despiece de motor 3304 cat
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8/10/2019 despiece de motor 3304 cat
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uality
caterpittar
Replacement'parts
re
avail-
able
from
caterpillar
dearers
hroughout,,ths
world.
Their
parts
stocks
are up
to
date
and
all
parts
normally
required
o
protect
your
investment
nachines.
When'orderingparts,
always
use
the
Book
covering
he serial
number
of
your
machine.
our
should
specify
he
quantity,
part
number,
part
name
and
the
machine
erialnumber
or
which
the
parts
are
needed.
doubt about he part number,please rovideyour dealer
complete
escription
f the
needed
tem.
TO
USE
THE
Caterpillar Parts
Books
BOOK
include
illustrations
of
the
groups
or
assem-
whch
make
up
the
machine.
These
il-
the
standard
componeng of
machine
plus
many of
the attachmenG
for
the
machine.
alphabetical
ndex
located in
the front
of the
book
should
be
used
to
deter-
page
number
on
which specific
shown.
Reference
o those
will
identify
each of
the individual
parts.
capton under each illustration identifies
paft
number
and name
of the
group
or
shown,
lf
more than
one
illustra-
included
for
any
group,
the
caption
the
specific
machine
serial
num-
which
eacf
illustraton
applies.
In
cases t
is not
possible
to determne
the
machine
erial
numbers
o which
dif.
illustrations
are applicabfe.
In
thoe
he
caption
identifies
the
if ustraton
as
Tyge", "second Type", etc. Rgfer,
the
actual
group
or
assembly
is
nec-
tho*
cass o
determine
which
il-
should
be
used.
provide
additionat
information
SEESPECIFICATIONS
LOCATION
OF SERIAL
NUMBEF
PLATES
lndentedPart
Narnes
Within
each
llustration
s a
parts
ist identi.
fying
each
serviceable
art
n
the illustration.
Whena
part
name
s
indented
n
this lst,
t
means hat
servceable
tem
is a
part
of the
serviceabletem underwhich it is indented.
Abheviationr and
Symbol
A Used
o
call
attention
o additional
O
information
shown
elsewhere
ith-
in the
illustration.
R.H.
R ght
Hand
Refers
o the sideof
the
L.H. Left
Hand
nchine
ss
vierred
rom
the
operator's
oomFrtment.
C Indictes
hanges
rom
the
previous
illustrationof the same roupor
assembly.
O.D. Outside
Diameter
l.D.
Inside
Diameter
N/S
Not
Serviced
Assem.
Assembly
in. Inch
ft
Foot
cm C.ntimetre
dm Decimetre
Note:
C;ontinuing
mprovement
and
advancement
of
product
design
may cause hange
to
your
machine
which
may not
be included n this
publication.
Each
publication
s reyiewed
and
twised,
as
required,
o
update and
in-
clude
h6o changes
n
later editions.
Whenwer
a
question
ariis regarding
your
Caterpillar'product,'or
.tliis
publication,
please
onsult
your
Clteriillar
dealer
or the
latestavailablenformation.
as
page
numbers
where
llustrations
f
assemblies
re
shown,
information
re-
quantities
used
and other
informa-
intended
o assist
he
user in
deter-
parts needs.
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Motor Bsico(Pgina
8)
Pgina
Arbolde
evas.
25
Bielas
pistn
24
Bloque
e
motor
20
Cajadelantera. . 29
Caja
del
volante.
34
Cncamo
29
Crter
34
Cioeal 22
Cojinetes.de
ancada
23
Conjunto
de
motor
bsico.
tB
Culata
26
EngranaiescomPensadores
.
'
25
Enranaiesdesincronizacin.' ' 31
Exiensin
e
vaciado
el
aceite
'
37
Hrraiesde
a
caia
delantera.
. . '
30
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Tapa
protectora
el
tubo
de
llenado
el
aceite el
motor.
.
Tuberas
el aceite.
Tubo de l lenado el aceite.Tubo
de l lenado
el aceite
de la
ransmisin.
Sistema e Enfriamiento
(Pgina
31
Bombadel agua.
Caja
y
regulador
Calentador
el
agua
e las
camisas
Enfriador
el aceite
de la transmisin.
Enfriador
del
aceitddelmotor
. . .
Enfriador
el
aceite
idrulico
. .
Mando
del
venti lador
. .
Proteccin soportedel rad ador
Radiador
Tapa
protectora
el radiador
.
. .
4
3
4
4
4
4
5
4
4
4
4
51
5
4
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Nombre
Pgin
Corona
. .
