machine to ensure optimal performance and fuel efficiency.Utility Buckets (UD)These... Read more

Integrated Technologies

Cat Connect makes smart use of technology and services to improve your job site efficiency. Using the data from technology-equipped machines, you'll get more information... Read more

Service and Maintenance

Ground-Level ServiceThe design and layout of the 320D2 GC was made with the service technician in mind. Most service locations are easily accessible at ground level to al... 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

SPECIFICATIONS FOR 320D2 GC (Tier 3)

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Engine

Engine Model	Cat® C4.4 ACERT™
Net Flywheel Power	85 kW
Bore	105 mm
Stroke	127 mm
Displacement	4.4 l
Engine Power - ISO 14396	93 kW
Net Power - SAE J1349/ISO 9249	85 kW
Note (2)	Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator.
Note (3)	Rating at 1,800 rpm.
Note (1)	No engine power derating required below 4000 m (13,120 ft) altitude.
Emissions	The 320D2 GC meets U.S. EPA Tier 3/EU Stage IIIA equivalent and China III Nonroad emission standards.
Engine RPM	1800 r/min

Weights

Operating Weight	20800 kg
Maximum Operating Weight*	20800 kg
Minimum Operating Weight**	20100 kg
Note (2)	**R5.7 (18'8") reach boom, R2.9B1 (9'6") reach stick, UD 0.9 m3 (1.17 yd3) bucket and 600 mm (24") shoes.
Note (1)	*R5.7 (18'8") reach boom, R2.9B1 (9'6") reach stick, GD 1.00 m3 (1.3 yd3) bucket and 790 mm (31") shoes.

Service Refill Capacities

Fuel Tank Capacity	410 l
Cooling System	25 l
Engine Oil	16 l
Swing Drive	8 l
Hydraulic System Oil - Including Tank	260 l
Hydraulic Tank Oil	138 l
Final Drive	8 l

Swing Mechanism

Swing Speed	11.9 r/min
Swing Torque	61.8 kN·m

Drive

Maximum Drawbar Pull	206 kN
Maximum Travel Speed - High	5.8 km/h
Maximum Travel Speed - Low	3.6 km/h
Maximum Gradeability	30°/70%

Hydraulic System

Stick Cylinder - Bore	140 mm
Bucket Cylinder - Bore	120 mm
Pilot System - Maximum Pressure	3900 kPa
Pilot System - Maximum Flow - Total	23.1 l/min
Maximum Pressure	35 MPa
Boom Cylinder - Stroke	1260 mm
Maximum Pressure - Swing	25 MPa
Boom Cylinder - Bore	120 mm
Stick Cylinder - Stroke	1504 mm
Main System - Maximum Flow - Total	428 l/min
Bucket Cylinder - Stroke	1104 mm

Standards

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

Sound Performance

ISO 6396 - Interior Sound Pressure Level	69 dB(A)
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.
ISO 6395 - Exterior Sound Power Level	101 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.

Track

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

Medium Excavators

320 GC

Engine Model Cat C4.4

Net Flywheel Power 90 kW

Bore 105 mm

Stroke 127 mm

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Medium Excavators

320 - Tier 3

Net Power - ISO 9249 117 kW

Engine Model Cat C7.1

Bore 105 mm

Stroke 135 mm

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