Download - Caterpillar Tren de Rodaje Excavadoras
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unDErCarriaGE SYStEMSanD COMpOnEntS
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unDErCarriaGE
SYStEMS anDCOMpOnEntS
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Caterpillar designs, enginee
tests and manufactures
undercarriage systems and
componentsdelivering th
quality you expect and
your customers demand.
With decades o experienc
in logging/orestry, mining,
agriculture, material handli
and other challenging indus
we build undercarriage compo
to work within integrated sys
provide exceptional reliabi
and durability, and wear at
balanced rate.
As a result, you will be able
meet your customers requirem
and gain a competitive edg
by providing:
longer equipment lie
lower operating and
maintenance costs, and
increased liecycle value
superior perormance in t
most challenging conditio
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VH StyleRetracted
These unique arrangements can be
extended to wide-gauge congurations
or increased stability in applications
such as box boom cranes, lattice cranes
or oundation drillsand retracted to a
narrow-gauge congurtion or
easier transport.
VH style undercarriage eature an H
style carbody that allows the individual
track-side rames to be extended/retracte
through the use o our hydraulic cylinder
mounted inside the H legs.
VM style undercarriage eature a square
style carbody that extends/retracts using
legs that are welded to the track-side
rames and actuated through two
hydraulic cylinders.
Both arrangements can accept a wide
variety o track shoes. Additionally, they ca
be congured to accept standard Cat swin
bearings and upper structuresor be
customized to suit most OEM requirments.We can also adapt a range o Cat nal
drives and travel motors to help ensure
your arrangement will meet your
particular needs.
variaBlE GauGEunDErCarriaGE
VH StyleExtended
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COMpOnEntS/traCk GrOupS
rOllErS
Hardened for long wear life,
unmatched structural support
and resistance to deormation.
Sealed and Lietime Lubricated
with Cat Duo-Cone Seals.
tc roesAvailable with single or double
fange in both excavator and
track-type tractor styles.
Wide langes resist rollover.High-strength steel and deep
hardening virtually eliminate
wear, shock loads and bell
mouthing. Sleeve bearings and
large, hardened shats absorb
impacts and defection.
Ce roesIncorporate large shats
and bearings to promote
longer component lie.
Cantilever-mounted tominimize material build-up
and provide easier cleaning.
Hardened rims resist
cracking and chipping.
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Star rOllErS
These optional rollers will
continue turning in applications
where materials build up, or
reezing and thawing conditions
exist, eliminating fat spots thatcan occur on traditional
carrier rollers.
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Manuactured or excellent wear
resistance, strength and durability.
Special heat-treatment processes
produce consistent surface
hardness, superior hardened
depth and strong core hardness.
linkSiDlErS
Cast or abricated with internal
reinorcing plates or superior
strength and durability. Sealed
and Lietime Lubricated with
Cat Duo-Cone Seals.
SprOCkEtS
Superior surace hardness, hardeneddepth and core hardness provide
long wear lie, resistance to bending/breakage and maximum hardware
retention. Available in three styles.
tc adjsg & recoSg GosHeavy-duty recoil springs reduce
shock loads. Hydraulic track
adjusters can be set with agrease gun (no special servicetools or high-pressure gas-charging
cylinders required).
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GrEaSE luBriCatEDtraCk (Glt)
Providing high wear lie with low
maintenance costs, Cat tracks
and track components continue
to perorm in the eldyear
ater year, decade ater decade.
Gese lbced tcResin seals retain a protective
layer o grease between the
pin and bushing. GLTs provide30% longer wear lie than
other sealed track assemblies,
allowing or longer sprocket lie,
lower risk o rozen or seized
track joints and reduced
undercarriage noise. Available
on most 300 Series hydraulic
excavators, GLTs can be used
to replace link assemblies on
earlier models.
Seed tcsUse belleville-type washers
between the bushing and link
counterbore, and oer longer
lie o the pins and bushings than
unsealed systems. Heavily strutted
links, cold-extruded bushings,
induction-hardened pins, and
other eatures contribute to
durability and dependability.
traCk SHOES
Rolled rom modied medium carbon
steel and deep-hardened or long
wear lie. Heavy cross-sections with
curved leading and trailing edges
resist bending. Available in a wide
range o styles and widths.
tc Shoe HdweIncludes sel-locking track nuts
and bolts that match shoe strength,
exceeding SAE Grade 8 standards.
Rolled threads resist stripping and
cross-threading. Controlled stretch
allows uniorm tightening procedure.
SEalED & luBriCatED traCkS
Provide longer bushing wear
lie than sealed non-lubricated
systems, eliminating iternal
pin wear, reducing noise and
lowering operational and
maintenance costs. These tracks
are available in standard and
heavy-duty congurations.