.,14
Dispositivoara
inf larneumticos.
. . . . :152
Engranajesdetransferencia.
. .
. 11
Filtrode
atransmisin.
. .
. . . .
13
Mandof inal . . . .150
Rueda
. . . .153
Tapasytndem.
. . ,151
Trabadeldi ferencial
.
. . i13
Transmisin. . . . . ,11
Transmisin
lanetaria.
.
.
.
.
. .
12
Tren
de
potencia
.
.
11
Tuberfasde
atransmisin.
.
. .
.
13
Vlvula
e
control
depresinmxima. . . . i28
Vlvula
e controlde
presin
mximayselectora
. . .133
Frenos
(Pgina
551
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g n
Bomba
e
cebado
delcombustible.
7
Controf efregulador. . . . . . . . . 6
Control
de
par
Fiftro
del combustible 74
Regulador bombas
de
inyeccindelcombustible. . . 64
Separadorde
gua
75
Tanguedel
combustible
. . . .
.
.
76
Tapa
del
regulador. 72
Tapaprotectoradel tanque
del combustible. 75
Tuberas
e
inyeccin
delcombustible. 73
Tuberasdelombust ib le. . . . . 75
Sistema
de
Arranque Elctrico
(Pgina77l
Alarma
para
etroceso . 11
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oterolde lo copolo . . . . . . . . . .
oire
. .182
Confroles e lo
hoio, sistemo
hidrulico
y
de direccin
(Psno
90)
montoie . . . . . ,234
de
orticulocin
montoje
,.2l9
de desplozomiento
oterol
de
lo hoio
y
montoie
. . . .
. . .203
de escorificodor
montoie
.264
de
inclinocin
e
lo
hoio
y
montoie
de
inclinocin e
los
ruedos
y
monioie
. . . .
.219
de lo cremollero urvodoy
montoie
. . . . . . .19
e
lo
direccin
montoie
..
.215
de
levontomiento
e
lo
hoio
y
montoie . . .
;
. .
. .
.203
ontrol
e lo direccin
.
.. .. .215
de
trobo
de
lo cremollero
curvodo
.. . . . . .198
idrul ico
.
, . . .
.260
Levontomientoe lo hoio . ....204
ondode
lo
bombo
.
...
.
"
"
'225
Mondo
el crculo
. . . . . . ' .190
onque
idrulico
.
..
. .
.222
Topo
protectoro
el
tonque
hidrulico
24
Trobo
de lo cremol lero
urvodo
..
- . '19
Tuberiose
grticulocin
.
.. .. .217
Tuberos e
cilindro
de
levontomiento
0.|
Tuberos
e desplozomiento
e
lo
hoio 210
Tuberos e inclinocin e lo hoio . .. .209
Tuberqs
e
inclinocin
e
los
ruedos
220
Tuberos
e
lo bombo
.
.
.
. . . . .226
lo cremollero
urvodo
. ..200
uberos
e lo
direccin
.
.
- . . .212
Tuberos
el
motor
del
crculo
. .195
uberos
idrulicos
e
escorificodot
26
Vori l lo ie
vlvulo
. . . . .238
lmplementos
(Pginq
70)
scor co orn . .. .
Extensin
e
lo
hoio
. . . .27
Hoio
. . . . : . . . . . . .272
Hoio hidrulico
.
Hoiohidrul ico punto
' . . .
. .271
Hoio mecnico
..
. . .. .27
Punto.
. . . r , . . . . . .278
I
Cobino, nslrumentos
occesoros
(Psino
28O)
Acondicionodor
e
oire
. . . .
. . .30
Affombro
el
piso
. . . . .28
Asiento
Bocino lctr ico
. . . . . . . 31
Colentodor
e
lo cobino
.. . . .
. .
'
. . .32
Compresor
e
refrigeronle
..:. .
. .. .30
Consolo
el operodor
. .
. . .
. ; . . .
. . .30
Espeio
e
visto
rosero
.
.. .
.. ..29
lndicodor e
orticulocin
.
lnstrumentos. . .
. . . . . . . . . . . ' .31
Lovodorde orobr isos. . . . . . .2?
timpioporobrisos
...
..
. .29
Mondo
de
tocgrofo
. .
. . . .
. .3 l
Proteccin
onlro
ondol ismo.. . . .
. .31
Sistemo
e
estructuro
Protectoro
contro
uelcos
..
' .
"
'28
Suspensin
el
osiento
. . . . . . . .31,
Venti lodor escongelodor
.
...29
Moterioles
diversos
(Pgino
322)
Colcomonos
..
