320 Hydraulic Excavator

Specifications

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Metric

Overview

The 320 raises the bar for efficiency and fuel economy in this size class. With the industry’s highest level of standard factory technology, a new cab focused on operator comfort, plus lower fuel and maintenance costs, the 320 will set a new pace for productivity and profit in your operation.

Engine

Engine Model Cat C4.4 ACERT Cat C4.4 ACERT
Net Flywheel Power 162.0 HP 121.0 kW
Gross Power - ISO 14396/SAE J1995 164.0 HP 122.0 kW
Net Power - SAE J1349/ISO 9249 162.0 HP 121.0 kW
Engine RPM - Operation 1650.0 r/min 1650.0 r/min
Engine RPM - Travel 1800.0 r/min 1800.0 r/min
Bore 4.0 in 105.0 mm
Stroke 5.0 in 127.0 mm
Displacement 269.0 in³ 4.4 l

Hydraulic System

Main System - Maximum Flow - Implement 113.0 gal/min 429.0 l/min
Maximum Pressure - Equipment - Normal 5075.0 psi 35000.0 kPa
Maximum Pressure - Equipment - Heavy Lift Mode 5510.0 psi 38000.0 kPa
Maximum Pressure - Travel 4974.0 psi 34300.0 kPa
Maximum Pressure - Swing 3886.0 psi 26800.0 kPa

Weights

Operating Weight 49600.0 lb 22500.0 kg
Operating Weight - North America 49600.0 lb 22500.0 kg
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 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 48300.0 lb 21900.0 kg
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 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

Service Refill Capacities

Fuel Tank Capacity 86.6 gal (US) 345.0 l
Cooling System 6.6 gal (US) 25.0 l
Engine Oil 4.0 gal (US) 15.0 l
Swing Drive - Each 1.3 gal (US) 5.0 l
Final Drive - Each 1.3 gal (US) 5.0 l
Hydraulic System - Including Tank 61.8 gal (US) 234.0 l
Hydraulic Tank 30.4 gal (US) 115.0 l
DEF Tank 10.3 gal (US) 39.0 l

Dimensions

Boom Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket 1.19 m3 (1.56 yd3) 1.19 m3 (1.56 yd3)
Shipping Height - Top of Cab 9.8 ft 2960.0 mm
Handrail Height 9.8 ft 2950.0 mm
Shipping Length 31.0 ft 9530.0 mm
Tail Swing Radius 9.3 ft 2830.0 mm
Track Length to Center of Rollers 12.0 ft 3650.0 mm
Ground Clearance 1.6 ft 470.0 mm
Track Gauge 7.9 ft 2380.0 mm
Transport Width - 600 mm (24”) Shoes 9.8 ft 2980.0 mm
Transport Width - 790 mm (31 in) Shoes 10.4 ft 3170.0 mm
Counterweight Clearance 3.4 ft 1048.0 mm

Working Ranges & Forces

Boom Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket 1.19 m3 (1.56 yd3) 1.19 m3 (1.56 yd3)
Maximum Digging Depth 22.1 ft 6720.0 mm
Maximum Reach at Ground Level 32.4 ft 9860.0 mm
Maximum Cutting Height 30.8 ft 9370.0 mm
Maximum Loading Height 21.4 ft 6490.0 mm
Minimum Loading Height 7.1 ft 2170.0 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.5 ft 6550.0 mm
Maximum Vertical Wall Digging Depth 17.0 ft 5190.0 mm
Bucket Digging Force - ISO 38811.0 lbf 150.0 kN
Stick Digging Force - ISO 23911.0 lbf 106.0 kN
Bucket Digging Force - SAE 30104.0 lbf 134.0 kN
Stick Digging Force - SAE 23212.0 lbf 103.0 kN

Benefits & Features

PERFORMANCE WITH LESS FUEL

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Use up to 25% less fuel than the 320F excavator.
Increase operator efficiency by up to 45% with a suite of Cat technologies that lower operator fatigue and your operating costs, including fuel consumption and daily maintenance.
Match the excavator to the job using power modes including new Smart mode that automatically matches engine and hydraulic power to your digging conditions.
The advanced hydraulic system provides the optimum balance of power and efficiency while giving you the control you need for your precise digging requirements.
The electronically controlled, twin-turbocharged engine meets U.S. EPA Tier 4 Final and EU Stage IV emission standards using a transparent aftertreatment system that requires no operator input or downtime.
Auxiliary hydraulic options give you the versatility to use a wide range of Cat attachments.
Don't let the temperature stop you from working. The excavator has a standard high ambient temperature capability of 52º C (125º F) and cold start capability of -18º C (0º F). An optional -32º C (-25º F) cold start package is available.

