Engine Model Cat
Net Power – SAE J1349 113 kW 152 hp Maximum Drawbar Pull 205 kN 46,086 lbf
Gross Power – SAE J1995 122 kW 164 hp Weight
®
C6.6 ACERT™ Maximum Travel Speed 5.6 km/h 3.5 mph
Minimum Weight 23 800 kg 52,470 lb
Maximum Weight 24 900 kg 54,900 lb
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Introduction
Since its introduction in the 1990s, the 300Series
family of excavators has become the industry
standard in general, quarry, and heavy construction
applications. The all-new E Series and the 320ELRR
will continue that trend-setting standard.
The 320ELRR meets today’s U.S. EPA Tier 4
Interim emission standards. It is also built with
several new fuel-saving and comfort-enabling
features and bene ts that will delight owners
andoperators.
If you are looking for more productivity and
comfort, less fuel consumption and emissions,
andeasier and more sensible serviceability,
youwill nd it in the all-new 320ELRR and
theESeries family of excavators.
Reduced emissions, economical and reliable performance
Cat® C6.6 ACERT™ Engine
The Cat C6.6 ACERT engine delivers more horsepower
usingless fuel than the previous series engine.
Emissions Solution
Equipped to meet U.S. Tier 4 emission standards, the
320ELRR’s C6.6 ACERT engine features an aftertreatment
regeneration solution that requires no operator intervention.
Theregeneration process automatically starts once the
ltering system reaches acertain level – with no interruption
to machine performance or the work process.
Biodiesel-Ready Fuel System
The C6.6 ACERT engine is equipped with an electroniccontrolled high-pressure fuel system that includes an electric
priming pump and three-layer fuel hoses to allow the use
ofbiodiesel (meeting ASTM 6751 or EN14214) up to
B20(biodiesel 20% mixture).
Cooling System
The cooling system features an air-to-air aftercooler and
A/Ccondenser positioned for easy servicing; the viscous fan
automatically adjusts to ambient temperatures to help reduce
fuel consumption and noise.
Speed and Power Control
The 320ELRR features speed control to maintain a
constantspeed – regardless of load – to improve fuel
economy. Three different power modes are offered: high
power, standard power, and economy power. The operator
can easily change between modes through the monitor or
console switch to meet the needs for the job at hand – all
tohelp manage and conserve fuel.
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Operator Station
Comfort and convenience to keep people productive
Seats
The seat range includes air suspension, heated, and air cooled
options. All seats include a reclining back, upper and lower
seat slide adjustments, and height and tilt angle adjustments
to meet operator needs for comfort and productivity.
Controls
The right and left joystick consoles (1) can be adjusted to
meet individual preferences, improving operator comfort and
productivity during the course of a day. With the touch of a
button, one-touch idle reduces engine speed to help save fuel;
touch it again or move the joystick and the machine returns
to normal operating level.
Monitor
The 320ELRR is equipped with a 7" LCD (Liquid Crystal
Display) monitor (2) that’s 40% bigger than the previous model’s
with higher resolution for better visibility. In addition to an
improved keypad and added functionality, it’s programmable
to provide information in a choice of 42 languages to
support today’s diverse workforce.
An “Engine Shutdown Setting” accessible through the monitor
allows owners and operators to specify how long the machine
should idle before shutting down the engine, which can save
signicant amounts of fuel.
The image of the rearview camera is displayed directly on the
monitor. Up to two different camera images can be displayed
on the screen.
Power Supply
Two 12-volt power supply sockets are located near key
storage areas for charging electronic devices.
Storage
1
Storage spaces are located in the front, rear, and side consoles.
A specic space near the auxiliary power supply holds MP3
players and cell phones. The drink holder accommodates
large mugs with handles, and a shelf behind the seat stores
large lunch or toolboxes.
Automatic Climate Control
The climate control system features ve air outlets with
positive ltered ventilation, which makes working in the heat
and cold much more pleasant.
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Page 5
Reduced Radius
Designed for high maneuverability in conned spaces
Reduced Radius
The 320ELRR’s tail swing radius is 2080 mm (6'10") compared to 2830 mm (9'3") on the 320E.
Whenrotated 90 degrees and working over the side, just 500 mm (1'6")* hangs over the side, allowing
the320ELRR to work well in road construction applications and other space-restricted areas.
Stability
The 320ELRR offers a stable platform for all applications. When compared to 320EL, the 320ELRR
delivers up to 16% additional lift over the side with the heavier counterweight. One of the main contributors
is the use of an additional counterweight, which allows the balance of the machine to be comparable to a
standard machine with a longer tail swing.
Comfort
While the length of the upper structure is reduced to accommodate the work at hand, the cab of the
320ELRR is the same size with all the amenities and attachments found inside the 320EL.
*With 790 mm (31") shoe.
