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Detmit Diesel Engines marine models8V-71TI435 hp
specificationsBasic EngineModel
8V-71TI
Engine TypeNumber of CylindersBore and Stroke
7082-3300 (port)7082-7300 (starboard)Two Cycle84.25 in. x 5 in.(108 mm x 127 mm)568 cu. in. (9308 cc)
ENGINE PERFORMANCEMODEL8V-71TIWITHN-90 INJECTORS
3250 Ibs. (1474 kg) 100
25
Two Cycle Displacement (EveryDownstrokea Powerstroke)
Rated Brake Horsepower85°F and 500 ft. (SAE)
Rated Shaft Horsepower85°F and 500 ft. (SAE)Metric
Compression RatioApprox. Net Weight (dry)
with Standard Equipment
500
400
435 @ 2300 RPM
425 @ 2300 RPM431 @ 2300 RPM17 to 1
300a:w
~(Lw
~200J:
Rating ExplanationRATED BRAKE HORSEPOWER-Approx. basic engine power.RATED SHAFT HORSEPOWER-Net power available at themarine gear output shaft; this rating is recommended for pleasurecraft applications.PROPELLER LOAD-Indicates horsepower absorbed by a typicalpropeller and the corresponding fuel consumption throughoutthe speed range.
a:
20 S'"15 C!JJw10 ~
1400 1600 1800 2000
ENGINE SPEED-RPM
2200 2400
POWER OUTPUTGUARANTEED WITHIN 5% AT
ISAE STD AMBIENT CONDITIONS:-
85°F-AIR INLET TEMPERATURE29.00 IN. HG-BAROMETER (DRY)
""I' 435 BHPI 'OI'S"?O 425 SHP
I '1;1'1>-""\\
I'I>-'f 0'1<"1',::;n 0 \\OI'S"?
I'I>-,,,Q s\\1>-.1POWER-PROPELLER LOAD
ACCESSO'S:ALLISON MARINE GEARRAW WATER PUMP
I GENERATOR24V, 30 AMP
FUEL-PROPELLER LOA
I
FUEL, CONSUMTIONII
I I I
~'1
( .-
Specifications subject to change without nollc.e.
@Detmit Diesel AllisonDivisionof GeneralMotorsCorporation
,
13400 West Outer Drive Detroit. Michigan, 48228 .
In Cenede: Diesel Division- Genere, Motors 01 Ceneda Limited London Onterlo
4SA90 Revised 2-73 Litho in U.S.A.
- .......DAn SYH. R£V'SION R£CORD DR. CHI<.
SPECIFICATIONS: MARINE APPLICATIONS7- 3-7 A Ret"ned& R..,,;a.." FW ...,-,4
TYPE 8 CYLINDER, 63.5° VEE. 2 CYCLE DIESEL. TURBOCHARGED AND INTERCOOLED
557.4 CU. IN. DISPLACEMENT
MODEL 7082-7300 R.H. (STARBOARD UNIT SHOWN)7)82-3300 L.H. (PORT UNIT OPPOSITE ROTATION)
PROPELLER SHAFT ROTATION:(AS VIEWED FROM OUTPUT FLANGE)STARBOARD UNIT CLOCKWISE (FOR R.H. PROPELLER)PORT UNIT COUNTEF-CLOCKWISE (FOR L.H. PROPELLER)
WEIGHT DRY: 3250 LBS. APPROX.WEIGHT WET: 3450 LBS. APPROX.
REVERSE AND REDUCTION GEARTYPE ALLISON M (HYDRAULIC)REDUCTION RATIO 1.52:1, 2.05:1LUBE OIL CAPACITY M GEAR 6 QTS.
ELECTRICAL SYSTEM 12,24,32 VOLT
MAXIMUM INSTALLATION ANGLE 15°
ENGINE LUBE OIL PAN CAPACITY (APPROX.) 23 QT. - 0°-15° INSTALLATION ANGLE (DEEP PAN)
CREW BOAT RATING PLEASURE CRAFT RATING
RATING (85°F.., 29.00 IN. HG. (DRY) (N70 INJECTORS) (N90 INJECTORS)BAROMETER) 340 SHP @ 2100 RPM 425 SHP @ 2300 RPM
. AIR CONSUMPTION 1290 CFM 1630 CFM /
SUGGESTED MINIMUM ENGINE ROOM VENT AREA 124 IN.2 157 IN.2
COOLING SYSTEM (HEAT EXCH.):HEAT REJECTION TO COOLANT 12,900 BTU/MIN. 16,200 BTU/MIN.FRESH WATER CAPACITY 17 1/4 GALS. 17 1/4 GALS.FRESH WATER FLOW 140 GPM 150 GPMRAW WATER FLOW 100 GPM 107 GPMMAXIMUM INLET RESTRICTION AT PUMP 5 IN. Hr;. 5 IN. HG.MAXIMUM PUMP PRESSURE 10 PSI 10 PSISUGGESTED PIPE SIZE 2-1/:< IN. 2-1/2 IN.SUGGESTED SEA STRAINER SIZE - SIMPLEX 3 IN. 3 IN. DO NOT SCALE- ERRORSMUST BEREPORTED
- DUPLEX 4 IN. 4 IN.TH'FOLLOW/NOIT''''_LY UNL'" OTH'.W'"...eIFI.D,
TOL'",,"'" 0. O'H""O", LOCAT"O""""° ..Rm" . .aFUEL SYSTEM:"'''H'O O"HmR' HAVOHOCOHHORcm'''''H' HUSTIE
-,CO""'HTR"WlTH'H ...... . ...... UR.
FUEL CONSUMPTION 13.5 GPH - 23.9 GPH "R"H ALLOWAR"'," "ROTIS .os, ,,- .G<,ETC.LOCAT'ROro,on (0)
PUMP FLOW 90 GPH 90 GPHHUSTIE 'HOOTHAHOCL"R. CAST'HO.'O"'HO. OR"LEDAH' 'URCHCO-,TOL'",,""" O"CR"COOR'RAW'" .....". COUR"'''H' ALLTm,o HOL".
MAXIMUM INLET RESTRICTION AT PUMP 6 IN. HG. (CLEAN FILTER) 6 IN. HG. (CLEAN FILTER)'XC,,"T "" THR"". ... r.: os LA"'R THAR GOAHmR °' THR"O. "RIA""H"H'''''''CATOOH'( ) .., 'H AR'THHmCALAVERAO'UR'TS'HOC'"
SUGGESTED PIPE SIZE 1/2 IN. (5/8 IN. TUBING) 1/2 IN. (5/8 IN. TUBING) 'RCHES)..m MUSTIE, U Of"R"
D 2''1.'!6 7 '. JacksonCHK.
Z"lk"EXHAUST SYSTEM:
Z.
GAS FLOW 93 LB./MIN. 118 LB. /MIN.SCAL£ REF£R£NCE "'0.
n (Jl
TEMPERATURE 630°F. 650°F. FIRST USW SK-4347 "'0.
MAX. EXH. BACK PRESS. AT MFD. OUTLET 2.5 IN. HG. 2.5 IN. HG.SUGGESTED PIPE SIZE - TWIN 5 IN. z 5 IN.
A"'.
a
--SINGLE 8 IN. 8 IN. HAn.. s..c.
SUGGESTEDEXH. SILENCERSIZE - TWIN 6 IN. 6 IN. MODEL 7082-3300,7300- SINGLE 8 IN. 8 IN.
W W NAH£INSTALLATION DRAWING
,
OJ8V-71T MARINE ENGINE
'-IN SHEET 2 OF 2
'ART NO. DWa. ....
CD 51 43678 B