EFFICIENCY THROUGH TECHNOLOGY

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Automatically stop excavator swing at operator-defined set points in truck loading and trenching applications with Swing Assist, which will help you use less effort and consume less fuel.
Keep your tracks on the ground in lifting and hard digging with Boom Assist.
Set your desired bucket angle and let Bucket Assist automatically maintain the angle in sloping, leveling, fine grading, and trenching applications for easy, accurate, and fast jobs.
Stay on grade -simply and effortlessly -with single-lever digging.
Standard Cat PAYLOAD on-board weighing system -

Achieve precise load targets and increase loading efficiency with on-the-go weighing and real-time estimates of your payload without swinging.
Track your daily productivity such as truck target weights and load/cycle counts.
Calibration can be performed in a matter of minutes.
Combine Payload with VisionLink® and remotely manage your production targets.

Upgrade to optional Cat GRADE with Advanced 2D -

Create and edit grade designs with ease on a second high-resolution 10 in (254 mm) touchscreen monitor.
Upgrade to optional Cat GRADE with 3D -
Create and edit designs with ease and see the front linkage's full range of motion on a second high-resolution 10 in (254 mm) touchscreen monitor.
Know the excavator's exact position relative to GPS and GLONASS systems.
The machine automatically compensates for excavator pitch and roll caused by sloping ground conditions.

Standard Product Link™ provides location, machine hours, fuel usage, productivity, idle time, diagnostic codes, and other machine data on demand through VisionLink® online interface, helping you improve jobsite efficiency with lower operating costs.

DESIGNED FOR OPERATORS

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Cab options let you choose the level of comfort you need.
Enjoy wide spacing between consoles for a more spacious comfortable environment.
Sit in new, wide seats that adjust for operators of all sizes (heated and heated/cooled options are available).
Get in and out of the cab easier using the tip-up left console (in Deluxe and Premium cabs only).
Control the excavator comfortably with easy-to-reach controls located in front of you. Standard automatic climate control keeps you at the right temperature throughout your shift.
Improved viscous mounts reduce cab vibration by up to 50% over our previous excavator models.
Stow your gear with plenty of in-cab storage behind the seat, overhead, and in the consoles. A cup holder, document holder, bottle holder, and coat hook are included.
The standard radio has USB ports and Bluetooth® technology enabled to connect your device and make hands-free calls.

RELIABILITY YOU CAN COUNT ON

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Protect hydraulic components in cold weather. The auto warm-up feature speeds hydraulic oil warming in cooler temperatures.
The fuel system is protected from contamination of fuel by three levels of filtration.
Bottom guarding protects engine and hydraulic components from damage while swinging and traveling.
The hydraulic tank with a new oval shape designed to improve stress resistance.
The strong X-structure lower frame carries loads from the excavator's upper structure to the track.
Travel motor hydraulic lines are routed inside of the frame to protect them from damage.
The sloped track frame design prevents mud and debris from accumulating and damaging tracks.
The grease lubricated tracks have grease sealed between the pin and bushing to prevent debris from entering and reducing life.
The track rollers are rebuild-able and sealed to prevent dirt and debris causing wear of internal components.
A bolt-on track guiding guard helps maintain track alignment while traveling or working on slopes.

SIMPLE TO OPERATE

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You can navigate quickly on the standard, high-resolution 8 in (203 mm) touchscreen monitor or with the optional 10 in (254 m) touchscreen monitor or with the aid of the jog dial control.
A second 10 in (254 mm) monitor is available for the advanced grade control.
Easy keyless push-to-start engine using your Bluetooth key fob, or your smartphone to enable the pushbutton start feature.
Match the excavator's operation to your digging style by adjusting the joystick response and programming the function of each joystick button.
Not sure how a function works or how to maintain the excavator? Always have the operator's manual at your fingertips in the touchscreen monitor.
Easily use the monitor to change the joystick pattern from the cab. You can choose two-way or four-way patterns options. Store your pattern preference and let the machine automatically set the pattern when you log in with your unique Operator ID.