Especi f icociones..
. ' . . . . . .33
Goto.
-" ' , " ""321
Herromientos
' """ '321
Juegos
e
empoqueloduros
.
,.
.32
l -
278.
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t
2OG MOTOR
GRADER
CoNs
srs
oF:
CENTRAL
TRUCTURE
Pce
UPPER
STRUCTURE
1
2P6540
1
2P6495
1
2P6218
1
2P6224
4
95891
1 2P62O1
1
556425
't
2P6484
1
2P6544
1
2P6524
1
2P6514
1 1P3840
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1
6N8326
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. .
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23
24
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SAUCTURE
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1
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I
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1
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2P6529
2P6498
2P9642
2P6246
3P128
3P1
3
288
30
30
31
31
33
24
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STRUCTURE
1 2P9644
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1
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1
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S]RUCTURE
34A
33
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8/10/2019 despiece de motor 3304 cat
8/59
Pce
Cot' ls
sTS
oF:
LUBR
CATION
SYSTEM
1
1
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I
t
t
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SYSTEM
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INDEX
FoR
PAGE
LOCATION
F
GASKET
ITS
-r
74
64
13
t5A
12
738
113
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.I9A
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Hue
cnou'
: : . : ; : , : . : : : : : . : : :
F5-t i tLy\. /HEEL
Gnoup
.
. . . . ,
, . . . .
33
34A
3:Llg:.ry".,.78p4oeoo
o
?iA';;;
aaaaaaaa.aaa
78P47087--Up
eNsol
4
Fuvwxeeu
Housrt ' c
Gnoup
.. . . , , . . r . . . . . . , .
348
en
r
L
No.
7Ap4967
to
7Bp47OeO
iHc
u"
rve
SERIAL
UMBER
-
8/10/2019 despiece de motor 3304 cat
10/59
Pcr
CoNs
sTs
LOhIER
STRUCTURE
1 2P61
55
O t- PH
1 2Po189
O
t-
PN
LUBRCATION
SYSTEM
34
42
368
1
I
i
I
I
1
1
COOLING
YSTEM
6N8952
-oR
7N6206
2P61
88
-oR
7N1211
2?6215
2P6508
INTAKE
AND
EXHAUST
YSTEM
OIL
PUMP
GnouP
.. . . . . . . . . . .
Orl
FILTER
GRoUP
.. ' . . . . '
Otu
LeveL
GAUGE
Gnoup
.."." ' " . ."""
36
Otu
LINES
GRoUP
.r. ."""o'
"""
398
Olf-
FILLER
GnOUp
... . . . . . . . . . . . . . . . . . . .
40
VJren
PulP
GRoUP
.. . . . . . .
\ laren
PuP
GnouP
.
. . o
VJareR
LtNes
GnouP
."".."" '
\ , / teR
LHes
Gnoup
.. . . . . " "
. . " " "
""
Or
t- CooueR
GRoUP--ENclxe
ott -
cooueR
GRoup--TnlNst" l lSs
loN
"
""
. . '
1P4244
2P'f7A4
2P6415
2P6491
2P6512
2P6855
4N3923
4N6856
4N80s6
41.19584
v't4144
2P6511
2P96't3
4sD
t+5
438.
.+t
46
t
I
1
1
TuneocHnce,n
OIL
LINEs
GRoUP
""" '
TuneocxeRGER
GRoUP
o.
"
" 'oo'
i
AIR
CoMPREssoR
LtNes
Gnoup
"""" . . . . '
ExHeust
Maulrouo
FlsreHEn
GRouP
AIR
LINEs
GRoUP
o...
30
54
56A
A
3t
2
568
xHusT
Merulrouo
GnouP
A t
n CoMPRESSoR
GRoUP
..
a a a.
a.
a a
t
a
a
a.
a a
ta
a
a a a.
a.
aa
a
a. aa
"'
FUEL SYSTEM ND GOVERNOR
4N3287
-oR
8N4454
41.13303
41.1451O
6N288
7N3461
7N3651
FuEl
Pn
tMING
Pue GnouP
.
Fuel
PnlMlNG
Put '1p
GnouP
" . . . "
.74A-2
74
Fueu
F|LTER
GnouP
'" ' ' ' " ' ' "
GoveRnoR
Coven
Gnoup
.o ' . '
' " ' " ' ' '
GoveRHoR
Ho FueL lNJEcTloN
PUMP
Gnoup
Fueu
lN.ecrto
LlHgs
GRoUP
c'
DR
I
l
L tNes
GnouP
. . .
.
