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W 40NA MARINE DIESEL ENGINE
Engine Type
Governor
Valve Mechanism
Combustion Chamber
Bore
& Stroke
Piston Displacement
Firing Order
Direction
of
Rotation
Maximum Torque (at 3000 rpm)
Compression Ratio
Compression Pressure
Valve Seat Angle
Valve Clearance
(engine cold)
Dimensions
Inclination
Dry Weight
Engine Speed
Fuel Consumption
GENERAL SPECIFICATIONS
Diesel, four-cycle, four-cylinder, fresh water cooled,
vertical, in-line (37 hp at 3000 rpm maximum)
Integral of the injection pump, mechanical flyweight type
Overhead
Swirl chamber type
3.125
x
3.5 inches (79.37
x
88.90 mm)
107.4 cubic inches (1.760 liters)
1-3-4-2
Clockwise, when viewed from the front
79 lb-ft (10.92 kg-m)
22:1
450 psi (31.63 kg/cm
2
)
at 250 rpm
lntake45°
Exhaust45°
Intake 0.012 inches (0.3 mm)
Exhaust 0.012 Inches (0.3 mm)
Height: 26.81 Inches (680.97 mm)
Width: 31.94 Inches (811.27 mm)
Length: 39.07 inches (992.37 mm)
Continuous 17°
Temporary 25° (not to exceed 30 min.)
511 lbs (231.7 kgs)
Idle speed: 750-1000 rpm
Cruising speed: 1800- 2200 rpm
1.0 U.S. gph (3.? lph) running at
2500 rpm (approximate) when the propeller
allows 3000 rpm at full open throttle while
underway in forward gear.
7
Westerbeke Diesel Engines
I
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