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320 GC Hydraulic Excavator

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Overview

The Cat® 320 GC excavator balances productivity with easy-to-use technology features, a new comfortable cab, reduced fuel consumption by up to 20%, and longer maintenance intervals reducing maintenance costs by up to 25% to bring you a durable, low-cost-per-hour excavator for light- to medium-duty applications.

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LATEST FEATURES

Optional integrated vehicle health management system alerts the operator with service guidance and parts needed to enhance uptime.
Enhance visibility to make service work easier and safer with optional inspection lighting.
Make the jobsite safer with an optional swing alarm.<...

PERFORMANCE WITH LESS FUEL

The excavator uses up to 20 percent less fuel than the 320F in similar applications.
Match the excavator to the job with power modes; let Smart mode automatically match engine and hydraulic power to digging conditions.
The advanced hydraulic system provides the optimum balance of power and efficiency while giving you the control you need for precise digging requirements.

LOWER MAINTENANCE COSTS

Expect up to 25 percent less maintenance cost than the 320F (savings calculated over 12,000 machine hours).
Do all daily maintenance at ground level.
Check engine oil level quickly and safely with the new ground level engine oil dipstick; fill and check engine oil on top of the machine with a conveniently located second dipstick.

RELIABILITY YOU CAN COUNT ON

Work up to 3000 m (9,840 ft) above sea level without de-rating.
Standard high-ambient temperature capability is 52º C (125º F) with cold start capability at –32º C (–25º F).
Auto warm up speeds up hydraulic oil warming in cold temperatures and helps prolong the life of components.

SAFELY HOME EVERY DAY

Access 100 percent of daily maintenance points from ground level – no need for you to climb on top of the excavator.
Keep your excavator secure with Operator ID. Use your PIN code on the monitor to enable the pushbutton starting feature.
The standard ROPS cab meets ISO 12117-2:2008 requirements.

SIMPLE TO OPERATE

Start the engine with a push button; use a Bluetooth key fob, or the unique Operator ID function.
Program each joystick button, including response and pattern, using Operator ID; it will also remember climate control fan and radio settings.
Navigate quickly on the standard high-resolution 203 mm (8 in) touchscreen monitor or with the aid of the jog dial control.

DESIGNED FOR OPERATORS

The Comfort cab has a wide seat that adjusts for operators of all sizes.
Control the excavator comfortably with easy-to-reach controls all located in front of you.
Standard automatic climate control keeps you at the righttemperature all shift long.
Advanced viscous mounts reduce cab vibration by up to 50 percent over previous excavator models.

LATEST FEATURES

Optional integrated vehicle health management system alerts the operator with service guidance and parts needed to enhance uptime.
Enhance visibility to make service work easier and safer with optional inspection lighting.
Make the jobsite safer with an optional swing alarm.

Not all features are available in all regions. Please check with your local Cat dealer for specific offering availability in your area.
Build Number: 07F

PERFORMANCE WITH LESS FUEL

The excavator uses up to 20 percent less fuel than the 320F in similar applications.
Match the excavator to the job with power modes; let Smart mode automatically match engine and hydraulic power to digging conditions.
The advanced hydraulic system provides the optimum balance of power and efficiency while giving you the control you need for precise digging requirements.
Valve priority puts hydraulic pressure and flow where you command it to go for fast lightto medium load cycle times.
The engine meets U.S. EPA Tier 4 Final and EU Stage IV emission standards with an aftertreatment system that requires no operator input or downtime.
Add auxiliary hydraulics to do more work with a range of Cat attachments.
Product Link™ comes standard so you can remotely monitor machine health, location, hours, and fuel consumption on demand through the VisionLink® online interface.
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 -32º C (-25º F).