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Hydraulics
Power to move more dirt, rock, and debris with speed and precision
Hydraulic Horsepower
Hydraulic horsepower is the actual machine power available
to do work through implements and work tools. It’s much
more than just the engine power under the hood – it’s a core
strength that differentiates Cat machines from other brands.
Hydraulic Pumps
The 320ELRR uses a two-pump, high-pressure hydraulic
system to tackle the toughest work in short order. A highly
efcient and simple back-to-back main control valve improves
fuel consumption and allows for greater tool versatility.
Heavy Lift
The 320ELRR features a heavy lift function to give more lift
capacity over the front. With a touch of a button, pressure
increases and engine speed reduces to give better control in
lifting those extra-tough-to-move materials like concrete pipe
and road construction barriers.
Swing Priority Circuit
The swing priority circuit on the 320ELRR uses an electric
valve that’s operated by the machine’s Electronic Control
Module (ECM). Compared to using a hydraulic valve, an
electric valve allows for more nely tuned control, which
iscritical during material loading.
Electric Boom Regeneration Valve
This valve minimizes pump ow when the boom lowers
down, which helps improve fuel efciency. It is optimized
for any dial speed setting being used by the operator,
which results in enhanced boom lowering speed for greater
controllability.
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Structures & Undercarriage
Built to work in rugged environments
Frame
The 320ELRR features a solid foundation that’s built
toabsorb the stresses of every day work. The main frame
utilizes high-tensile-strength steel and a one-piece swing table
to improve strength and reliability. The X-shaped carbody
is designed to resist bending and twisting forces. Theupper
frame includes reinforced mountings to support the RollOver Protective Structure (ROPS) cab; the lower frame
isreinforced to increase component durability.
Undercarriage
The undercarriage is built to support various work
applications. Precision-forged carrier rollers, press- t pin
master joints, and enhanced track shoe bolts improve
durability and reduce the risk of machine downtime and
the need and cost to replace components. Heavy-duty
rollers and idlers are sealed and lubricated to extend service
lift. Track links are assembled and sealed with grease to
decrease internal wear and increase life compared to dry seal
undercarriage. Also, a segmented two-piece guiding guard is
now offered to help maintain track alignment and improve
performance in multiple applications.
Counterweights
Two counterweight options are available: 6.2 mt (6.8 ton)
and 6.9 mt (7.6 ton). Integrated links enable easy removal of
the counterweight for maintenance or shipping.
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Front Linkage
Made for high stress and long service life
Booms and Sticks
The 320ELRR is offered with a range of booms and sticks (see list below). Each is built with internal baf e
plates for added durability, and each undergoes ultrasound inspection to ensure weld quality and reliability.
Large box-section structures with thick, multi-plate fabrications, castings, and forgings are used in high-stress
areas such as the boom nose, boom foot, boom cylinder, and stick foot to improve durability.
The boom nose retention method is a durable captured ag design. Boom durability is improved with
anumber of plate thickness changes. Also, the front linkage pins’ inner bearing surfaces are welded,
andaself-lubricated bearing is used to extend service intervals and increase uptime.
Selections
There are two basic boom options: HD and ES.
• HD = Heavy Duty – This type of boom is designed to balance reach, digging force, and bucket capacity.
It covers the vast majority of applications such as digging, loading, trenching, and working with
hydraulic tools.
• ES = Extreme Service – This type of boom is best used for demolition or extreme applications where
stress loads on the boom are increased. It should be used for demanding, harsh applications like
100%rock and extensive hammer use.
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Work Tools
Dig, hammer, rip, and cut with condence
An extensive range of Cat Work Tools for the 320ELRR
includes buckets, compactors, grapples, scrap and demolition
shears, multi-processors, pulverizers, hammers and thumbs.
Each is designed to optimize the versatility and performance
of your machine.
Quick Couplers
Quick couplers allow one person to change work tools in
seconds for maximum performance and exibility on a job
site. One machine can move rapidly from task to task, and
a eet of similarly equipped machines can share a common
work tool inventory.
Cat Center-Lock™ Pin Grabber Coupler
Center-Lock is the pin grabber style coupler featuring a
patented locking system. A highly visible lock clearly shows
the operator when the coupler is engaged or disengaged from
the bucket or work tool.
Buckets
Cat buckets are designed as an integral part of the
320ELRR system and feature new geometry for better
performance. The leading edge has been pushed forward,
resulting in more ef cient lling and better operator control
for greatly improved productivity. Wear coverage in the
corners and side cutter and sidebar protector coverage are
improved. All benets are captured in a new bucket line
witha new bucket naming convention.
Caterpillar offers standard bucket categories for excavators.
Each category is based on intended bucket durability when
used in recommended application and material. Buckets are
available as pin-on or can be used with a quick coupler.
