Westerbeke 33a User manual

SDlOOth quiet efficient
power in a cODlpact 33 hp
Dlarine diesel engine
FEATURES:
• Electric fuel lift pump
• Gear driven sea wat er pump
• Very compact. Onl y 24. 8" high
• Width is a narrow 18 .7"
•
Flywheel housing taper ed for tight fits
• 16 " or 18" mountin g width
• Front or rear exhaust outl ets
WESTER.EKE 3311 PERFORMANCI CURVIS
At Westerbeke we
have always maintained
aconservati
ve policy In 30
rating our marine engines .
VVe havesupported these
fi gures by accurate tech- ~
ni eal graphs. ~
We recommend. before ~ 20
purchasing any engine. !Ii.
that you evaluate and ~
compare the various marr
ufacturers' power charts ,
as they relate to horse-
power,particularly in the
R.P.M.s
in wh ic hyou ex -
pect to operate.
The Weste rOO ks 338
with 91 c ub ic i nch di s-
placemen t, develops use-
,
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M AXI MUM
CONTI N UOUS
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MA)(I MU M- ./
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CONTINUOUS
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Y
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CONTI N UOUS
,
,
,
..., .,.,
E NG INES PEE D RPM
able horsepower of 24 hp@ 2000 RPM and 31 lip @ 3000 RPM.
Remember, displacement and horsepower are proportional!
INSTALLATIONCOMPARISON CHART
In II'IC* and Lt. . ·WfTr.nemIMkIn
Your enjoyment and pride of ownership is assured with a Westerbeke 33a in your boat.
ENGINES: 10, 13., 1B, 21., 27., 33., 46, 52, !IB, 70, 100,

A rugged four cylinder, four cycle Dlarine engine
Fe.ture.
• Qualit y Constr uction - fresh water cooling with ther-
mostatic cont rols, 50 amp alternator with radio shieldin g,
metallic water piping wherever possible for endurance,
cog-type alternator belts reduce slippage, glow plug cold
weather starting aid, over-sized 3" diameter heat
exchanger.
• Parts Only -nationwide stock of parts for Westerbeke
engin
es and generators means better service from an ex-
panding network of stocking distributors and dealers.
• Self Bleeding Fuel System -restarts after running out
of fuel without manual air bleeding.
• Lig ht Weight - aluminum water-cooled two-pass exhaust
manifold
and flywheel housing. save weight without
sacrificing cast iron head and block.
• Ease of Maintenance -removable end caps on heat e x-
changer for easy clean out , convenient oil drain system
needs no hand pump , aU wiring is led to a single 8-pin con-
nector; heavy duty zinc anodes for heat exc han ger,
• Exceptional Quietness - custom designed, tuned intake
silencer reduces
intake air noise; modern swirl type com-
bustion chamber design softens diesel clatter,
St.nd.rd Equipment
• Alarm, low pressure , high water temperature · Short pro -
file 2-1 manual transmission · Adjustable flex isolator engine
mounts · Fresh water cooling system · Coolant recovery
tank · 12 volt 50 ampere alternator · Glow plug cold weather
starting aid . Throttle, stop , and shift control brackets
• Operators manual · Engine pre-wired at the factory with a
single 8
pin connector . Wat er injected exhaust elbow
• Flowcontroller-for easy connection of domestic hot water
heater
Option. I Equipment
• Various accessory front pulleys · Hydro-Hush Muffler
• Sea Wat er Strainer · Alternator Output Splitter · Various
optional transmissions . Front exhaust outlet for Vee Drive
applications
Perform.nce D.t.
Maximum Power Output. . . . . . . . . . .. .33/3000 RPM
1pical Fuel Consumption Rate ............ 063US gaUHP/ hr
Typical Fuel Consumption Rate at 2500 RPM
When Wheeled to 'furn 3000 RPM ........ 1.2US gaUhr
Capacity of Lubricant. .......................... 4.2 Qts
Capacity
of Coolant. ................. . ........... 8 Qts
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DELUXE MULTI-FUNCTION
ELECTRIC INSTRUMENT PANEL
In cludes hour meter, tachometer,
water temperature and oil
~:t?'..:::'" pressure guages, battery
voltmeter, key switch, preheat
and start buttons, 1
5' connector,
engine to instrument panel.