SAVE ON SERVICE AND MAINTENANCE

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Extended maintenance intervals reduce maintenance costs by 20% over the Cat 320F excavator. (20% savings calculated over 12000 machine hours).
Reversing electric cooling fans make it easy to clean radiator, oil coolers, and condensers.
An all-new engine air cleaner with integrated pre-cleaner has twice the life of radial seal air cleaners.
The new hydraulic oil filter provides improved filtration performance, anti-drain valves to keep oil clean when the filter is replaced, and longer life with a 3000 hour replacement interval – 50% longer than previous filter designs.
Track your excavator's filter life and maintenance intervals can via the in-cab monitor.
Check engine oil level quickly and safely with the new engine oil dip stick located on ground level.
S·O·S ports with extended sampling intervals are on ground level, simplifying maintenance and allows for quick easy extraction of samples for fluid analysis.

SAFELY HOME EVERY DAY

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Work safely under structures or near traffic with the standard 2D E-fence feature integrated right out of the factory, which prevents any part of the excavator from moving outside operator-defined set points, avoiding hazards and jobsite accidents.
Access 100% of daily maintenance points from ground level – no need for you to climb on top of excavator.
The standard ROPS cab meets ISO 12117-2 2008 requirements.
Enjoy great visibility into the trench, in each swing direction, and behind you with the help of smaller cab pillars, larger windows, and a flat engine hood design.
The standard hydraulic lockout lever isolates all hydraulic and travel functions in the lowered position.
Ground level shut-off switch stops all fuel to the engine when activated and shuts down the machine.
A rearview camera is standard and upgradable to an optional 360° visibility camera for visibility all around the excavator, allowing the operator to easily visualize objects and personnel around the excavator in a single view.
New right-hand service platform design provides easy, safe, and quick access to upper service platform; the service platform steps use anti-skid punch plate to prevent slipping. The handrails comply with ISO 2867 requirements.

Equipment

320 Standard Equipment

CAB

ROPS, sound suppression
Mechanically adjustable seat
High-resolution 203 mm (8 in) LCD touchscreen monitor

CAT CONNECT TECHNOLOGY

Cat Product Link
Cat GRADE with 2D
Cat GRADE with Assist
Cat PAYLOAD

ENGINE

HYDRAULIC SYSTEM

Boom and stick regeneration circuits
Auto hydraulic warm up
Auto two-speed travel
Boom and stick drift reduction valve

BOOM AND STICKS

5.7 m (18'8") reach boom, 2.9 m (9'6") stick

UNDERCARRIAGE AND STRUCTURES

Tie-down points on base frame

ELECTRICAL SYSTEM

Two 1,000 CCA maintenance-free batteries
Programmable time-delay LED working lights
LED chassis light, left-hand/right-hand boom lights, cab lights

SERVICE AND MAINTENANCE

Sampling ports for Scheduled Oil Sampling (S·O·S)
Ground-level and platform-level engine oil dipsticks
Remote flash

SAFETY AND SECURITY

320 Optional Equipment

CAB

Air-adjustable seat with heat (Deluxe only)
High-resolution 254 mm (10 in) LCD touchscreen monitor

CAT CONNECT TECHNOLOGY

Cat GRADE with Advanced 2D (not available on SLR)
Cat GRADE with 3D (not available on SLR)

ENGINE

52°C (125°F) high-ambient cooling capacity

HYDRAULIC SYSTEM

Boom and stick lowering check valves
Hammer return filter circuit
Combined flow/high-pressure auxiliary circuit
Medium-pressure circuit
Quick coupler circuit for Cat Pin Grabber

BOOM AND STICKS

8.85 m (29'0") SLR boom, 6.28 m (20'7") SLR stick

UNDERCARRIAGE AND STRUCTURES

600 mm (24") triple grouser shoes
700 mm (28") triple grouser shoes
790 mm (31") triple grouser shoes
900 mm (35") triple grouser shoes
4200 kg (9,300 lb) counterweight for HD boom and stick

SAFETY AND SECURITY

Right-hand-side camera
360° visibility

320

320

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Specifications

Overview

Engine

Hydraulic System

Weights

Service Refill Capacities

Dimensions

Working Ranges & Forces