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General Duty (GD)
GD buckets are for digging in low-impact, low-abrasion
material such as dirt, loam, and mixed compositions of dirt
and ne gravel.
Heavy Duty (HD)
The most popular bucket style, HD buckets are a good
starting point when digging conditions are not well known
like a wide range of impact and abrasion conditions
including mixed dirt, clay, and rock.
Severe Duty (SD)
SD buckets are for higher abrasion conditions such as
wellshot granite and caliche. Red area on bucket image
illustrates additional protection against wear as compared
toa GD bucket.
Specialty Buckets
In addition to the standard four bucket categories, specialty
bucket styles are available for the 320ELRR, each with a
different purpose:
• Ditch Cleaning buckets for cleaning ditches, slope
grading, and other nish work.
• Center-Lock Pin Grabber Performance buckets for
maximum digging performance while keeping the
versatility and convenience of a coupler.
• Wide Tip buckets for low impact material where leaving
asmoother oor and minimal spillage are necessary.
Hydraulic Kits
Caterpillar offers eld-installed hydraulic kits that are uniquely
designed to integrate Cat Work Tool attachments with Cat
excavators. Hoses and tubes are pre-made, pre-shaped, and
pre-painted to make installation quick and easy.
1
3
1) General Duty 2) Heavy Duty 3) Severe Duty
2
Comprehensive Product Support
All Cat Work Tools are backed up by a world-wide network
of well-stocked parts depots and highly experienced service
and support personnel.
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Integrated Technologies
1
Solutions that make work easier and more efcient
Cat® Grade Control Depth and Slope
This optional system combines traditional machine control and guidance
with standard factory-installed and calibrated components, making the
system ready to go to work the moment it leaves the factory. The system
utilizes internal front linkage sensors – well protected from the harsh
working environment – to give operators real-time bucket tip position
information through the cab monitor (1), which minimizes the need and cost
for traditional grade checking and improves job site safety. It also helps the
operator complete jobs in fewer cycles, which means less fuel use. Cat dealers
can upgrade the system to full three-dimensional control by adding proven
Cat AccuGrade™ positioning technologies, including GPS and Universal
Total Station (UTS).
Cat Product Link
This optional system is deeply integrated into the machine monitoring system
and is designed to help customers improve their overall eet management
effectiveness. Events and diagnostic codes as well as hours, fuelconsumption,
idle time, machine location, and other detailed information are transmitted
to a secure web based application (2 and 3) called VisionLink™, which uses
powerful tools to communicate to users and dealers.
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Serviceability
Fast, easy and safe access built in
Service Doors
Wide service doors (1) and a one-piece hood (2) provide easy
access to the cooling and engine compartments. Both doors
and hood feature enhanced hardware and a new screen
design tohelp minimize debris entry.
Compartments
The compartments are designed to provide technicians with
quick access to major components and regular service items
like lters. The fresh air lter (3), for example, is located onthe
side of the cab to make it easy to reach and replace asneeded.
Other Service Enhancements
The water separator with water level sensor has a primary
fuel lter element located in the pump compartment near
ground level.
The fuel tank features a remote drain cock located in the
pump compartment to make it easy to remove water and
sediment during maintenance.
The engine oil check gauge is situated in front of the engine
compartment for easy access, and a uniquely designed drain
cock helps prevent spills.
Hydraulic lash adjusters automatically adjust valve opening
and closing events to help reduce fuel consumption and
engine noise. They also eliminate the need for a valve lash,
which reduces maintenance for the customer.
1
13
2
3
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Safety
Features to help protect people
ROPS Cab
The ROPS-certied cab allows a Falling Object Guard
Structure (FOGS) to be bolted directly to it.
Sound Proong
Improved sealing and cab roof lining lower noise levels by
5dB inside the cab – a signi cant benet to operators.
Anti-Skid Plates
The surface of the upper structure and the top of the
storage box area are covered with anti-skid plates to help
prevent service personnel and operators from slipping
duringmaintenance.
Steps, Hand and Guard Rails
Steps (1) on the track frame and storage box along with
extended hand and guard rails (2) to the upper deck enable
operators to securely work on the machine.
Time Delay Cab and Boom Lights
After the engine start key has been turned to the “OFF”
position, lights will be illuminated to enhance visibility.
Thetime delay can vary from 0 to 90 seconds, which can
beset through the monitor.
High Intensity Discharge (HID) Lights
Cab lights can be upgraded to HID for greater visibility.
Windows
Two windshield options are available: The 70/30 split
conguration features an upper window equipped with handles
on the top and both sides so the operator can slide it to store
in the ceiling. The lower window is removable and can be
stored on the left wall of the cab shell.
The large skylight provides great overhead visibility, excellent
1
natural lighting, and good ventilation. The skylight can be
opened completely to become an emergency exit.