'
12
64A
73A
738
1 5S85OO
Guow
Ptuc
GRour
". . . .""""
113
NOTE:
REFER
TO
INDEX
FOR
PAGE LOCATION
OF
GASKET
KITS
BASIC
ENGINE
.t98
-
8/10/2019 despiece de motor 3304 cat
11/59
,t9c
CATERPILLAR
I2OG
MOTOR
ERADER
Cor,s
sts or:
CEN]RALSTRUCTURE
2P9641
2P6529
2P6498
2P9642
2P62&
-oR-
7N9589
3Pt
03
7l{4147
-oR
r P9586
Peee
I
1
1
I
4
'l
1
2P654O
CyttNoea
Buocr
Gnoup
.. , .q. . . r . . . . . . . . . .
-OR-
nl8Ol4
CyulNoen Buocr
Gnoup
.
o.
. o .
. . .
r . . . . . . . .
2P6495
Cvt l t oen
BLocx
CovEn
Gnoup . . . . . . . . . . . . . .
-OR
7NlOBB
Cvu NoEn
Buocx
CovER
Gnoup . . .
. . o.
. . . . .
.
2P6218
CnNxsxeFT
GRoup . . . . .
. . . . . . . . . . . . .
-OR-
6NBO8O
CRtxsxrr
Gaoup
. .
, .
.
o. . , . . .
.
o. . . . . . . . .
2P6224 CntNxsxtFT SEAL GRoup o.. . . . . . . . . . o. r . . .
958912
CoNNect lNG
Roo No PlsroN
Gnoup
.. . . . . . .
2P62O1
ClusxeFT
GRoup
j. . .
o. . . . . . . . . . . . . . . .
r . . .
556425
BLHceR
Gnoup . . . . .
.
r . . . . . . . .
20
20A
t9F
20
22
24
23'
24
25
3
UPPER TRUCTURE
2P664
Cvlruoen
Heo
Gaoup
.o. . . .o . . . . . . . . . . .
26
-oR-
6N81Ol CyulNoeR
Helo
Gnoup
oo.o. . . . . . . . . . . . . .
. .26A-2
2P6W
Cvt- lNoan
Heeo
Fsrer.en
Gnoup r . . . . . . . . .
27
-oR
9N9534
Cvl lHoen Heto
Fsrexen
GRoup
,. . . . . . .o , .
Z7B
2P6524
Vauve
Mecnenls.1
Gnoup . . . . . . . . . . . . , . . . .o
Zg
-oR
7N8O24
Velve
MECHANtsM,GRoup
.. . . r . . . . . . . . . . . . .
ZgA
2P6514
Vtuve
Mecxlr. t
tsM
CovER
Gnoup .
.
. . . . . .
. . . .
Zg
6N8326 Ltrf lHc
Gnoup .o. . . . . . . . . . . . . . . . . . . . . . . .
2gB
-
oR
-
SentAL
No,78P4O9OO
ro
7Bp46gO7
tNcLustvE
7N9122
LIFT|NG
GRoup
..r . ,
. . . . .
. . . . . .
298
Sen
tL
No.
78P468O8--Up
FRONT
STRUCTURE
I
'l
1
288
30
30
3l
3 l
3lB
24
328
1
1
1
32C
REAR
STRUCTURE
2P61
6
1
P9581
F-vwneu
Hous Nc
GRoup
.
.
FLvwxeeu
GRoup
. .
. . . . . . .
.
-
8/10/2019 despiece de motor 3304 cat
12/59
BASIC ENGINE
t9D
CoNs
lsTS
oF:
Lov/EB_g_rRUg-lrEE
1 2P6155
Ou
PrN
1 2P6189
OIL
PAN
LUBRCAT
ON
SYSTEM
2P1784
2P6512
2P6475
2P6855
lP4244
2P6491
COOLING
YSTEM
1
6N89s2
-OR-
1
7N6206
1
2P61
88
-oR
1 7N7211
1
2P6?15
1
2P6508
INTAKE
AND
EXHAUST
YSTEM
7N414.
2P6571
4N9584
4N6856
4tt3923
2P961
4tl8056
FUEL SYSTEM
AND
GOVERNOR
PA
GE
Waren
Pu lp
GnouP
.
r
. .
. .
.
. . . . . . . . . . . .
. . . .
45B
VJATER
Puap
Gnoup
. . . . . .
.
.
. :
. .
45D
\IATER
Ltes Gaoup
. . . . . . . . . , .
43
l ' / rgn Ltnes Gnoup .. . . . . . . . . 438
OtL
CooLER
GRoUP--ENGINE
.. . .
