Universal M-35B(C) - UNIVERSAL MARINE ENGINES SPECIFICATIONS; TUNE-UP SPECIFICATIONS

UNIVERSAL MARINE ENGINES SPECIFICATIONS
Description
M-358, M-4118,
M-508
Description
M3-208,
M·25XP8
Displacement
M3·208
M·25XP8
M·358
M-4118
M·508
Aspiration
Combustion Chamber
Bore & Stroke
M3·20B
M·25XP8
M·358
M-4118
M-508
Compression Ratio
Firing Order
M3·20B, M·25XP8
M-358 ,M-4118, M·508
Weight
M3·208
M·25XP8
M·358
M-4118
M·508
Direction of Rotation
GENERAL
Diesel, four-cycle, four-cylinder,
fresh water-cooled, Vertical, in-line
overhead valve mechanism.
Diesel, four-cycle, three-cylinder,
fresh water-cooled, Vertical, in-line
overhead valve mechanism.
Cubic Inches [Liters]
43.8 [.7177]
61.2 [1.000]
81.47 "[1.335]
91.41 [1.498]
113.32 [1.857]
Naturally as pi rated
Spherical type, three vortex system
Inches [mm]
2.64 X 2.68 (67 X 68.0]
2.99 X 2.90 (76 X 73.6]
2.99 X 2.90 [76 X 73.6]
2.09 X 3.09 (78 X 78.4]
3.15 X 3.64 (80 X 92.4]
23:1
1-2-3
1-3-4-2
Lbs [Kg] with transmission
241 [110.0]
295 [134.0]
352 (159.0]
356 [161.5]
529 [240.0]
Clockwise when viewed from the front
LUBRICATION SYSTEM
Description
Lube Oil Filter
Lubrication Capacity
M3·208
M·25XPB
M·358
M-4118
M-508
Operating Oil Pressure
(engine hot)
Oil Grade
Fuel
Forced lubrication by gear pump
Full flow,spin on filter element
Quarts [Liters)
3.4 [3.2)
3.5 (3.3)
4.0 [3.8)
4.0 [3.8]
8.0 (7.5]
42- 64 psi (294- 441 Kpa)
at rated speed
API Specification CF, CG-4, CH-4 or Cl-4
SAE 15W-40 all season oil.
No.2 SAE J 313 Cetane #45 or higher grade of
diesel accoording to ASTM D975.
Transmission Specifications: Refer to the TRANSMISSION SECTION in this
manual.
COOLING SYSTEM
Description
Operating Temperature
Fresh Water Pump
Raw Water Pump
Raw Water Row Rate
Coolant Capacity
M3·2DB
M·25XP8
M-358
M-4118
M-508
Description-type
Fuel Nozzle Type
Fuel Injection Pump
Fuel
Fuel
Lift Pump
Fresh water-cooled block, thermostatically-
controlled with heat exchanger.
150°-170° F (66°- 77o C)
Centrifugal type, metal impeller, belt-driven.
Positive displacement, rubber impeller,
belt-driven.
8.0 GPM (30.2 litres) at 3000 rpm.
Quarts [Liters)
3.75 [3.5)
4.0 [3.8)
6.0 [5.6)
4.5 [4.3]
12.0 [11.4]
FUEL SYSTEM
Open flow, self priming
(Bosch] throttle type
In-line plunger type [Bosch)
No. 2 Diesel (Cetane rating of 45 or higher).
12 volt 5' lift capacity (wet) solid state.
ELECTRICAL SYSTEM ·
Starting Battery
Battery
Capacity
DC Charging Alternator
Starting Aid
Starter
Alternator
12 Volt, (-) negative ground.
600- BOO Cold Cranking Amps (CCA).
51 Amp rated, belt driven
Glow plugs, sheathed type
12 Volt, reduction gear
51 Amp with internal regulation,
set volts at 14.7 max.
TUNE-UP SPECIFICATIONS
Compression Pressure
[at 250 RPM]
M3·208, M·25XP8
M·358, M-4118
M·508
Injection Pressure
Engine liming (spill)
Valve Clearance
(engine COLD)
M3·208 J-
M·25XP8
M·358
M-4118
412 - 469 PSI (2.84 - 3.23 MPal
512 • 540 PSI [35.3- 37.2 MPa]
1991 PSI (13.73 MPa] static timed
18° ·20° BTDC
Inches [mm]
0.0057 - 0.0072 in (0.145 - 0.185 mm)
0.0071 -0.0087 in (0.18- 0.22 mm)
~Unlvarsal
5 0 &N;*'IM•Wt:!;M
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