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2 3
Monitor Warning System
The machine’s advanced diagnostic system features a buzzer
in the monitor to communicate to operators critical events
like full lters or low hydraulic uid levels so they can take
immediate action.
Rearview Camera
The standard rearview camera (3) is housed in the counterweight.
The image projects through the cab monitor to give the
operator a clear view of what is behind the machine.
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Complete Customer Care
Service you can count on
Product Support
Cat dealers utilize a worldwide parts network to maximize your machines’ uptime. Plus they can help
you save money with Cat remanufactured components.
Machine Selection
What are the job requirements and machine attachments? What production is needed? Your Cat dealer
can provide recommendations to help you make the right machine choices.
Purchase
Consider nancing options and day-to-day operating costs. Look at dealer services that can be included
in the machine’s cost to yield lower owning and operating costs over time.
Customer Support Agreements
Cat dealers offer a variety of customer support agreements and work with you to develop a plan to meet
your specic needs. These plans can cover the entire machine, including attachments, to help protect
your investment.
Operation
Improving operating techniques can boost your prots. Your Cat dealer has videos, literature, and other
ideas to help you increase productivity. Caterpillar also offers simulators and certied operator training
to help maximize the return on your investment.
Replacement
Repair, rebuild, or replace? Your Cat dealer can help you evaluate the cost involved so you can make the
best choice for your business.
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Sustainability
Generations ahead in every way
• The C6.6 ACERT engine, along with the Cat Clean Emissions Module (CEM),
meets U.S. Tier 4 Interim emission standards.
• The 320ELRR has the exibility of running on either ultra-low-sulfur diesel (ULSD) fuel with
15ppm of sulfur or less or biodiesel (B20) fuel blended with ULSD that meets ASTM 6751
orEN14214 standards.
• Even when operating in high horsepower and high production applications, the 320ELRR
performs a similar amount of work as the previous D Series model with signi cantly reduced
fuelconsumption.
• The 320ELRR is quieter inside and out, which benets operators and the surrounding environment.
• A ground-level overll indicator rises when the tank is full to help the operator avoid spilling.
• The QuickEvac™ option ensures fast, easy, and secure changing of engine and hydraulic oil.
• The 320ELRR is built to be rebuilt with major structures and components capable of being
remanufactured to reduce waste and replacement costs.
• An eco-friendly engine oil lter eliminates the need for painted metal cans and aluminum top
plates. The cartridge-style spin-on housing enables the internal lter to be separated and replaced;
the used internal element can be incinerated to help reduce waste.
• The 320ELRR is an efcient, productive machine that’s designed to conserve our natural resources
for generations ahead.
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Engine Drive Track
320ELRR Hydraulic Excavator Specications
Engine Model Cat® C6.6 ACERT™
Net Power – 113 kW 152 hp
SAEJ1349
Gross Power – 122 kW 164 hp
SAEJ1995
Bore 105 mm 4.1 in
Stroke 127 mm 5.0 in
Displacement 6.6 L 403 in
3
Hydraulic System
Main System –
Maximum Flow
(Total)
Swing System –
Maximum Flow
Maximum Pressure
–Equipment
Maximum Pressure
– Travel
Maximum Pressure
– Swing
Pilot System –
Maximum Flow
Pilot System –
Maximum Pressure
Boom Cylinder –
Bore
Boom Cylinder –
Stroke
Stick Cylinder –
Bore
Stick Cylinder –
Stroke
B1 Bucket Cylinder
– Bore
B1 Bucket Cylinder
– Stroke
428 L/min 113.1 gal
214 L/min 56.5 gal
35 000kPa/
38 000 kPa
35 000 kPa 5,076 psi
25 000 kPa 3,626 psi
24.3 L/min 1,483 in
3920 kPa 569 psi
120 mm 4.7 in
1260 mm 49.6 in
140 mm 5.5 in
1504 mm 59.2 in
120 mm 4.7 in
1104 mm 43.5 in
5,076/
5,512 psi
min
3
Maximum 5.6 km/h 3.5 mph
TravelSpeed
Maximum 205 kN 46,086 lbf
DrawbarPull
Swing Mechanism
Swing Speed 11.2 rpm
Swing Torque 61.8 kN·m 45,581 lb-ft
Service Re ll Capacities
Fuel Tank Capacity 290 L 76.6 gal
Cooling System 30 L 7.9 gal
Engine Oil 23 L 6.1 gal
(with lter)
Swing Drive (each) 8 L 2.1 gal
Final Drive (each) 8 L 2.1 gal
Hydraulic System 205 L 54.2 gal
(including tank)
Hydraulic Tank 115 L 30.4 gal
/
Number of Shoes (each side)
Long Undercarriage 49 pieces
Number of Track Rollers (eachside)
Long Undercarriage 8 pieces
Number of Carrier Rollers (eachside)
Long Undercarriage 2 pieces
Sound Performance
Operator – ISO 6396 71 dB
Spectator – ISO 6395 103 dB
• When properly installed and maintained,
the cab offered by Caterpillar, when tested
with doors and windows closed according
to ANSI/SAE J1166 OCT98, meets OSHA
and MSHA requirements for operator
sound exposure limits in effect at time of
manufacture.
