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320 Hydraulic Excavator

320 Hydraulic Excavator

At a Glance

Engine Model
Cat C4.4 ACERT
Net Flywheel Power
162 HP
Operating Weight - Europe/Australia & New Zealand
48300 lb
Operating Weight - North America
49600 lb
Request a Demo Machine Comparison

Overview

The Cat® 320 excavator brings premium performance with simple-to-use technologies like Cat GRADE with 2D, Grade Assist, and Payload – all standard equipment from the factory to boost your operator efficiencies up to 45%. Combine these features with a new cab, longer maintenance intervals that lower your maintenance costs up to 15%, and a power system that reduces fuel consumption by up to 25% and you have a low-cost-per-unit-of-production excavator that’s perfect for medium- to heavy-duty applications.

Engine

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Engine Model Cat C4.4 ACERT
Net Flywheel Power 162HP
Bore 4in
Stroke 5in
Displacement 269in³
Gross Power - SAE J1995 164HP
Net Power - SAE J1349 162HP
Engine RPM - Operation 1650r/min
Engine RPM - Travel 1800r/min

Weights

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Operating Weight - Europe/Australia & New Zealand 48300lb
Operating Weight - North America 49600lb
Note (1) Long undercarriage, Reach boom, R2.9 (9'6") stick, HD 1.19 m3 (1.56 yd3) bucket and 790 mm (31 in) triple grouser shoes, 4.2 mt (9,300 lb) counterweight
Note (2) Long undercarriage, Reach boom, R2.9 (9'6") stick, HD 1.19 m3 (1.56 yd3) bucket and 600 mm (24 in) triple grouser shoes, 4.2 mt (9,300 lb) counterweight

Drive

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Maximum Drawbar Pull 46311lbf
Maximum Travel Speed 3.5mile/h
Maximum Gradeability 35°--70%

Service Refill Capacities

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Fuel Tank Capacity 86.6gal (US)
Cooling System 6.6gal (US)
Engine Oil 4gal (US)
Final Drive - Each 1.3gal (US)
Hydraulic System - Including Tank 61.8gal (US)
Hydraulic Tank 30.4gal (US)
DEF Tank 10.3gal (US)
Swing Drive - Each 1.3gal (US)

Hydraulic System

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Maximum Pressure - Equipment - Normal 5075psi
Main System - Maximum Flow - Total 113gal/min
Maximum Pressure - Swing 3886psi
Maximum Pressure - Travel 4974psi

Swing

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Maximum Swing Torque 54440ft·lbf
Swing Speed 11.25r/min

Dimensions - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick

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Counterweight Clearance 3.4ft
Note (1) With GD 0.8m3 bucket and 790 mm (35") shoes.
Note (2) Reach boom as same dimensions as HD reach boom
Shipping Height 9.7ft
Shipping Length 31.3ft
Track Gauge 7.8ft
Track Length 12ft
Transport Width - 600 mm (24 in) Shoes 9.8ft
Transport Width - 790 mm (31 in) Shoes 10.4ft

Working Ranges - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick

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Stick Digging Force (SAE) 12ft
Bucket Digging Force (ISO) 10.1ft
Maximum Cutting Height 30.7ft
Maximum Depth Cut for 2440 mm (8'0") Level Bottom 21.5ft
Maximum Digging Depth 22ft
Maximum Loading Height 21.3ft
Maximum Reach - Ground Level 32.3ft
Maximum Vertical Wall Digging Depth 17ft
Minimum Loading Height 7.1ft

Dimensions - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick

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Ground Clearance 1.5ft
Tail Swing Radius 9.3ft