Universal M3-20A User Manual

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UNIVERSAL MARINE ENGINES SPECIFICATIONS
Four cycle, fresh-water cooled, vertical in-line marine diesel engines.
HORSEPOWER
CYLINDERS
BORE AND STROKE
COMBUSTION CHAMBER
DISPLACEMENT (cubic inches)
COMPRESSION RATIO
FIRING ORDER
VALVE CLEARANCE
ENGINE DlL
ENGINE DlL CAPACITY
TRANSMISSION
TRANSMISSION
FLUID
ENGINE DRY WEIGHT (w/lrans)
FUEL
COOLANT CAPACiTY
ENGINE COOLING
ROTATION
FUEL NOZZLE TYPE
FUEL INJECTION PUMP
STARTING MOTOR
STARTING AID
ALTERNATOR - STANDARD
M3-20B M-25XPB M-35B
20 @3500 rpm
26 @3000 rpm 35@3000rpm
3 3
4
2.64 x 2.68 in 2.99 x 2.90 in 2.99 x 2.90 in
(67 x 58 mm) (76 x 73.6 mm) (76 x 73.6 mm)
Spherical type; three vortex combustion system
43.89 C.1.
61.08 C.1. 81.45 C.1.
23:1
23:1 23:1
1.2.3
1.2.3
1.3.4.2
.005 to .007"10.14 to 0.18 mm
SAE 30, 1 OW 30 or 1 OW 40 (Above CF Or CG-4 Grade)
4.0 Ots/3.8L
4.0 Ots/3.8L 5.44 Qts/5.1L
HBW-50
HBW-50
HBW-100
Dexron II or Dexron III
2411bs/110kg
295 Ibsl134kg 352 Ibs/159kg
No.2 Diesel Oil cetane rating of 45 or higher
3.75 Qts/3.5L
4 Ots/3.8L 6 Ots/5.6L
Freshwater-cooled block, thermostatically controlled with raw water exchanger and
centrifugal fresh water pump.
Clockwise when viewed from the front.
Bosch "throttle" type
Bosch Per-MD Type, mini-pump
12 volt 1.2 kw activated shih w/Solenoid
Voltage: 10.5 -12.0 VDC/Current: 8.7 - 9.0 Amps/Resistance: 1.0 - 1.2 Ohms
51 amp 12 volt with internal regulator. Reg. set volts 14.7v-maximum
MARtHE POWER
•• UniVGrsal
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Universal M3-20A Specifications

General

Brand	Universal
Model	M3-20A
Category	Engine
Language	English