• Hearing protection may be needed when
operating with an open operator station
and cab (when not properly maintained or
doors/windows open) for extended periods
or in noisy environment.
Base Machine (with boom cylinder, without counterweight, front linkage and track) 6500 14,330
Long Undercarriage 7850 17,300
Counterweight
6.2 mt (6.8 ton) 6200 13,670
6.9 mt (7.6 ton) 6900 15,210
Boom (includes lines, pins and stick cylinder)
Reach Boom HD – 5.7 m (18'8") 1720 3,790
Reach Boom ES – 5.7 m (18'8") 2010 4,430
Reach Boom HD for CGC – 5.7 m (18'8") 1730 3,810
Reach Boom ES for CGC – 5.7 m (18'8") 2020 4,450
Stick (includes lines, pins and bucket cylinder)
R2.9B1 (9'6") HD 680 1,510
R2.9B1 (9'6") ES 840 1,850
R2.9B1 (9'6") HD for CGC 690 1,530
R2.9B1 (9'6") ES for CGC 850 1,880
Track Shoe (Long/per two tracks)
600 mm (24") Triple Grouser 2700 5,940
700 mm (28") Triple Grouser 3070 6,780
790 mm (31") Triple Grouser 3360 7,410
790 mm (31") Triple Grouser HD 3800 8,370
Quick Coupler
Center-Lock 252 (UQC) 420 920
Buckets
3
B1 1200 mm (47") GD 347-6731 SAE 1.19 m
All weights are rounded up to nearest 10 kg and lb except for quick coupler and buckets. Kg and lb were rounded up separately so some of the kg and lb do not match.
Base machine includes 75 kg (165 lb) operator weight, 90% fuel weight, and undercarriage with center guard.
(1.56 yd3) 930 2,050
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Bucket and Stick Forces
Reach Boom
5.7 m (18'8")
Stick R2.9B1 (9'6")
B1 – Family Bucket forCW-40 forCW-40S
kN (lbf) kN (lbf) kN (lbf)
General Duty
Bucket Digging Force (ISO) 140.5 (31,600) 127.7 (28,700) 127.7 (28,700)
Stick Digging Force (ISO) 106.7 (24,000) 103.2 (23,200) 103.2 (23,200)
Bucket Digging Force (SAE) 125.9 (28,300) 116.1 (26,100) 116.1 (26,100)
Stick Digging Force (SAE) 103.9 (23,400) 100.6 (22,600) 100.6 (22,600)
Heavy Duty
Bucket Digging Force (ISO) 150.4 (33,800) 127.4 (28,600) 127.4 (28,600)
Stick Digging Force (ISO) 106.4 (23,900) 103.1 (23,200) 103.1 (23,200)
Bucket Digging Force (SAE) 133.5 (30,000) 114.9 (25,800) 114.9 (25,800)
Stick Digging Force (SAE) 103.2 (23,200) 100.3 (22,500) 100.3 (22,500)
Severe Duty
Bucket Digging Force (ISO) 150.4 (33,800) — —
Stick Digging Force (ISO) 106.4 (23,900) — —
Bucket Digging Force (SAE) 133.5 (30,000) — —
Stick Digging Force (SAE) 103.2 (23,200) — —
B1 – Family Bucket B1 – Family Bucket
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320ELRR Hydraulic Excavator Specications
HD Reach Boom Lift Capacities
Load Point Height Load at Maximum Reach Load Radius Over Front Load Radius Over Side
*Indicates that the load is limited by hydraulic lifting capacity rather than tipping load. The above loads are in compliance with hydraulic excavator lift capacity
standard ISO 10567:2007. They do not exceed 87% of hydraulic lifting capacity or 75% of tipping load. Weight of all lifting accessories must be deducted from the
above lifting capacities. Lifting capacities are based on the machine standing on a firm, uniform supporting surface. The use of a work tool attachment point to
handle/lift objects, could affect the machine lift performance.
Always refer to the appropriate Operation and Maintenance Manual for specific product information.
