320 GC

HYDRAULIC EXCAVATOR

Engine Power 90 kW (121 hp)

Operating Weight – 790 mm (31") Shoes 22 300 kg (49,200 lb)
Operating Weight – 700 mm (28") Shoes 21 900 kg (48,300 lb)
Cat® C4.4 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.
 NEXT GENERATION EXCAVATORS
The new line of Cat® Excavators was designed with a new approach to equipment families that gives you:
+ MORE MODEL OPTIONS
+ MORE STANDARD TECHNOLOGIES
+ MORE PRICE POINTS
Ready to help you make your business stronger, Cat Excavators give you new ways to get the most work
done at the lowest cost—so you put more money in your pocket.

THE NEW THE CAT 320 GC offers you the ideal

balance of dependable performance,

CAT 320 GC
® operator productivity features and
reduced costs. The Cat 320 GC is a
smart choice for operations where
high reliability and low cost-per-hour
performance are priorities.
RELIABLE. COMFORTABLE. PRODUCTIVE.

2 320 GC HYDRAULIC EXCAVATOR

 FUEL EFFICIENCY
REDUCE FUEL CONSUMPTION SAVINGS ADD UP
UP TO 20% 1

A precise combination of lower engine speed and SCENARIO:

R
a large hydraulic pump delivers top performance R YEA Excavators working in a
while burning less fuel. PE light-duty
light duty application,
RN
1,000 hours/year
BU
L
FUE

THE ADVANTAGE
WORK SMART. SAVE MONEY.
The Cat 320 GC is equipped with Power Modes that help
400 GAL | 1514 L
manage fuel consumption. Choose between two power SAVED!
modes to match your specific applications—Power Mode
and the new Smart Mode.
W 320 GC
NEW
1,600 GAL | 6056 L

Power Mode delivers maximum productivity in high-

320F
320F
demand applications like truck loading and trenching. 2,000 GAL | 7570 L

Smart Mode automatically matches engine speed

CALCULATION:
and hydraulic power to demand for the highest fuel
320F (ECO Mode): NEW 320 GC (Smart Mode):
efficiency in any application.
2.0 GAL/HR x 1,000 HR/YR = 2,000 GAL/YR (2.0 GAL/HR x 80%) x 1,000 HR/YR = 1,600 GAL/YR
7.57 L/HR x 1000 HR/YR = 7570 L/YR (7.57 L/HR x 80%) x 1000 HR/YR = 6056 L/YR

1
Compared to the 320F.

320 GC HYDRAULIC EXCAVATOR 3

 LOWER MAINTENANCE COSTS
UP TO 20%
With extended and more synchronized maintenance intervals, you STOP LESS. WORK MORE.
get more done at a lower cost compared to the 320F. Consolidated
filter locations make service faster. Hydraulic, air and fuel tank
WITH
H THE NEW 320 GC, YOU
YOU’LL
U’LL USE
filters have increased capacity and longer life.
66 FEWER FILTERS*
KEY MAINTENANCE COST REDUCTIONS INCLUDE:
EXTENDED INTERVALS INCREASE UPTIME
+ Consolidated filter locations to reduce service time.

+ Multiple oil filters with extended maintenance intervals,

HYDRAULIC
plus a new higher dirt capacity hydraulic filter. RETURN FILTER
1,000 HR DIFFERENCE
TYPE OF SERVICE

+ The new Cat air filter design results in a 100% increase in

FUEL FILTER 500 HR DIFFERENCE
service life compared to our previous filter.

+ Fuel filters are synchronized to be changed at 1,000 hours— AIR FILTER

500 HR DIFFERENCE
double the interval from the previous filters. CAPACITY
0

500

1,000

1,500

2,000

2,500

3,000

3,500

INTERVAL (HOURS)

NEW CAT 320 GC CAT 320F

*Based on 12,000 operating hours.

4 320 GC HYDRAULIC EXCAVATOR

REAL-TIME INFORMATION FROM CAT LINK
TAKES THE GUESSWORK OUT OF MANAGING YOUR EQUIPMENT
Cat Link hardware (Product Link™) and software (VisionLink®) work together to put equipment information at your fingertips.
Get real-time access to information on every machine in your fleet on any jobsite—no matter the size of the operation or the
brands of equipment you run.

PRODUCT LINK™
Track asset location, hours, fuel usage, diagnostic codes,
idle time and more to improve your productivity and lower your
operating costs. Cellular connectivity comes standard. Satellite
connectivity is available.

VISIONLINK®
Using the online VisionLink interface, you can see a common,
collective view of your information, making it easier to manage a
mixed fleet and make informed decisions about your equipment.

MY.CAT.COM
You can also access Caterpillar and Cat dealer information at
my.cat.com. My.cat.com gives you access to PM schedules, parts
and service records, warranty coverage and more—with a single
login. Plus, you can link directly to your VisionLink account.

320 GC HYDRAULIC EXCAVATOR 5

 NEW CAB TAKES Sites where excavators typically
work are rugged and challenging.

