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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
49600 lb
Gross Power - ISO 14396/SAE J1995
164 HP
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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
Gross Power - ISO 14396/SAE J1995 164HP
Net Power - SAE J1349/ISO 9249 162HP
Engine RPM - Operation 1650r/min
Engine RPM - Travel 1800r/min
Bore 4in
Stroke 5in
Displacement 269in³

Weights

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Operating Weight 49600lb
Operating Weight - North America 49600lb
Note (1) 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
Operating Weight - Europe/Australia & New Zealand 48300lb
Note (2) 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

Hydraulic System

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Main System - Maximum Flow - Implement 113gal/min
Maximum Pressure - Equipment - Normal 5075psi
Maximum Pressure - Equipment - Heavy Lift Mode 5510psi
Maximum Pressure - Travel 4974psi
Maximum Pressure - Swing 3886psi

Service Refill Capacities

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

Dimensions

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Boom Reach 5.7 m (18'8")
Stick Reach 2.9 m (9'6")
Bucket 1.19 m3 (1.56 yd3)
Shipping Height - Top of Cab 9.8ft
Handrail Height 9.8ft
Shipping Length 31ft
Tail Swing Radius 9.3ft
Track Length to Center of Rollers 12ft
Ground Clearance 1.6ft
Track Gauge 7.9ft
Transport Width - 600 mm (24”) Shoes 9.8ft
Transport Width - 790 mm (31 in) Shoes 10.4ft
Counterweight Clearance 3.4ft

Working Ranges & Forces

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Boom Reach 5.7 m (18'8")
Stick Reach 2.9 m (9'6")
Bucket 1.19 m3 (1.56 yd3)
Maximum Digging Depth 22.1ft
Maximum Reach at Ground Level 32.4ft
Maximum Cutting Height 30.8ft
Maximum Loading Height 21.4ft
Minimum Loading Height 7.1ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.5ft
Maximum Vertical Wall Digging Depth 17ft
Bucket Digging Force - ISO 38811
Stick Digging Force - ISO 23911
Bucket Digging Force - SAE 30104
Stick Digging Force - SAE 23212