6.0 m/20.0 ft
m
ft
*4950 *4950 *4300 *4300 6.15
*5450 *5450 *3950 *3950 7.28
*12,000 *12,000 *8,750 *8,750 23.71
*6000 5650 *5650 4000 *3900 3650 7.98
*13,050 12,150 *12,400 8,600 *8,550 8,050 26.10
*9,500 *9,500 19.78
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HD Reach Boom Lift Capacities
Load Point Height Load at Maximum Reach Load Radius Over Front Load Radius Over Side
*Indicates that the load is limited by hydraulic lifting capacity rather than tipping load. The above loads are in compliance with hydraulic excavator lift capacity
standard ISO 10567:2007. They do not exceed 87% of hydraulic lifting capacity or 75% of tipping load. Weight of all lifting accessories must be deducted from the
above lifting capacities. Lifting capacities are based on the machine standing on a firm, uniform supporting surface. The use of a work tool attachment point to
handle/lift objects, could affect the machine lift performance.
Always refer to the appropriate Operation and Maintenance Manual for specific product information.
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320ELRR Hydraulic Excavator Specications
HD Reach Boom Lift Capacities
Load Point Height Load at Maximum Reach Load Radius Over Front Load Radius Over Side
*Indicates that the load is limited by hydraulic lifting capacity rather than tipping load. The above loads are in compliance with hydraulic excavator lift capacity
standard ISO 10567:2007. They do not exceed 87% of hydraulic lifting capacity or 75% of tipping load. Weight of all lifting accessories must be deducted from the
above lifting capacities. Lifting capacities are based on the machine standing on a firm, uniform supporting surface. The use of a work tool attachment point to
handle/lift objects, could affect the machine lift performance.
Always refer to the appropriate Operation and Maintenance Manual for specific product information.
6.0 m/20.0 ft
m
ft
*4950 *4950 *4300 *4300 6.15
*5450 *5450 *3950 *3950 7.28
*12,000 *12,000 *8,750 *8,750 23.71
*6000 6000 *5650 4300 *3900 3850 7.98
*13,050 12,900 *12,400 9,200 *8,550 8,550 26.10
*9,500 *9,500 19.78
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HD Reach Boom Lift Capacities
Load Point Height Load at Maximum Reach Load Radius Over Front Load Radius Over Side
*Indicates that the load is limited by hydraulic lifting capacity rather than tipping load. The above loads are in compliance with hydraulic excavator lift capacity
standard ISO 10567:2007. They do not exceed 87% of hydraulic lifting capacity or 75% of tipping load. Weight of all lifting accessories must be deducted from the
above lifting capacities. Lifting capacities are based on the machine standing on a firm, uniform supporting surface. The use of a work tool attachment point to
handle/lift objects, could affect the machine lift performance.
Always refer to the appropriate Operation and Maintenance Manual for specific product information.
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320ELRR Hydraulic Excavator Specications
ES Reach Boom Lift Capacities
Load Point Height Load at Maximum Reach Load Radius Over Front Load Radius Over Side
*Indicates that the load is limited by hydraulic lifting capacity rather than tipping load. The above loads are in compliance with hydraulic excavator lift capacity
standard ISO 10567:2007. They do not exceed 87% of hydraulic lifting capacity or 75% of tipping load. Weight of all lifting accessories must be deducted from the
above lifting capacities. Lifting capacities are based on the machine standing on a firm, uniform supporting surface. The use of a work tool attachment point to
handle/lift objects, could affect the machine lift performance.
Always refer to the appropriate Operation and Maintenance Manual for specific product information.
6.0 m/20.0 ft
m
ft
*4900 *4900 *4200 *4200 6.15
*5300 *5300 *3900 *3900 7.28
*11,650 *11,650 *8,600 *8,600 23.71
*5850 *5850 *5450 4150 *3850 3750 7.98
*12,700 12,650 *12,000 8,900 *8,400 8,250 26.10
*9,350 *9,350 19.78
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Work Tool Offering Guide*
Boom Type Heavy Duty – 5.7 m (18'8") Extreme Service – 5.7 m (18'8")
Stick Size R2.9 HD (9'6") R2.9 ES (9'6")
Hydraulic Hammer H115Es H115Es
Multi-Processor MP15** MP15**
Pulverizer P215 P215
Mobile Scrap and Demolition Shear S320B** S320B**
Compactor (Vibratory Plate) CVP110 CVP110
Contractors’ Grapple G120B-G130B G120B-G130B
Trash Grapple
Thumbs
Rakes
Center-Lock Pin Grabber Coupler
Dedicated Quick Coupler
*Matches are dependent on excavator configurations. Consult your Cat dealer for proper work tool match.
**Pin-on only.
***Boom-mount.
H120Es H120Es
H130Es H130Es
S325B*** S325B***
S340B*** S340B***
These work tools are available for the 320ELRR.
Consult your Cat dealer for proper match.
