Westerbeke W-46 - Page 108

ENGINE SPECIFICATIONS
( 15.0 I 12.0 BTD Drive Engine) Genera/Information
Type
Number of Cylinders
Bore & Stroke, in mrn(in.)
Piston Displacement, in cc(cu.in.)
Compression Ratio
Compression Pressure
at 150 - 200 RPM, in kg/cm2 (psi)
Rotating Horse Power
Idle Speed, in RPM
No Load Maxi~um Speed, in RPM
Cruise Speed, in RPM
Firing Qrder
' '
Direction of Rotation
Fuel
Oil Grade
Dimensions, in inches (mrn)
(Standard Unit)
Weight Dry, in lbs.(kg)
(Standard Unit)
Cylinder Sleeves
Number of Piston Rings
Fresh water cooled with
exchanger system, 4-stroke,
inline, vertical, indirect
injected type diesel
Four - Inline, vertical
84 X 94 (3.307 X 3.701)
2084 (127 .1)
20:1
31
(440)
Normal
25
(355.5)
Mininum
46 HP
at
3000
RPM (max.)
42
HP at
3000
RPM (cont.)
700 - 850
(neutral)
_3220
2000 - 2500
1-3-4-2
Counterclockwise (as
from flywheel end)
No.2-D SAE J313, Cetane #45 or higher.
Diesel fuel according to ASTM 0975
viewed
APL Category CF, CF-4, CG-4, CH-4 CI-4 or better.
SAE
lOW-40 or 15W-40
Length 36.72 (932.6)
Width 18.13 (460.5)
Height 23.99 (609.3)
535 (242.6)
Dry type made of special cast
iron.
Two compression rings, one oil
scraper with spring expander.
Engines & Generators
106