Speclflc.tlon.
Model Number ........ _. . . . . . .... Weste rb eke 33a
Engine Type
.............. 4 cycle. water cooled. naturally
aspirated, vertical
over head valve, diesel engine
Cylinde'r
arrangement , , , , , . , , , , . ' , . , , .4 cylinders in line
Bore & Stroke
.............. 3. 07 " x 3.07"178mm. x 78mm.)
Displace
ment. """" ", 91 cubic inch (1.490 litre)
Compression ratio , , , , , , , , , , , , , , , , , . , , , , , , ,23 to 1
No, of main bearings, , , . , , , , , , ' . , , , , , , , , , , , , , , , , , , , ,5
Fuel Injection
Pump , , , ,Bosch typ e with individual plungers
Injectors , . , , , . , , . .
... , , , , , , , , , , , , , , , , , ,Pintle type
Combustion
Chamber , , , , , ,Swirl type for easy starting and
quiet ope ration
Firing
order , , , , , , , , , , , , , , , , , , , , ' , , , . , , , , , , ' .. ,1-3-4-2
Governor , , , . , , . , , , , , , . , , , . ,Mechanical centrifugal type
Fuel filter ,
.. , . , , , , , , , . .. . , , , . , , , . , ,Pap er el emen t type
Lubricating device . , , ,Forced lubrication by trochoid
pump
Lub, oil filter "",,' , FuU flow, spin on, paper element type
Starting
motor , , , , , , , , , ' , , ,Geared electric motor , 12 Volt.
Starting aid
............... 12 Volt.s heathed type glow plug
Fuel
pump ... .............. ....... Electric plunger type
Dry weight of engine (w /trans .) .................... _.480
P
owe r take-off, , , , , , , , , , , . , , , ,Various crankshaft pulleys
Propeller Rotation
.......................... Right hand
Siphon Coupling Straight
",.ak
WESTERBEKE
Call your Westerbeke representative
AVONINDUSTRIALPARK, AVON ,MA 02322.()1S1 ·[phone]
CABLE: WESTCORP, AVON· TELEX: 92-4444 Prlntltd in U.S.
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-3200
3<002 /;c- -,- -
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A COMPACTFOUR CYLINDERFOUR CYCLE MARINE ENGINE
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QUALITY CONSTRUCTION -fr es h water cooling with therm o-
static co ntr o ls . 50 amp alte rnator wi th radio s hi eldin g. metallic
water piping wher
eve r po ssible for endu ran ce . r og -type alte rnator
belts re du ce slippag e. glow'plug cold weather starting aid, over-
sized 3" diameter heat exchanger. shut-off fu nction built into
throttle
co ntr ol. cast ir on he ad and bl oc k for long lif e.
PARTS SUPPLY -natio nwid e st oc k of parts for We st erbeke
engin
es and ge nerato rs me an s be ll er se rvi ce from an expanding
network of st
oc king distributors and de al er s.
EXCEPTIONAL SMOOTHNESS - 4cylinder 4 cycle engin e.
high inertia fl ywh ee l. vibration i so lating mOllnt s.
SELF BLEED INC FUEL SYSTEM -R eSlail Safter runn ing O UI of
fuel without manual air bleeding.
VERY LICHT WEICHT -aluminulll wate r- cooled two pas s
exhaust manifold and flywheel hou
si n g, save we ight witho ut sa c·
rificing cast iron head and bl oc k.
EASE OF MAINTENANCE -removable end ca ps on he at ex-
chan ge r for ea sy d ea n out. co n ve nient oil drain system n ee ds no
hand pump, all wiring is led to a single
B· pin co nnector: heavy
duty zinc anod
es for he at exchan ge r.
EXCEPT I ONAL QUIETNESS -custom designed. tuned intake
silencer re
du ces intake ai r no is e; modern swirl type co mbustion
chamber d
es i gn so ft ens d iese l clatter.