THE HARD
That’s why it’s important that the
new 320 GC cab protects the
operator as much as possible

OUT OF WORK
from fatigue, stresses, sounds
and temperatures of the job.

ISO-CERTIFIED ALL-AROUND EASY ACCESS,

ROPS CAB VISIBILITY CONNECTIVITY
The ISO-certified ROPS cab is sound- Large windows at the front, sides and rear AND STORAGE
suppressed and sealed. The windows give excellent visibility in all directions
Convenience features include Bluetooth®
and lower front profile of the machine from the operator seat. The ROPS
integrated radio, USB ports for charging
give outstanding visibility to the work structure uses narrow front cab pillars
and phone connectivity, 12V DC outlets
area without the strain of constantly to allow a wider field of view to the front.
and AUX port, storage in rear, overhead
leaning forward. Plus with the standard rearview and
and console compartments, and cup
right-side-view cameras, operators will
and bottle holders.
always be aware of what’s surrounding
the excavator.
6 320 GC HYDRAULIC EXCAVATOR
 TOUCHSCREEN MONITOR

Most machine settings can be controlled

through the high-resolution 8-inch/203 mm
touchscreen monitor. It offers 42 languages
and is easy to reach from the seat – no
twisting or turning to reach switches. A handy
jog dial control and shortcut keys are also
ergonomically positioned on the right console.

NEW SEAT AND CONSOLE

Efficiency of movement is critical to keeping

operators productive and alert all shift
long. The 320 GC seat is designed for easy
operation and comfort. The new standard
seat is wide and adjustable, so operators of
any size can work comfortably.

CUSTOMIZABLE JOYSTICKS

Joystick function can be customized through

the monitor. Joystick pattern as well as
response can be set to match operator
preference. All preferences are saved
with the operator ID and restored at log in.

KEYLESS PUSH START

The 320 uses a keyless push-button engine

start. This adds security for the machine by
using Operator ID codes to limit and track
machine access. Codes can be entered
manually, via an optional Bluetooth key
fob or smartphone app.

320 GC HYDRAULIC EXCAVATOR 7

 STAY SAFE EVERY DAY
SAFETY FEATURES
LOOK OUT FOR YOUR PEOPLE FACT:
FALLS
#1 cause of construction
AND YOUR EQUIPMENT accidents: FALLS*

Daily maintenance checks can be performed with 100% of

the points accessible from ground level, making maintenance 49% OF FALLS RESULT
IN SERIOUS INJURY
faster, easier and safer. Checkpoints include the engine oil
dipstick, fuel water separator, fuel tank water and sediment
drains, and cooling system coolant level check. 30% OF FALLS RESULT
IN DEATH

KEEP YOUR EXCAVATOR SECURE NEW 320

Use your PIN code on the monitor, the optional Bluetooth

key fob or your smartphone to enable the push-button
100 GROUND-LEVEL
% MAINTENANCE
HELPS PREVENT FALLS
starting feature.
*https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4962179/

8 320 GC HYDRAULIC EXCAVATOR

INCREASE YOUR PRODUCTIVITY AND PROFIT
WITH CAT ATTACHMENTS
You can easily expand the performance of your machine by utilizing any of the variety of Cat Attachments.
Each Cat Attachment is designed to fit the weight and horsepower of Cat Excavators for improved
performance, safety and stability.

BUCKETS GRAPPLES HYDRAULIC HAMMERS MULTI-PROCESSORS

VIBRATORY PLATE
QUICK COUPLERS RIPPERS COMPACTORS

320 GC HYDRAULIC EXCAVATOR 9

TECHNICAL SPECIFICATIONS

See cat.com for complete specifications.