. . . . .
47
Ott-
Coot-ER
GRoup--TneNs,r lss loN
o.. . . . . . .
46
34
Jf
J9
40
40
42
Atn LINES GROUP
... ' . . . . . . . . . . . . . . . . . . . .
578
Exxusr
MANIFoLD Gnoup
.. . . . . . . . r . . . . . . .
52
ExHAUST
MaH
rolo
FsreNen
GRoup
.. .
.
.
.
. .
54
TuneocFtnRGER
GRouP
.. . . . . . . . . . . . . , . . . . . .
54
TuReocHlncER OtL LtNes GRoup .r. . . . . . . . . 56
AIR
CorpnEssoR
GRoup
.. . . .
. . . . . . . r .
568
A rn CorpREssoR
LtHes
GRoup
.. . . . 56A
1
4N3303
r
4N3287
-oR
't
8N4454
1 6N5735
1
7N3461
1
4N45lO
1
7N3651
Fueu FTLTER
GnouP
.. . . .
. . . . . . .
Fueu
PnlMlNG
Pup
GnouP
.. .
. . . . . . . .
Fueu
PntMrNG
Pup
GnouP
.. . . . . . . . . .
74A,
Govennon AND FUEL lNuecrtoN PuMp Gnoup . 644
Fueu
lHuecr lon
Ltes
Gnoup
o. . . . .
73A
GoveRoR
CovEn
GRoup
.. . . . . . . . . . . .
72
DRAIN Lres
Gnoup
738
'74
74
STARTING
ND
ELECTR
CAL
SYSTEM
-
8/10/2019 despiece de motor 3304 cat
13/59
.., . f
;5
,$F
reE
CATERPILLAR
2Oc MOTORTRAOFR
Cos
r
srs
o
F:
Pne
e
1 6N5735
Fugu
Puup
Gnoup
. . . . . . . . r . . . . . . . . . . ' . . . . 64
1
3P134
Bstc Erue
Hr
AnR ' lceMgNT
r. . . . . t r . . . . . .
18
6N5537
ENGINE
ROCUREMENT
RBANGEMENT
33O4 EngineSerial
No.
78P27439
to 78P4O899
nclusive.
OR
USE
WITH2G4120
SpECTATR
SOUND
SUPPRESSTON
BRANGEMENT
ISTEDON
PAGE
17oC. NOTE:
WHENORDERING
ARTSGIVE
ENGINE
RBANGEMENT
ND
SERIAL
UMBEH
-
8/10/2019 despiece de motor 3304 cat
14/59
BASIC
ENGINE
l9F
c
c
c
, 'nl
,,\--n
I
YilDtR
Bt cK
'h--o
I
I
C INDICATTS
HAI,GT
2P6495 CYLINDERBLOCKCOVERSGROUP
Engine
SerialNo.
78P18799
to
78P4O787
nclusive
tc l
to
'AiT
t,lli
tx6lr?froi n
I
2
)
4
5
I
E
9
It35t
8I.E
t sE0r5
5n2891
?Atl9E
8SE7
8St77
l A
zoz0
t
rri190
tM2250
NMtz67
18 3E7
48393E
Botr---
l0
t2
?
l
I
I
I
I
PLUG---
cr(.915
n.
danrler
. -0R'
PIUG--
9
cmll
3E
n.
dianler
2l t l17
-
8/10/2019 despiece de motor 3304 cat
15/59
20
CATERPILIAR
2OG
MOTOR
GRADER
at
ilo
?er
t
i
otscRrtlroal
lfl
I
2
,
a
,
6
1
t
9
l0
I
I tgrE
?Alt9E
tA2029
I
2
2
4
I
t
t
I
2
I
totq
|t
2250
ri l l90t
ttt62
t
5 05t
t l t5 l
t | ara,
--r1-t*J
L
-r.JJ-
7N1088
CYUNDER LOCKCOVERS
GROUP
EngineSerlal
No.
78P47O88-Up
-
8/10/2019 despiece de motor 3304 cat
16/59
20
ENGINE
o
o)
(
c
p
s9
t
e
i
sT
c)
ol
6
z
@
=.O
-S--
YI-
AP
ll--r-
\tu9-
- -a--l ' -a-_
I
I
I
I
I
I
I
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I
I
I
I
I
fe
t .8
iE
g
l .
fiB
?13
1
I
I
I
I
I
I
I
I
I
I
I
I
t
l
al
tl
ll
tl
tl
rl
r t
tl
ll
t
,l
,l
It
tl
, l
tl
t
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