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Mercury D4.2L User Manual

Mercury D4.2L
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60
CD633
Engine Specifications
D3.6L AND D4.2L
Specification - Sterndrive (MCM)
Description
D3.6L D4.2L
Crankshaft Horsepower (Kilowatts)
1
180 (134) 220 (164)
Propeller Shaft Horsepower (Kilowatts)
1
170 (127) 200 (149)
Engine Type In-Line 6 Cylinder Diesel
Displacement 219 cu. in. ( 3.6 L ) 254 cu. in. ( 4.2 L )
Firing Order 1 - 5 - 3 - 6 - 2 - 4
Bore 3.622 in. ( 92mm ) 3.700 in. ( 94mm )
Stroke 3.543 in. ( 90mm ) 3.937 in. ( 100mm )
Compression Ratio 22:1 21.5:1
Valve Clearance - Intake / Exhaust Hydraulic
Maximum Pressure Difference Between Cylinders 72 psi ( 500 kPa )
Maximum High Idle No Load rpm 4300 ± 50 4200 ± 50
Governed rpm Setting (Begins At:) 3830 ± 20 3630 ± 20
Rated rpm At Wide-Open-Throttle
2
3800 3600
Idle rpm in Forward Gear 700
750 rpm 22-36 psi [ 1.5 - 2.5 bar ( 152-248 kPa ) ]
Oil Pressure:
3600 - 3800 rpm 50-58 psi [ 3.5 - 4 bar ( 345-400 kPa ) ]
Oil Temperature 212° - 230° F ( 100° - 110° C )
Water: ( 2 Total ) 1 at temp. :
160° F ( 70° C )
Thermostats:
1 at temp. :
180° F ( 82° C )
Oil: ( 1 Total ) 203° F ( 95° C )
Coolant Temperature 176° - 185° F ( 80° - 85° C )
Electrical System 12-volt Negative ( ) Ground
Alternator Rating 949W, 14.6v, 65A
Recommended Battery Rating 750 cca, 950 mca, or 180 Ah
Starter 12v, 2.7 kW
1
Power rated in accordance with NMMA Procedure - ISO 3046 (Technically Identical to ICOMIA 28-83).
2
Refer to Conditions Affecting Operation - Propeller Selection for additional information.

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Mercury D4.2L Specifications

General IconGeneral
BrandMercury
ModelD4.2L
CategoryEngine
LanguageEnglish

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