27
Page 28
320ELRR Hydraulic Excavator Specications
Bucket Specifications and Compatibility
Width Capacity Weight Fill
3
Linkage mm in R2.9 HD (9'6") R2.9 ES (9'6")
Without Quick Coupler
General Duty (GDC) B 600 24 0.55 0.72 618 1,363 100%
B 750 30 0.75 0.98 710 1,566 100%
B 900 36 0.95 1.24 786 1,733 100%
B 1050 42 1.16 1.52 847 1,867 100%
B 1200 48 1.38 1.80 925 2,038 100%
B 1350 54 1.59 2.08 1002 2,209 100%
Heavy Duty (HD) B 600 24 0.46 0.61 649 1,430 100%
B 750 30 0.64 0.84 747 1,647 100%
B 900 36 0.81 1.06 825 1,818 100%
B 1050 42 1.00 1.31 879 1,937 100%
B 1200 48 1.19 1.56 970 2,138 100%
B 1350 54* 1.38 1.81 1051 2,316 100%
Severe Duty (SD) B 600 24 0.46 0.61 693 1,527 90%
B 750 30 0.64 0.84 801 1,765 90%
B 900 36 0.81 1.06 887 1,955 90%
B 1050 42 1.00 1.31 962 2,121 90%
B 1200 48 1.19 1.56 1051 2,316 90%
Super Long Reach SLR 813 32 0.46 0.60 341 751 100%
SLR 1143 45 0.61 0.80 289 637 100%
m
Maximum load pin-on (payload + bucket) kg 3620 3520
3
yd
kg lb %
lb 7,978 7,758
Reach Boom (HD) Reach Boom (ES)
*
**
*
**
The above loads are in compliance with hydraulic excavator standard EN474, they do not exceed 87%of
hydraulic lifting capacity or 75% of tipping capacity with front linkage fully extended atgroundline with
bucket curled.
Capacity based on ISO 7451.
Bucket weight with General Duty tips.
*
*This bucket might reduce boom structure life.
** For light dirt loading applications only. Consult your dealer to understand your application before using this bucket in combination with this stick.
Caterpillar recommends using appropriate work tools to maximize the value customers receive from our products. Use of work tools, including buckets, which are
outside of Caterpillar’s recommendations or specifications for weight, dimensions, flows, pressures, etc. may result in less-than-optimal performance, including
but not limited to reductions in production, stability, reliability, and component durability. Improper use of a work tool resulting in sweeping, prying, twisting and/or
catching of heavy loads will reduce the life of the boom and stick.
Maximum Material Density:
2100 kg/m
1800 kg/m3 (3,000 lb/yd3)
1500 kg/m3 (2,500 lb/yd3)
3
(3,500 lb/yd3)
28
Page 29
Bucket Specifications and Compatibility
Width Capacity Weight Fill
3
Linkage mm in R2.9 HD (9'6") R2.9 ES (9'6")
m
3
yd
kg lb %
With Center Lock Coupler
General Duty (GDC) B 600 24 0.55 0.72 618 1,363 100%
B 750 30 0.75 0.98 710 1,566 100%
B 900 36 0.95 1.24 786 1,733 100%
B 1050 42 1.16 1.52 847 1,867 100%
B 1200 48 1.38 1.80 925 2,038 100%
B 1350 54 1.59 2.08 1002 2,209 100%
Heavy Duty (HD) B 600 24 0.46 0.61 649 1,430 100%
B 750 30 0.64 0.84 747 1,647 100%
B 900 36 0.81 1.06 825 1,818 100%
B 1050 42 1.00 1.31 879 1,937 100%
B 1200 48 1.19 1.56 970 2,138 100%
B 1350 54* 1.38 1.81 1051 2,316 100%
Severe Duty (SD) B 600 24 0.46 0.61 693 1,527 90%
B 750 30 0.64 0.84 801 1,765 90%
B 900 36 0.81 1.06 887 1,955 90%
B 1050 42 1.00 1.31 962 2,121 90%
B 1200 48 1.19 1.56 1051 2,316 90%
B 1200 48 1.19 1.56 1000 2,204 90%
Maximum load with coupler (payload + bucket) kg 3210 3110
lb 7,075 6,855
Reach Boom (HD) Reach Boom (ES)
Maximum Material Density:
The above loads are in compliance with hydraulic excavator standard EN474, they do not exceed 87%of
hydraulic lifting capacity or 75% of tipping capacity with front linkage fully extended atgroundline with
bucket curled.
Capacity based on ISO 7451.
Bucket weight with General Duty tips.
*
*This bucket might reduce boom structure life.
2100 kg/m
1800 kg/m
1500 kg/m3 (2,500 lb/yd3)
1200 kg/m3 (2,000 lb/yd3)
3
(3,500 lb/yd3)
3
(3,000 lb/yd3)
Caterpillar recommends using appropriate work tools to maximize the value customers receive from our products. Use of work tools, including buckets, which are
outside of Caterpillar’s recommendations or specifications for weight, dimensions, flows, pressures, etc. may result in less-than-optimal performance, including
but not limited to reductions in production, stability, reliability, and component durability. Improper use of a work tool resulting in sweeping, prying, twisting and/or
catching of heavy loads will reduce the life of the boom and stick.
