320 Hydraulic Excavator User Manual

320 Hydraulic Excavator User Manual

Technical Specifications

Configurations and features may vary by region. Please consult your Cat ® dealer for availability in your area.

320 Hydraulic Excavator Specifications

Engine

• The 320 meets U.S. EPA Tier 4 Final emission standards.
• Recommended for use up to 4500 m (14,764 ft) altitude with engine power derate above 3000 m (9,842.5 ft).
• Net power is tested per ISO 14396:2002. Standards in effect at the time of manufacture.
• Net power available at the flywheel when engine is equipped with fan, air cleaner, aftertreatment, and alternator with engine speed at 2,200 rpm.
• Rated speed at 2,200 rpm.

Swing Mechanism

Weights

Operating Weight      —     22 500 kg     —      49,600 lb

• Reach boom, R2.9 (9’6″) stick, HD 1.19 m3 (1.56 yd3) bucket 790 mm (31 in) triple grouser shoes, 4.2 t (10.400 lb) counterweight.

Track

Drive

Hydraulic System

Service Refill Capacities

Standards

Sound Performance

ISO 6395:2008 (external) — 99 dB(A)
ISO 6396:2008 ISO 6396 (inside cab) — 70 dB(A)

• 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.

Operating Weight and Ground Pressure

Major Component Weights

Dimensions

All dimensions are approximate and may vary depending on bucket selection .

Working Ranges

All dimensions are approximate and may vary depending on bucket selection.

Reach Boom Lift Capacities – Counterweight: 4.2 mt (9,300 lb) – without

Bucket, Heavy Lift: On

• Indicates that the load is limited by hydraulic lifting capacity rather than tipping load . The above loads are in compliance with hydraulic excavator lift capacity standard ISO 10567:2007 . They do not exceed 87% of hydraulic lifting capacity or 75% of tipping load . Weight of all lifting accessories must be deducted from the above lifting capacities . Lifting capacities are based on the machine standing on a firm, uniform supporting surface . The use of a work tool attachment point to handle/lift objects, could affect the machine lift performance .

Lift capacity stays with ±5% for all available track shoes .

Always refer to the appropriate Operation and Maintenance Manual for specific product information .

HD Reach Boom Lift Capacities – Counterweight: 4.7 mt (10,400 lb) –

without Bucket, Heavy Lift: On

• Indicates that the load is limited by hydraulic lifting capacity rather than tipping load . The above loads are in compliance with hydraulic excavator lift capacity standard ISO 10567:2007 . They do not exceed 87% of hydraulic lifting capacity or 75% of tipping load . Weight of all lifting accessories must be deducted from the above lifting capacities . Lifting capacities are based on the machine standing on a firm, uniform supporting surface . The use of a work tool attachment point to handle/lift objects, could affect the machine lift performance .

Lift capacity stays with ±5% for all available track shoes .

Always refer to the appropriate Operation and Maintenance Manual for specific product information .

Super Long Reach Boom Lift Capacities – Counterweight: 4.7 mt (10,400 lb)

– without Bucket

• Indicates that the load is limited by hydraulic lifting capacity rather than tipping load . The above loads are in compliance with hydraulic excavator lift capacity standard ISO 10567:2007 . They do not exceed 87% of hydraulic lifting capacity or 75% of tipping load . Weight of all lifting accessories must be deducted from the above lifting capacities . Lifting capacities are based on the machine standing on a firm, uniform supporting surface . The use of a work tool attachment point to handle/lift objects, could affect the machine lift performance .

Lift capacity stays with ±5% for all available track shoes.

Always refer to the appropriate Operation and Maintenance Manual for specific product information .

• Indicates that the load is limited by hydraulic lifting capacity rather than tipping load . The above loads are in compliance with hydraulic excavator lift capacity standard ISO 10567:2007 . They do not exceed 87% of hydraulic lifting capacity or 75% of tipping load . Weight of all lifting accessories must be deducted from the above lifting capacities . Lifting capacities are based on the machine standing on a firm, uniform supporting surface . The use of a work tool attachment point to handle/lift objects, could affect the machine lift performance .

Lift capacity stays with ±5% for all available track shoes.

Always refer to the appropriate Operation and Maintenance Manual for specific product information .

Bucket Specifications and Compatibility

Caterpillar recommends using appropriate work tools to maximize the value customers receive from our products . Use of work tools, including buckets, which are outside of Caterpillar’s recommendations or specifications for weight, dimensions, flows, pressures, etc . may result in less-than-optimal performance, including but not limited to reductions in production, stability, reliability, and component durability . Improper use of a work tool resulting in sweeping, prying, twisting and/or catching of heavy loads will reduce the life of the boom and stick.

Caterpillar recommends using appropriate work tools to maximize the value customers receive from our products . Use of work tools, including buckets, which are outside of Caterpillar’s recommendations or specifications for weight, dimensions, flows, pressures, etc . may result in less-than-optimal performance, including but not limited to reductions in production, stability, reliability, and component durability . Improper use of a work tool resulting in sweeping, prying, twisting and/or catching of heavy loads will reduce the life of the boom and stick .

Attachments Offering Guide

Not all Attachments are available in all regions . Consult your Cat dealer for configurations available in your region .

Not all Attachments are available in all regions . Consult your Cat dealer for configurations available in your region .

Not all Attachments are available in all regions . Consult your Cat dealer for configurations available in your region .

Thumb Specifications

^ Maximum bucket payload will vary depending on thumb’s mass, stick length, counterweight, and coupler type; please select bucket using the bucket matching guide .

Standard and Optional Equipment

Standard and optional equipment may vary. Consult your Cat dealer for details.

Dealer Installed Kit and Attachments

Attachments may vary . Consult your Cat dealer for details .

CAB

• Radial lower wiper
• LH/RH electrical pedal for tool control
• Dual exit rear window kit
• Rain protector plus cab light cover
• 75 mm (3″) retractable seat belt

SAFETY AND SECURITY

• Bluetooth key fob

SERVICE AND MAINTENANCE

• Grease gun holder

ELECTRICAL

• Jump start wiring

GUARDS

• Side rubber bumper
• Falling object guard system (not compatible with cab light cover, rain protector)
• Mesh guard full front (not compatible with cab light cover, rain protector)
• Mesh guard lower half front
• Full protecting vandalism guard

For more complete information on Cat products, dealer services, and industry solutions, visit us on the web at www.cat.com

© 2020 Caterpillar
All rights reserved

Materials and specifications are subject to change without notice . Featured machines in photos may include additional equipment . See your Cat dealer for available options.

CAT, CATERPILLAR, LET’S DO THE WORK, their respective logos, “Caterpillar Corporate Yellow,” the “Power Edge” and Cat “Modern Hex” trade dress as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.

AEXQ2161-04 (11-2020)
Replaces AEXQ2161-03
Build Number: 07D
(North America)

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