STANDARD EQUIPMENT
Alarm, low oil pressure, high water temperature
Short profile
2-1 manual trans missi on
Adjustable
(l ex isolator engine mounts (15 " on ce ntre)
Fr
esh water coo ling system . Coo lant r ec overy tank
12 volt 50 ampere alternator · Gl ow pl ug co ld weather starting aid
Throttl
e, stop, and shift co ntrol bracke ts · Op erators manual
Eng ine pr e-wired at th e f ac tory with a single 8 pin conn ec tor
Water injec
ted exhaust elbow . Fl owcontrolle r-f or easy c on n ec-
tion of domestic hot water heater
OPTIONAL EQUIPMENT
Va rious accesso ry front pulleys
Hydro
-H us h Mu ff ler
Sea Wa ter Strainer
Altern
at or Outp ut Splitter
Fi ve fu n rtio n F.le("t ri(' I nst ru ment Panel including Hour Meter and
T
ac hometer
Va rious optional transmissions
Front exhau
st outlet for Vee Drive applic at ions
PERFO RM ANCE CU R VES
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INT£A Ml mNT 7J
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ENGINE SPEED RPM
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PERFORMANCE DATA
Maximum Power Output .......... . .
.... 33 / 3 00 0 RPM
Typical Fuel Co nsumpl ion Ral e . . . . . .
063 USg al / HP /hr
Typical Fue l Co nsumplion Rat eat 25 00 RPM
When Wh eeled (0 Tum 3000 RPM ............. loWS gal /hr
Capacity of
Lu bricant. .
Capacity of Coo lant ..
. .... 4.2 Qts
. ......... 8 Qts
SPECIFICATIONS
Model Numher ............................. We st erbeke 33
EngineType . . . . .4 cycle. water cooled. na turally
as pirated. vertical overhead va lve. dies el en gi ne
Cy linder arrangement ...... 4 c ylind ersin line
Bore & Stroke . .
... 3. 07 "x 3. 07 " (78 mm .x78 mm .)
Displflcement ............ 91cubic inch (1.490 litr e)
Compr essio n ratio ............................. 23 to 1 (
No. of main hearin
gs . . . . . . . . . . .... 5
Rotation . . . .
........ SA EStd. (cloc kw ise facing front end)
Fu el llljectioll Pump .......... B osc h D is trib ut or Type In dividu al
plun ge r fn r eac h cylinder. ca m driven in a precision
housing Illilchin ed in block for rigidity and acc uracy.
R eg ul ator . ...Ie(built in typ
e)
In jectors . . . ......... . .
......... Pintle type
Comhustion Ch .ll11her . . . Sw irlt ype fo r ea sy starting and
qui
et operation
Firin !ol order . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1 -3-4 -2
Governor . . . . . . . . . . . .Merhanical ce ntrifugal type
F
uel filter . . ...................... Paper element type
I.u
i>ri{ 'ilt ing device . . .Forrcd lubriration by trochoid pump
L
ub. oil filter . . ....... Full flow. spin on. paper element type
Starting motor
................. Geare d el ect ric motor. l:l Volt.
Starting aid . . . .
........... 12 Volt sh ea th ed type glow plug
Fu el pump ............................ El ec tric plunger type
Dry weight of engine (w/ t
ra ns.) . . . .. 498 Ib s.
Power take-off .................... Variouscrankshaft pu lleys
CALL YOURWESTER BEKE REPRESENTATIVE
OR CONTACT THE ...
J. H. WESTERBEKE CORP.
Mar i ne 218415M
Avon I ndus tr ial Park, A vo n, MA 02322, (617) 588- 7700
Cable: Wes t co rp , A vo n, Telex: 92-4444

33,
_. • La ..

A COMPACT FOUR CYLINDER FOUR CYCLE MARINE ENGINE
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QUALITY CONSTRUCTION -fresh water cooling with thermo-
static controls. SO (Imp alternator with radio shield ing . metallic
water piping wherever possible for enduranc e. rn~-typ(' alternator
belts r educe slippage. glow ' plug cold weather starting aid. over-
sized ] " diameter h ea l exchanger. shut-off function buill into
throttl e contro l. (tIsl iron head and block for long life.
PARTS SUPPLY -nationwide stock of parIS for Westerbeke
engines and
ge nerators means belter service from an expanding
network of stocking distributors and dealers.
EXCEPTIONAL SMOOTHNESS - 4 cylinder 4 cycle engine.
high inertia flywh eel. v ibr ation isolating mounts.
