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GASOLINE
GENERATOR
WESTERBEKE
GASOLINE
GENERATOR
WESTERBEKE
WESTERBEKE
Engines & Generators
W
TMTM
The truly “quiet breed” of reliable power ...
4.5 BCGB Marine Gasoline Generator
4.5 BCGB60Hz
3.8 BCGB50Hz
4.5 BCGB60Hz
3.8 BCGB50Hz
W
4.5 BCGB Marine Gasoline Generator
Optional Spare Parts Kit
Kit contents, as shown, may not correspond to the generator pictured.
Smooth, Quiet and Compact
Designed by Westerbeke, the Company that
pioneered the truly “quiet breed” of generators, the 3cylinder, 4.5BCGB is flawlessly smooth, quiet and
compact. The engine incorporates a tuned air intake
silencer and a balance shaft to diminish noise and
vibration. Quieter than 3600-rpm generators, there is
no other 1800-rpm gasoline generator in its size and
power rating! This state-of-the-art generator will
provide all your shipboard power requirements with
the “quiet” that only an 1800-rpm gasoline generator
can provide.
Easy Operation and Maintenance
To minimize engine maintenance, the 4.5BCGB is
fresh water cooled and equipped with a simple
control system without complex, troublesome,
electronic components. Easy access to all servicing
points (single-side servicing) allows easy installation
and routine maintenance.
Powerful and Reliable
The 4.5BCGB is powered by and industrial .66 liter
engine that provides a full 4.5 kilowatts at 60 Hertz or
3.8 kilowatts at 50 Hertz. The 4.5BCGB belongs to a
long line of Westerbeke generators that have been
the pride of many powerboat owners for their
reliability.
Five Year Limited Warranty
The 4.5BCGB is backed by Westerbeke’s 5-year
limited warranty. The presence of Westerbeke in
over 65 countries around the world provides
customers with easy access to parts, service and
technical support worldwide. Established in 1937,
Westerbeke is committed to providing its customers
with quality products and unequaled after sales
support.
Standard Features
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Simple start/stop with running hour meter
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Overspeed protection
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Safety shut-downs — high coolant temperature, low
oil pressure, high exhaust temperature
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A.C. circuit breaker
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Battery charger
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Fresh water cooling and coolant recovery tank
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90° water injected elbow
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Belt-driven, raw water pump
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Vibration mounts
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Lube oil drain hose and drip tray
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Belt guard
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Operators’ manual and parts list
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“CE” mark
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CARB certified
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EPA certified
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Meets U.S.C.G. regulation 33CFR-183
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Basic Dimensions
Generator Design
DESIGN: Brushless, four pole, revolving field, power takeoff TEMPERATURE RISE: Within NEMA MG1-22.40 operating at full load.
VOLTAGE REGULATION: Standard +/- 5% no load to full load. COOLING: Cast centrifugal blower, direct connected.
FREQUENCY REGULATION: 3 Hz (5%) no load to full load. ELECTROMAGNETIC INTERFERENCE LEVEL: Exceeds requirements
INSULATION: Class “F”, as defined by NEMA MG1-1.66. for most marine radio-telephones and standard TV’s
4.5 BCGB60Hz
3.8 BCGB50Hz
Number of cylinders 3 Cylinder, vertical in-line
Type 4 cycle
Displacement 40.3 cu. in. (.66 liter)
Bore and stroke 2.56” x 2.61” (65.0mm x 66.3mm)
Compression ratio 9.8:1
Rated rpm 60 Hz – 1800 rpm
50 Hz – 1500 rpm
HP @ 3600 rpm 11.3 HP
Maximum angle of operation Not to exceed 25° in all directions
Exhaust elbow conn. 2.0” OD (50.8mm)
Raw water conn. 0.75” OD (19.05mm)
Dry weight 307 lbs (139.3 kg)
Combustion system Semi-spherical type
Aspiration Naturally aspirated
Lubrication system Forced pump
Cooling system 3.5 quarts (3.4 liter)
Full load fuel consumption .63 GPH (2.4 LPH) (approx.)
Carburetor Down draft type
Governor Mechanical
Lube oil filter Full flow, spin on element
Lubricant capacity 2.5 quarts (2.4 liters)
Fuel transfer pump Electric type
Fuel supply piping .25” ID (6.35mm)
Starting motor 12 volt, 1.2 kw
Battery charging 17 amps, integral electric type
Cold cranking amps 120 amps @ 70 degrees F
Electrical system 12 volts DC, negative ground
Remote start-stop panel
Ship-shore switch
Hydro-hush muffler and fittings
“A” on-board spare parts kits; “B” extended cruising spare parts kit
Anti-siphon valve for overboard cooling water discharge
Technical Manual
Electrical Characteristics Ratings Engine
Model Volts Amps Hertz Phase Wire
Power Factor
KW RPM Start
4.5 BCGB-614* 120 37.5 60 1 4 1.0 4.5 1800 Remote
3.8 BCGB-514* 230 16.5 50 1 4 1.0 3.5 1500 Remote
Cylinder head Aluminum
Cylinder block Cast Iron
Crankshaft Forged crankshaft, four main bearings
Valves Overhead, rotating type
Fuel System Carbureted w/U.S.C.G. approved flame arrestor
Cooling system Fresh water-cooled with heat exchanger
Exhaust manifold Cast aluminum, fresh water-cooled
inches
(millimeters)
Drawings are for reference only and should not be used for installation. Detailed installation drawings are available upon request.
*Generator field adjustable to 50 or 60 Hertz.
Distributor/Dealer
Power takeoff adapter
Construction – Engine Components
Optional Equipment
Specifications
Westerbeke Corp., Myles Standish Industrial Park, 150 John Hancock Road, Taunton, MA 02780-7319, U.S.A.• TELEPHONE : (508) 823-7677 •FAX: (508) 884-9688 •Website: www.westerbeke.com
Specifications Subject to Change without Notice.
DPS 3M 9/00
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