Westerbeke 12.5 BTDA - Kw BTD

Engine Type
Governor
Combustion Chamber
Bore & Stroke
Piston Displacement
Firing Order
Direction of Rotation
Maximum Torque
(at 1800 rpm)
SPECIFICATIONS
WESTERBEKE 11.0 KW BTD GENERATOR
SPECIFICATIONS
Diesel, four-cycle, three-cylinder, fresh
water-cooled, vertical in-line overhead valVe
mechanism,
(18.4 hp at 1800 rpm maximum).
Mechanical, centrifugal weight type
Swirl chamber type
2.87 x 3.07 inches (73 x 78 mm)
80 cubic Inches (1.3051iters)
1-3·4 ·2
Clockwise, when viewed from the front
54 lb·ft (7 .46 kg-m)
General
Fuel
Fuel Injection Pump
Fuellnjec+Jon Timing
Nozzle
Injectors
Fuel Pump
Fuel Filter (on engine)
Air cleaner
AirFlow
FUEL SYSTEM
Open flow, self bleeding
# 2 D(cetane rating of 45 or higher) SAE J313
Diesel grade according to ASTM 0975
Nippon Denso (Bosch M Type)
19• ± .s• BTDC (static timing)
Throttle type
Pintle Type
12 Volt DC, Electro-Magnetic type
Canister type with replaceable element
Metal screen type - cleanable
42. cfm (1.2 cmm)
Compression Ratio 23:1
Compression Pressure
Valve Timing
Valve Seat Angle
Valve Clearance
(engine cold)
Injection Pressure
Engine SpeM
Engine Timing
Dimensions
Weight
Fuel Consumption
(approximate)
Inclination
General
Operating Temperature
!=resh Water Pump
Raw Water Pump
Raw Water Flow,
at 1800 rpm
System Capacity
(fresh water)
455 psi (32 kg/em') at 280 rpm
Intake Opens 18° BTDC
Intake Closes 46" ABOC
Exhaust Opens 46° BBDC
Exhaust Gloses18° ATDG
Intake 45°
Exhaust 45•
Intake 0.0098 inches (0.25 mm)
Exhaust 0.0098 inches (0.25 mm)
1707 psi (120 kg/cm
2
+ 10 kg/cor- Okg/cm
2
1800 rpm 60 Hertz
1500 rpm 50 Hertz
19° BTDG
Height: 23.75 inches (603.25 mm)
Width: 16.85 inches (427.99 mm)
Length: 34.56 inches (877.82 mm)
5751bs (260.8 kgs)
1.2 gph {4.541ph) at full rated output
Continuous 15•
Temporary 20" (not to exceed 20 min.)
COOLING SYSTEM
Fresh water-cooled block, thermostatically-
controlled with heat exchanger.
170c -190° F (77•- sa• C).
Centrifugal type, metal impeller, belt-driven.
Positive displacement. rubber impeller,
belt-driven.
7.2 US gpm (27.251pm) (measured
before discharging into exhaust elbow).
8 qts (7.61iters). ·
lUBRICATION SYSTEM
General
Oil Filter
Sump Capacity
(not Including filter)
Operating Oil Pressure
(engine hot)
Oil Grade
Pressure type by Trichoid pump, gear driven
with external pressure relief valve
Full flow, paper element. spin-on type.
4.23 u.s. gals (4.0 liters).
40 • 80 psi (2.8 - 5.6 kg/em>).
API Specification CF, CG-4, CH-4, C1·4, CJ-4 or
better
SAE 10W·30 or 15W·40.
ELECTRICAL SYSTEM
Starting Battery
Battery Capacity
DC Charging Alternator
Regulator
Starter
Starting Aid
DC No-Load Current
DC Cranking Current
12-Volt, (·) negative ground
400 • 600 Cold Cranking Amps (CCA)
12 Volt DC, 50 Amp
Internal regulator built into alternator
12-Volt, 1.6 KW, reduction, solenoid mounted
Glow plugs, sheathed type
90 Amps max. at 11.5 volts
175·200 Amps {engine cold)
EXHAUST EMISSIONS SYSTEMS
Emission Control
Systems
Smoke Puff Limiter