SELF BLEEDINC FUEL SYSTEM -Resta rt s after running out of
fue l without manuaJ ai r bleed i ng .
VERY LIGHT WEICHT -aluminum water-cooled two pass
exhaust manifold and flywheel housing. save weight without 5.:1C-
rificing cast iron head an d hlnck.
EASE OF MAINTENANCE - remov"ble end caps on heal ex·
(han ge r for easy deem out. convenie nt nit drain system needs nil
hand pump. all wiring is led to a single H-p in ('onne('tor: heavy
ellJty zinc anodes for he;u exchanger.
EXCEPTIONAL OUIETNESS - cus l om designed. luned inlak e
silencer reduces intake air noise: modern swirl type combustion
chamber
desi~n softens diesel datter.
STANDARD EQUIPMENT
Short profi le 2-1 manual transmi ss ion • Propeller half coupling
Adjustahle flex isolator engine mounts (15 " on
ce ntr e)
Fresh water ('ooling sys tem · Conlant recovery tank
12 volt 50 ampere allernator • Glow plug cold weather starting aid
Throttle. stop
.• md shi ft control hrackets • Operators manual
Engine pre-wired at the factory with a single R pin connector
OPTIONAL EQUIPMENT
Various acces .liiory front pulleys
Walter Injected Exhaust Elhow
H ydro· Hu sh Muliler
Sea Water Strainer
Alternator Output S pl itter
Five function Ele('tri(' Instrument Panel includin~ Hour Meter and
Tachometer
Various optiflllal transmissions
Front exhitUst outlet for Vee Drive applications
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PERFORMA N CE CURVES
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ENGINE SPEED RPM
--- , ~ . n -- -PERFORMANCE DATA
Maximum Power Output ........ .
Typical Fuel Consumpt ion Rare ..
. ... 33 /3000 RPM
.063US gal/HP/hr
Typi ca l FuelConsumption Ra re ar 2500 RPM
When Wheeled to Tum 3000 RPM
...... I.2US gal/hr
Capacity of Lubri ca nt. . . . . . . . . . . . . 4.2 Qts
Capacity of Coolant. . .. . . . . . . . . . . . . . . . . . . . . . .. 8 Qts
SPECIFICATIONS
Model Numher .......... . ....... . .. . .. Westerbeke 33
Engine Type . . ....... . .4 cycle. water cooled. naturally
aspi rat ed. vertical overhead valve, diesel engine
Cylinder arrangeme nt ............... 4 cylinde rs in line
Bore & Si roko . . . . . . . . . . . . . 3.07 "x3. 07 " (78mm.x78mm.)
Displ.l('ement ........ 91 cubic inch (1.490 li tr e)
Compression ratio ......................... 23 to 1
Nfl. of main he<1rings . . . . . . . . . . . . .............. 5
Rotation . . ............. SAEStd. (c1o(' kwise facing front end)
Fuellnjel'tioll Pump . . . .Bosch Distributor Typ e Individual
plunger for each l'ylin der. cam driven in a precision
housing l11<1chined in bl ock for rigidity and .1cc uracy.
R eg ulator . . .................. IC(built in typ e)
Injectors . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Pintle type
Combustion Chamber . . S\ .. lirl type f or easy starting and
quiet operation
Firing order . . . . . . . . . .
1-3-4-2
Governor . . .Mechanical cen trifu gal type
Fuel filter . . ..................... . . .Paper element type
l.ubricating devin " . . . .Forced lubrication by trochoid pump
Luh. oil filler
.......... . .Full flow. spin O il . paper element tVD e
Sta rling motor . . ......... Geared electric motor, l:l Voll.
SIMtil1H aid . . 12 Volt sheathed type glow plug
Fu el pump . . . . . . . . . . . . . .Electric plunger type
Dry weight of engine (w/trans
.) . . . . . 498 I bs .
Po wer take-off ........... Va rious crank sha ft pulleys
CALL YOURWESTERBEKE REPRESENTATIVE
OR CONTACT THE. . .
J. H. WESTERBEKE CORP.
Mar ine NLP·2t82 - 7500
Avon Industrial Park, Avon, MA 02322, [phone]
Cable: Westcorp, Avon, Tele x: 92·4444
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