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

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OJ8V-71T MARINE ENGINE

'-IN SHEET 2 OF 2

'ART NO. DWa. ....

CD 51 43678 B