LOWER MAINTENANCE COSTS

Expect up to 25 percent less maintenance cost than the 320F (savings calculated over 12,000 machine hours).
Do all daily maintenance at ground level.
Check engine oil level quickly and safely with the new ground level engine oil dipstick; fill and check engine oil on top of the machine with a conveniently located second dipstick.
Track your excavator’s filter life and maintenance intervals via the in-cab monitor.
No required maintenance on the Cat Clean Emissions Module.
Using Cat genuine oil and filters and doing your typical S∙O∙S monitoring will double the current service interval to 1,000 hours, giving you greater uptime to do more work.
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 3,000 hour replacement interval – 50 percent longer than previous filter designs.
The new high-efficiency electric cooling fans only run when needed and reverse to keep cores free from debris.
Boost productivity with proactive service reminders. The new integrated vehicle health management system system alerts the operator with step-by-step service guidance along with parts needed so you don't experience any unnecessary downtime.
S·O·S ports simplify maintenance and allow for quick, easy extraction of samples for fluid analysis.

RELIABILITY YOU CAN COUNT ON

Work up to 3000 m (9,840 ft) above sea level without de-rating.
Standard high-ambient temperature capability is 52º C (125º F) with cold start capability at –32º C (–25º F).
Auto warm up speeds up hydraulic oil warming in cold temperatures and helps prolong the life of components.
Three levels of fuel filtration protect the engine from dirty diesel fuel.
Grease sealed between track pins and bushings reduces travel noise and prevents debris from entering to increase undercarriage life.
The center track guiding guard helps keep the excavator track aligned when traveling and working on slopes.
The sloped track frame prevents mud and debris accumulation, helping reduce risk of track damage.

SAFELY HOME EVERY DAY

Access 100 percent of daily maintenance points from ground level – no need for you to climb on top of the excavator.
Keep your excavator secure with Operator ID. Use your PIN code on the monitor to enable the pushbutton starting feature.
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 posts and larger windows.
A rearview camera is standard, and a right-side-view camera is optional.
The new right-hand service platform design provides easy, safe, and quick access to upper service platform; the service platformsteps use anti-skid punch plate to prevent slipping.
The handrails comply with ISO 2867:2011 requirements.
The lower frame meets ISO 15818:2017 lifting and tie-down requirements.
Enhance jobsite safety. Add a swing alarm to alert people when you're rotating from trench to stockpile and back again.
Make service work easier and safer with optional inspection lighting. With the flip of a switch, lights will illuminate the engine, pump, battery, and radiator compartments to enhance visibility.

SIMPLE TO OPERATE

Start the engine with a push button; use a Bluetooth key fob, or the unique Operator ID function.
Program each joystick button, including response and pattern, using Operator ID; it will also remember climate control fan and radio settings.
Navigate quickly on the standard high-resolution 203 mm (8 in) touchscreen monitor or with the aid of the jog dial control.
Protect your hammer tool from overheating and rapid wear. Auto hammer stop warns you after 15 seconds of continuous firing and then automatically shuts it off after 30 seconds - all to extend the tool’s service life.
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.
The Cat PL161 Attachment Locator is a Bluetooth device that makes finding your attachments and other gear quick and easy. The Cat App on your phone will locate the device automatically.

DESIGNED FOR OPERATORS

The Comfort cab has a wide seat that adjusts for operators of all sizes.
Control the excavator comfortably with easy-to-reach controls all located in front of you.
Standard automatic climate control keeps you at the righttemperature all shift long.
Advanced viscous mounts reduce cab vibration by up to 50 percent over previous excavator models.
Stow your gear with plenty of in-cab storage beneath and behind the seat, overhead, and in the consoles. A cup holder, documentholder, bottle holder, and coat hook are also provided.
Use the standard radio’s USB ports and Bluetooth® technology to connect to personal devices.

