Four Engine Specifications - Westerbeke 44A FOUR-35 C THREE Operator's Manual

44A & 448 FOUR ENGINE SPECIFICATIONS
Engine Type
Displacement
Aspiration
Combustion Chamber
Bore & Stroke
Firing Order
Direction of Rotation
SPECIFICATIONS
Diesel, four-cycle, four-cylinder, fresh water-
cooled, vertical in-line overhead valve
mechanism ..
107.3 cubic inches (1.758 liter)
Naturally aspirated.
Swirl type.
3.07 x 3.62 inches (78 x 92 mm)
1 - 3 - 4-2
Clockwise, when viewed from the front.
Compression Ratio 22:1
Dimensions - inches (mm) Height: 18.6 inches (472.4 mm)
Engine Only Width: 23.0 inches ( 584.2 mm)
Weight
Fuel Consumption
Inclination
Length:25.6 inches ( 914.4 mm)
331 Ibs (150 kgs) without transmission.
2.5 glhr (9.7Itrlhr) at 3600 rpm
Continuous 15°
Temporary 25° (not to exceed 30 min.)
TUNE-UP SPECIFICATIONS
Compression Pressure 427 psi (30 kg/cm') at 280 rpm
Minimum 384 psi (27 kg/cm')
Valve liming I ntake Opens
Intake Closes
Spilled liming (Static) 17° (spill)
Valve Seat Angle 45°
Engine Speed 3600 rpm (44AlFour)
3000 rpm (44B/Four)
Valve Seat Angle Intake 45°
Exhaust 30°
Valve Clearance 0.25 inches (0.0098 mm)
(engine cold)
Injector Pressure 1991 + 71 - 0 psi (140 + 5 - 0 kgf/cm').
Engine liming 17° BTDC
ELECTRICAL SYSTEM
Starting Battery
Battery Capacity
DC Charging Alternator
Starting Aid
Starter
12 Volt, (-) negative ground
400 - 600 Cold Cranking Amps (CCA)
51 Amp rated, belt-driven
Glow plugs, sheathed type
12 Volt, reduction gear
General
Fuel
Fuel Injection Pump
Nozzle
Fuel Filter
Air cleaner
AirAow
(engine combustion)
Fuel Lift Pump
General
Operating Temperature
Fresh Water Pump
Raw Water Pump
Raw Water Flow
(measured before
discharge into exhaust
elbow) Approximate
System Capacity
(Fresh Water)
FUEL SYSTEM
Open flow, self priming.
No.2 diesel oil (cetane rating of 45 or higher).
In-line plunger type (BOSCH).
Throttle type.
Spin-on replaceable.
Replaceable paper filter cartridge.
140 cfm (3.9 cmm) at 3600 rpm.
93 cfm (26.2 cmm) at 3000 rpm.
12 volt DC lift capacity of 5' (1.5 mm) solid state
COOLING SYSTEM
Fresh water-cooled block, thermostatically-
controlled with heat exchanger.
170 -190° F (77 - 88° C)
Centrifugal type, metal impeller, belt-driven.
Positive displacement, rubber impeller,
belt-driven.
44AJFour
44B/Four
9.5 gpm at 3600 rpm
8.0 gpm at 3000 rpm
·8.0 US qts (7.6 liters)
LUBRICATION SYSTEM
General
Oil Filter
Sump Capacity
(not including filter)
Operating Oil Pressure
(engine hot)
Oil Grade
Pressure fed system.
Full flow, paper element, spin-on type.
5.2 U.S. qts (5.4 liters)
50 - 60 psi (3.5 - 4.2 kg/cm')
API Specification CF or CG-4,
SAE 30, 10W-30, 15W-40
Rev. July 2002
Engines & Generators
51