Hey-Dy tcsThese tracks are built to meetthe challenges ounderoot
conditions created by side-sloping,
rocky or uneven terrain. Specially
designed links, pins and bushings
handle high-impact load and
stresses, and eature more rail
wear material or approximately
20% longer extended system lie
than the GLT assembly and
50% more than the sealed
track assemblies.
ps & BshgsDimensionally matched to the
links, and manuactured to provide
excellent track joint integrity and
sealability. High surace and core
hardness increase strength and
wear resistance.
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SElECtiOn anDappliCatiOni CosdeosAppropriate components must be suited to
the machine size (gross vehicle weight) and
intended application (underoot conditions,
machine speeds, travel distances and
maneuverability requirements). Additionally,
components that provide balanced wearrates and lower operating/maintenance
costs will help to enhance the liecycle
value o the equipment.
Seecg tc Shoes Single Grouser Shoes provide good
penetration and traction.
Double Grouser Shoes oer less turning
resistance or greater maneuverability.
Triple Grouser Shoes oer the lowest penetration
and resistance and best maneuverability. Special Use Shoes, such as fat, sel-cleaning,
and rubber/polyethylene-bonded, are available
in some sizes.
Extreme Service Shoes provide longer wear
in high-impact and abrasive conditions.
Me those tcs lsTo help your customers gain the best perormance
rom your machines, encourage them to:
Minimize high operating speeds in
nonproductive situations.
Adjust the track or correct tension in the
working environment.
Make daily visual inspections o the equipment.
Keep the undercarriage clean o mud and debris.
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Seecg roes Excavator-style rollers eature a
straight, large-diameter shat.
Recommended or machines that
must operate in high-impact
conditions and travel at slow speeds.
Track-type tractor rollers are recommended or higher speed applications and oer increased wear lie over excavator-style rollers.
Seecg Soces
To equalize sprocket wear, select sprockets that utilize
an odd number o sprocket teeth. The resulting hunting
tooth design ensures that teeth contact a bushing on
every other revolution.
Bolt-on rims are easy to replace, reducing downtime
and maintenance. Replacement usually requires
removal o the track group.
Bolt-on segments are also easy to replace, urther
reducing service-related costs. Replacement can
usually be perormed without removal o the track
group. Recommended when high sprocket wear
is anticipated.
Weld-on rims oer a lower initial cost, allowing you to
balance machine perormance and value. Used where
sprocket lie is not critical.
Seecg ides d reco Sg Gos
Size components to match drawbar pull and
related undercarriage components.
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idefco
Name Date
Manuacturer name
Address
City State/Province Country Zip/Postal code
Phone # E-mail address
aco
Vehicle model # Type o vehicle:
Describe how machine operates and machine duty cycle in detail:
Underoot conditions (e.g. rock, logs, sand, etc.):Working speed range: mph (km/h) Travel speed range: mph (km/h)
Maximum slope anticipated: Side or % Fore/At or %
Spot-turning o machine is required: Yes No I no, speciy turn radius: eet (meters)
Outriggers or leveling jacks are used during work cycle: Yes No
Undercarriage size now used:
Expected or desired undercarriage lie to service replacement: hours based upon hours/year o operation
reqemes
Please select the components you desire:
Loose undercarriage components only (track groups, rollers, idlers, sprockets) Assembled lower arrangementsexcluding carbody (in general, LH and RH track roller rames completely assembled
with tracks, rollers, idlers with track adjuster and recoil spring group, sprockets, nal drives and hydraulic track motors)
Oos
Carbody: Track guiding guards:
Weld-on Standard (usually in center around one roller)
Bolt-on Full length
Track motor lines group Shoe ski (orestry)
An electronic version o this Undercarriage Application Data Sheet can be ound at: http://www.cat.com/oemsolutions
unDErCarriaGE appliCatiOn Data SHEEt
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Desg Secfcos
udecge D
Please provide the desired machine specications.
Normal direction o travel: Working A B Traveling A B
WA
= Total machine upper weight (all OEM-manuactured components above the track rames): lb (kg)
WB
= Undercarriage weight (leave blank i purchasing lowers): lb (kg) Manuacturer: Caterpillar OEM
W = Gross vehicle weight - WA + WB (include additional components that may increase machine operating weight):Empty lb (kg) Loaded lb (kg)
L = Overall track length desired: in (mm)
LT
= Distance between sprocket and idler centerlines: in (mm)
G = Track gauge (centerline distance between sprockets): in (mm)
CX
= Horizontal center o gravity (location measured rom idler centerline):
Empty in (mm) Loaded in (mm)
CY
= Vertical center o gravity (location measured rom ground line):
Empty in (mm) Loaded in (mm)
CZ
= Lateral center o gravity (location measured rom right track when viewing machine rom sprocket end):
Empty in (mm) Loaded in (mm)
D = Sprocket pitch diameter: in (mm)H = Track height: in (mm)
T = Track shoe width: in (mm) Ground pressure: psi (kPa)
Track shoe style: Single grouser Double grouser Triple grouser Clipped Mud slot
Track roller rame mounting: Bolt-on Oscillating Weld-on
powe t D
Gross engine power: hp (kW) Rated engine speed: rpm
Hydraulic system: Open loop Closed loop Flushing valve: Yes No
Counterbalance valves: Yes No
Other motor controls (describe):
No. o pumps: Pump displacement: in (cc) Pump relie pressure: psi (bar) Pump speed: rpm
Charge pressure: psi (bar) Track motor displacement: Max in (cc) Min in (cc)
Final drive ratio: Desired machine drawbar pull: lb (kg)
(Please attach any miscellaneous drawings or related inormation that may aect the vehicle design.)