ENGINE DIMENSIONS
Engine Model Cat C4.4 Boom Reach 5.7 m (18'8")
Engine Power – ISO 9249 90 kW 121 hp Stick Reach 2.9 m (9'6")
Engine Power – ISO 14396 91 kW 122 hp Bucket 1.0 m3 (1.31 yd3)
Bore 105 mm 4 in Shipping Height (top of cab) 2960 mm 9'9"
Stroke 127 mm 5 in Handrail Height 2950 mm 9'8"
Displacement 4.4 L 269 in3 Shipping Length 9530 mm 31'3"
Tail Swing Radius 2830 mm 9'3"
HYDRAULIC SYSTEM Track Length 4450 mm 14'7"
Main System – Maximum 442 L/min 116 gal/min Length to Center of Rollers 3650 mm 12'0"
Flow (Implement) Ground Clearance 470 mm 1'7"
Maximum Pressure – Equipment 35 000 kPa 5,075 psi Track Gauge 2380 mm 7'9"
Maximum Pressure – Travel 34 300 kPa 4,974 psi Transport Width – 790 mm (31") Shoes 3170 mm 10'5"
Maximum Pressure – Swing 26 800 kPa 3,886 psi Transport Width – 700 mm (28") Shoes 3080 mm 10'1"
Counterweight Clearance 1050 mm 3'5"
MACHINE WEIGHT
Operating Weight – 790 mm (31") Shoes 22 300 kg 49,200 lb WORKING RANGES AND FORCES
5.7 m (18'8") reach boom, 2.9 m (9'6") reach stick, 1.0 m (1.31 yd3) HD
3 Boom Reach 5.7 m (18'8")
bucket, 790 mm (31") triple grouser shoes. Stick Reach 2.9 m (9'6")
Operating Weight – 700 mm (28") Shoes 21 900 kg 48,300 lb Bucket 1.0 m3 (1.31 yd3)
5.7 m (18'8") reach boom, 2.9 m (9'6") reach stick, 1.0 m (1.31 yd3) GD
3 Maximum Digging Depth 6720 mm 22'1"
bucket, 700 mm (28") triple grouser shoes. Maximum Reach at Ground Level 9860 mm 32'4"
Maximum Cutting Height 9450 mm 31'0"
Maximum Loading Height 6490 mm 21'4"
SERVICE REFILL CAPACITIES
Minimum Loading Height 2170 mm 7'1"
Fuel Tank 345 L 86.6 gal
Maximum Depth Cut for 2440 mm (8'0") 6550 mm 21'6"
Cooling System 25 L 6.6 gal Level Bottom
Engine Oil 15 L 4.0 gal
Maximum Vertical Wall Digging Depth 5690 mm 18'8"
Swing Drive (each) 5L 1.3 gal
Bucket Digging Force (ISO) 129 kN 28,935 lbf
Final Drive (each) 5L 1.3 gal
Stick Digging Force (ISO) 99 kN 22,281 lbf
Hydraulic System (including tank) 234 L 61.8 gal
Hydraulic Tank 115 L 30.4 gal
DEF Tank 39 L 10.3 gal

AIR CONDITIONING SYSTEM

The air conditioning system on this machine contains the fluorinated
greenhouse gas refrigerant R134a (Global Warming Potential = 1430).
The system contains 0.9 kg of refrigerant which has a CO2 equivalent
of 1.287 metric tonnes.

10 320 GC HYDRAULIC EXCAVATOR

STANDARD & OPTIONAL EQUIPMENT

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

320 CAB STANDARD OPTIONAL BOOM AND STICK STANDARD OPTIONAL

ROPS, standard sound suppression 5.7 m (18'8") reach boom, 2.9 m (9'6") stick
Mechanically adjustable seat 5.7 m (18'8") reach boom, 2.5 m (8'2") stick 1

High-resolution 203 mm (8 inch)

LCD touchscreen monitor
UNDERCARRIAGE AND STRUCTURES STANDARD OPTIONAL
600 mm (24") triple grouser shoes 1
CAT CONNECT TECHNOLOGY STANDARD OPTIONAL
700 mm (28") triple grouser shoes 1
Cat Product Link
790 mm (31") triple grouser shoes 2

Tie-down points on base frame

ENGINE STANDARD OPTIONAL
4200 kg (9,300 lb) counterweight
Two selectable power modes for HD boom and stick
One-touch low idle with auto engine
speed control
ELECTRICAL SYSTEM STANDARD OPTIONAL
Auto engine idle shutdown
Two 1,000 CCA maintenance-free batteries
52° C (125° F) high-ambient cooling capacity
Programmable time-delay LED
–32° C (–25° F) cold start capability working lights
Double element air filter with LED chassis light, left-hand/right-hand
integrated precleaner boom lights, cab lights
Reversing electric cooling fans

Biodiesel capability up to B20 SERVICE AND MAINTENANCE STANDARD OPTIONAL

Sampling ports for Scheduled
Oil Sampling (S·O·SSM)
HYDRAULIC SYSTEM STANDARD OPTIONAL
Boom and stick regeneration circuits Ground-level and platform-level
engine oil dipsticks
Boom and stick lowering check valves 1

Auto hydraulic warm up

SAFETY AND SECURITY STANDARD OPTIONAL
Auto two-speed travel
Rearview camera
Boom and stick drift reduction valve
Right-hand-side camera
Slider Joysticks 1
Cat asset tracker
Tool Control (two pumps, one/two way 1
Ground-level engine shutoff switch
high-pressure flow)
Medium-pressure circuit 1 Right-hand handrail and hand hold

Quick coupler circuit for Cat Pin Grabber Signaling/warning horn

1
Europe only
2
North America only

Not all features are available in all regions. Please check with your local Cat dealer for specific offering availability in your area.
For additional information, refer to the Technical Specifications brochures for the 320 GC, 320 and 323 models available at www.cat.com or your Cat dealer.

320 GC HYDRAULIC EXCAVATOR 11

For more complete information on Cat products, dealer services and industry solutions, visit us on the web at www.cat.com AEXQ2330-02
Replaces AEXQ2330-01
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Materials and specifications are subject to change without notice. Featured machines in photos may include additional
equipment. See your Cat dealer for available options.

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