Swing Mechanism

Maximum Swing Torque: 54900ft·lbf
Swing Speed: 11.6r/min

Hydraulic System

Maximum Pressure - Swing: 3625psi
Maximum Pressure - Travel: 4974psi
Maximum Pressure - Equipment: 5075psi
Main System - Maximum Flow: 442 l/min (116 gal/min)

Engine

Displacement: 269in³
Stroke: 5in
Bore: 4in
Engine Model: Cat C4.4e TA
Engine Power - ISO 14396: 148HP
Engine Power - ISO 9249: 146HP
Net Power - ISO 9249: 146HP

Working Ranges & Forces

Stick Digging Force - ISO: 22281lbf
Bucket Digging Force - ISO: 28935lbf
Maximum Vertical Wall Digging Depth: 18.7ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom: 21.6ft
Minimum Loading Height: 7.1ft
Maximum Loading Height: 21.3ft
Maximum Cutting Height: 31ft
Maximum Reach at Ground Level: 32.3ft
Bucket: 1.00 m³ (1.31 yd³)
Stick: R2.9B1 (9'6")
Boom: Reach 5.7 m (18.8)
Maximum Digging Depth: 22ft

Dimensions

Transport Width: 10.4ft
Track Gauge: 7.9ft
Length to Center of Rollers: 12ft
Track Length: 14.7ft
Ground Clearance: 1.5ft
Counterweight Clearance: 3.4ft
Tail Swing Radius: 9.3ft
Shipping Length: 31.3ft
Handrail Height: 9.8ft
Shipping Height - Top of Cab: 9.7ft
Bucket: 1.00 m³ (1.31 yd³)
Stick: R2.9B1 (9'6")
Boom: Reach 5.7 m (18'8")

Service Refill Capacities

DEF Tank: 10.3gal (US)
Hydraulic Tank: 30.4gal (US)
Hydraulic System - Including Tank: 61.8gal (US)
Final Drive - Each: 1.1gal (US)
Swing Drive - Each: 3.2gal (US)
Engine Oil: 4gal (US)
Cooling System: 6.6gal (US)
Fuel Tank Capacity: 86.6gal (US)

Weights

Operating Weight: 48300lb

Standard/Optional Features

Standard Equipment:

Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
Boom And Sticks
- 5.7 m (18'8") Reach boom
Cab
- Rollover protective structure (ROPS)
- Mechanical-suspension seat
- High-resolution 203 mm (8 inch) LCD touchscreen monitor
Cat Technology
- Cat Product Link^™
- Remote Flash
- Remote Troubleshoot
- Auto hammer stop
Electrical
- Two 1,000 CCA maintenance-free batteries
- Programmable time-delay LED working lights
- LED chassis light, left-hand/right-hand boom lights, cab lights
Engine
- Cat C4.4 single turbo engine
- Two selectable power modes
- Auto engine speed control
- Auto engine idle shutdown
- 52° C (125° F) high-ambient cooling capacity
- -32° C (-25° F) cold start capability
- Double element air filter with integrated pre-cleaner
- Reversible electric cooling fans
Hydraulic System
- Boom and stick regeneration circuits
- Boom and stick lowering check valves
- Auto warm up
- Auto two-speed travel
- Boom and stick drift reduction valve
- Slider joysticks
- Tool control (two pumps, one/two way high-pressure flow)
Safety And Security
- Rearview and right-hand-sideview cameras
- Ground-level engine shutoff switch
- Right-hand handrail and hand hold
- Signaling/warning horn
Service And Maintenance
- Sampling ports for Scheduled Oil Sampling (S·O·S)
- Ground-level and platform-level engine oil dipsticks
Undercarriage And Structures
- Tie-down points on base frame
- 3700 kg (8,160 lb) counterweight (Turkey only)
- 4200 kg (9,300 lb) counterweight

Optional Equipment:

Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
Boom And Sticks
- 2.9 m (9'6") Reach stick
- 2.5 m (8'2") Reach stick
- 2.9 m (9'6") Semi-HD Reach stick
- 2.5 m (8'2") Semi-HD Reach stick
Safety And Security
- Swing alarm
- Inspection lighting
Service And Maintenance
- Integrated vehicle health management system
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

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320 GC Excavators

Displacement: 269 in³
Stroke: 5 in
Bore: 4 in

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Excavators

Displacement: 269 in³
Stroke: 5 in
Bore: 4 in

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320 GC Hydraulic Excavator

Overview