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Manuacturer DateAddress Questionnare arranged by
Phone Fax E-mail
M Mche D
Type o vehicle Machine model
Total machine weight Total machine weight
without payload (mton) without payload (mton)
Pick and carry load (mton) Upper structure weight (mton)Gradeability (%) Max travel speed (Km/h)
Engine HP Swing torque (daNm)
Ring gear date (type/description)
Hydc Sysem D
Travel pressure (bar) Oil fow per track (l/min)
Hydraulic pumps description
Open or close loop Pumps rpm
Desg Secfcos (write desired values in mm)
MOBilE CranE unDErCarriaGE Data SHEEt
M(ton.m)
F(ton.m)
a B h H M S k1 k2 t Diam M Diam n
Chain
pitch
Coewegh d
G (mo) g (mm)
Boom d
a (mo) (mm)
uppe weght dt (w/ot coteweght)
Omx (mo) o (mm)
Mx g ccy d
Qmx (mo) l (mm)
pw=Max ground load on one idler (sprocket) due to360 upper rotation (with liting capacity valuedetermining the maximum Pw value):
RMK: please detail already used components
NOTE: Please enclose specic inquiry with any other technical datum and drawing. NOTE: Please provide inormation about orecasted quantities and required delivery tim
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a B h H M S k1 k2 t Diam M Diam n Chainpitch
Manuacturer DateAddress Questionnare arranged by
Phone Fax E-mail
M Mche D
Type o vehicle Machine model
Total machine weight Total machine weight
without payload (mton) without payload (mton)
Pick and carry load (mton) Upper structure weight (mton)Gradeability (%) Max travel speed (Km/h)
Engine HP Swing torque (daNm)
Ring gear date (type...description...)
Hydc Sysem D
Travel pressure (bar) Oil fow per track (l/m ln)
Slew motor pressure (bar) Slewing oil fow (l/m ln)
Hydraulic pumps description
Open or close loop Pumps rpm
Others
Desg Secfcos (write desired values in mm)
variaBlE GauGE unDErCarriaGE Data SHEEt
M(ton.m)
F(ton.m)
RMK: please detail already used components
NOTE: Please enclose specic inquiry with any other technical datum and drawing. NOTE: Please provide inormation about orecasted quantities and required delivery tim
ageme
Single track sides
Fixed U/C with carbody
Variable gauge undercarriage
Slewing gearbox + motor
Other (speciy)
Undercarriage with cross members
Fixed U/C with carbody and ront blade
Slewing gearbox + motor
Swivel joint
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300 Hamilton Blvd., LQ1900
Peoria, IL USA 61629
Tel: 877.OEM.SOLU (US Only)
Tel: 309.636.1100
Fax: 309.636.1087
7 Tractor Road, Jurong Town
Singapore 627968
Tel: 65.6.662.8345
Fax: 65.6.662.8347
76, Route de Frontenex
1211 Geneva 6, Switzerland
Tel: 41.22.849.4217
Fax: 41.22.849.4075
3700, Tana
Sagamihara-shi Kanagawa 229-1192
Japan
Tel : +81.42.764.8690
Fax : +81.42.764.8693
Room 1701, China Lie Tower
No.16, Chaoyangmenwai Ave.
Beijing 100020, P.R. China
Tel: 86.10.5921.0448
Fax: 86.10.5921.0099
1 Caterpillar Drive
Private Mail Bag 4
Tullamarine
Victoria 3043 Australia
Tel: 61.3.9953.9365
Fax: 61.3.9953.9530
C OEM Soos
www.c.com
CAT, CATERPILLAR, their respective logo s, Caterpillar Yellow and the POWER
EDGE trade dress, as well as corporate and product identity used herein,
2007 CaterpillarAll Rights ReservedP i d i USA
CuStOM traCk SErviCEOur specialized Custom Track Service (CTS) team can provide in-depth assistance by monitoring perormance, providing
wear-rate calculations, planning maintenance and identiying the most economical repair options.
COntaCt CatErpillar
Putting your machinesand businesson rm gound can begin with a single phone call. For more inormation about Cat
undercarriage systems and components or OEM customers, please contact us via e-mail at [email protected] or
by calling 800.OEM.SOLU.
Cat Dealers oer a variety o
specialized services or OEMs
and machine operators, including
bushing turns, roller reshelling,
roller swapping, idler resuracing
and track shoe regrousering.
You can count on Caterpillars
global distribution and support
systemno matter where you,
your machines or your customers
are located.