Westerbeke 20.0 BEDA - 25 KW BED Generator Specifications; Engine and General Specs; Fuel System Specs; Cooling System Specs

SPECIFICATIONS
WESTERBEKE 25 KW BED GENERATOR
Engine Type
Aspiration
Governor
Combustion Chamber
Bore & Stroke
Piston Displacement
Firing Order
Direction of Rotation
Maximum Torque
(at 1800 rpm)
Compression Ratio
Dimensions
Weight
SPECIFICATIONS
Diesel, four-cycle, four-cylinder, fresh
water-cooled, Vertical, in-line overhead valve
mechanism (50 hp@ 1800 rpm maximum).
Naturally aspirated.
Electronic Governing
Swirl type
3.74 x 4.13 inches (95 x 105 rnrn)
182 cubic inches (2.981iters)
1-3-4-2
Clockwise, when viewed from the front
148 lb-ft (20.46 kg-m)
21:1
Height 28.56 inches
Width: 23.30 inches
Length: 49.90 inches
971 lbs (440 kgs)
(726.4 rnrn)
(591.8 rnrn)
(1140.5 mm}
Fuel Consumption 2.9 gph (1 0.9 I ph) at full rated output
(approximate)
Inclination Continuous 15°
Temporary 20° (not to exceed 20 rnin.)
Generator Power Take-off 40 Horsepower (maximum)
General
Fuel
Fuel Injection Pump
Fuel injection Timing
Nozzle
Fuel Filter
(on engine)
Air cleaner
Air Flow
(engine combustion)
General
Operating Temperature
Fresh Water Pump
Raw Water Pump
Raw Water Row,
at 1800 rpm
System Capacity
(coolant)
FUEL SYSTEM
Open flow, self priming - 1 bleed point
No. 2-D SAE J313, Cetane rating of 45 or
higher. Diesel lute according to ASTM D975
ZEXEL Model VE Distributor
o• TDC (Top Dead Center)
Throttle type
Spin-on type, full flow
Metal screen type-cleanable
94.6 cfm (2.7 cmm)
COOLING SYSTEM
Fresh water-cooled blotk, thermostatically-
controlled with heat exchanger.
110- 19o· F (77- as· c)
Centrifugal type, metal impeller, belt-driven
Positive displacement, rubber impeller,
belt driven. ..,
15.0 gpm (56.71pm) (measured
before discharging into exhaust elbow).
11.5 qts (1 0.88 liters)
TUNE-UP SPECIFICATIONS
LUBRICATION SYSTEM
Compression Pressure 427 psi (30 kg/em') at 200 rprn
(Limit of difference between
cylinders) (47.2 psi {3.0 kg/ern'})
Valve Timing
Valve Seat Angle
Valve Clearance
(engine warm)
Injector Pressure
Engine Timing
Engine Speed
Intake Opens 17° BTDC
Intake Closes 4r ABDC
Exhaust Opens 51 o BBDC
Exhaust Closes 13° ATDC
Intake 45•
Exhaust 30°
Intake 0.012 inches (0.3 mrn)
Exhaust 0.012 inches (0.3 mrn)
1920 + 71-0 psi (135 + 5-0 kg/em')
Static timed - drop valve method
0.205 ± .005 inches BTDC
1800 RPM - 60 Hertz
1500 RPM - 50 Hertz
General
Oil Filter
Sump Capacity
(not including filter)
Operating Oil Pressure
(engine hot)
Oil Grade
IW'IWESIE.RBEICE
l EnglntiS & GeneratOI'S
45
Pressure fed system
Full flow, paper element, spin-on type
6.5 U.S. qts (6.15 liters)
plus filter/cooler assembly
50 - 60 psi (3.5 - 4.2 kg/em')
API Specification of CF, CF-4, CG-4. CH-4. Cl-4
or better. SAE 1 OW-40 or 15W-40