29
Page 30
320ELRR Standard Equipment
Standard equipment may vary. Consult your Cat dealer for details.
ENGINE
C6.6 diesel engine
Biodiesel capable
EPA Tier 4 Interim
2300 m (7,500 ft) altitude capability
Automatic engine speed control
Economy and high power modes
Two-speed travel
Side-by-side cooling system
Radial seal air lter
Primary lter with water separator and
Starting kit, cold weather, –18° C (0° F)
Screen fuel lter in fuel line
Primary fuel lter
Secondary fuel lter
HYDRAULIC SYSTEM
Regeneration circuit for boom and stick
Reverse swing dampening valve
Automatic swing parking brake
High-performance hydraulic return lter
Capability of installing HP stackable valve
Capability of installing additional auxiliary
Capability of installing boom lowering
Capability of installing Cat Bio hydraulic oil
Fine swing control
water separator indicator switch
and medium and QC valve
pump and circuit
control device and stick lowering
checkvalve
CAB
Pressurized operator station
with positive ltration
Mirror package
Sliding upper door window
with in cab storage bracket
Coat hook
Beverage holder
Literature holder
Radio with MP3 auxiliary audio port
Two 12V stereo speakers
Storage shelf suitable for lunch or toolbox
Color LCD display with warning, lter/ uid
change, and working hour information
Adjustable armrest
Height adjustable joystick consoles
Neutral lever (lock out) for all controls
Travel control pedals
with removable hand levers
Capability of installing two additional pedals
Two power outlets, 10 amp (total)
Laminated glass front upper window
andtempered other windows
UNDERCARRIAGE
Grease Lubricated Track GLT2, resin seal
Towing eye on base frame
ELECTRICAL
80 amp alternator
Circuit breaker
Capability to electrically connect a beacon
LIGHTS
Boom light with time delay
Exterior lights integrated into storage box
SECURITY
Cat one key security system
Door locks
Cap locks on fuel and hydraulic tanks
Lockable external tool/storage box
Signaling/warning horn
Secondary engine shutoff switch
Openable skylight for emergency exit
Rearview camera
Travel alarm
30
Page 31
Optional equipment may vary. Consult your Cat dealer for details.
320ELRR Optional Equipment
ENGINE
Starting kit, cold weather, –25° C (–13° F)
Jump start receptacle
Quick drains, engine and hydraulic oil
(QuickEvac)
Radiator screen
Block heater (jacket water heater)
HYDRAULIC SYSTEM
Control pattern quick-changer, two way
Additional circuit
Boom and stick lines
High-pressure line
Medium-pressure line
Cat quick coupler line – high- and
medium-pressure capable
Electronic Control device, 1/2P,
one-way circuit
Electronic Control device (Common),
1/2P,common circuit
Electronic Control device, 1P,
two-way circuit
CAB
Cab hatch emergency exit
Seat, high-back air suspension with heater
Seat, high-back mechanical suspension
Sunscreen
Windshield wiper withwasher
AM/FM radio
Left foot switch
Left pedal
Straight travel pedal
UNDERCARRIAGE
600 mm (24") triple grouser shoes
700 mm (28") triple grouser shoes
790 mm (31") triple grouser shoes
Guard, full length for long FG undercarriage
Guard, heavy-duty bottom
Center track guiding guard
Segmented (2 piece) track guiding guard
HD track roller
COUNTERWEIGHT
6.2 mt (6.8 t) without lifting eye
6.9 mt (7.6 t) without lifting eye
FRONT LINKAGE
Quick coupler
Bucket linkage, B1 family with
and without lifting eye
5.7 m (18'7") reach, heavy-duty,
heavy-lift booms
2.9 m (9'6") heavy-duty stick
LIGHTS
Working lights, cab mounted with time delay
HID lights, cab mounted with time delay
Halogen boom lights
SECURITY
FOGS, bolt-on
Side rubber bumper
Cat MSS (anti-theft device)
TECHNOLOGY
Cat Grade Control Depth and Slope
Product Link
31
Page 32
320ELRR Hydraulic Excavator
For more complete information on Cat products, dealer services, and industry solutions,
visit us on the web at www.cat.com
Materials and specications are subject to change without notice. Featured machines
in photos may include additional equipment. See your Cat dealer for available options.
CAT, CATERPILLAR, SAFETY.CAT.COM, their respective logos, “Caterpillar Yellow”
and the “Power Edge” trade dress, as well as corporate and product identity used herein,
are trademarks of Caterpillar and may not be used without permission.
20
AEHQ6443 (12-2011)
(Americas)
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