TP-5936 7/04 1Section 1 Specifications
Section 1 Specifications
1.1 General
The 32EOZ/27EFOZ units are powered by a Yanmar
4TNE98 four-cylinder, water-cooled, four-cycle diesel
engine with heat exchanger.
Ratings: Kohler Co. develops all Kohler marine
generator set ratings using accepted reference
conditions of 25_C(77_F) and pressure of 29.2 in. Hg
dry barometer. ISO 3046 and ISO 8528-1 include
reference conditions and output calculations. Obtain
technical information bulletin (TIB-101) on ratings
guidelines for complete ratings definitions.
1.2 Engine
Generator Model 32EOZ 27EFOZ
Engine Manufacturer Yanmar
Engine Model 4TNE98
Number of Cylinders 4
Cylinder Block Material Cast iron
Cylinder Head Material Cast iron
Piston Rings 2 compression/1 oil
Crankshaft Material Stamped forging
Connecting Rod Material Forged carbon steel
Governor Centrifugal, m echanical
Bore x Stroke, mm (in.) 98 x 110 (3.86 x 4.33)
Displacement, L (CID) 3.319 (202.5)
Compression Ratio 18.0:1
Horsepower, 60/50 Hz 55 46
RPM, 60/50 Hz (Full Load) 1800 1500
Direction of Rotation
(as viewed from generator
end)
Counterclockwise
Lubrication System Pressure, trochoid pump
Lube Oil Capacity, (w/filter)
L(qts)
4.7(5.0)
Oil Recommendation (API) CC or CD
Engine Firing Order
(#1 cylinder nearest to
flywheel)
1-3-4-2
Fuel Injection Timing
(BTDC)
10--12_
Fuel Injection Pressure,
kPa (psi)
1517--1586 (220--230)
Combustion System Direct injection
Battery Voltage
12 volt (standard)
24 volt (optional)
Battery Charging
(alternator)
50 amps
Battery Recommendation,
min.
800 CCA, 100 amp hr
Generator Model 32EOZ 27EFOZ
Fuel Recommendation
ISO 8217 DMA, BS 2869
Part 1, class 1
or Part 2, class 2
Fuel Shutoff Solenoid
System
Electric
Fuel Feed Pump Electric, rotary vane
Fuel Pump Priming Electric
Max. Recommended
Fuel Pump Lift, m (ft.)
1.2 (4)
Coolant Capacity,
L (U.S. qts.) (approx.)
7.6 (8.0)
Coolant Recovery Tank,
L(oz.)
0.24 (8.0)
Recommended Coolant
50% ethylene glycol; 50%
clean, softened water
Thermostat 71°C (160°F)
Pressure Cap Rating,
kPa (psi)
97 (14)
Starter Motor 2.3 kW
Intake/Exhaust Valve
Clearance, mm (in.) (lash)
(cold)
0.15--0.25 (0.006--0.010 )
Belt Tension (force),
@ 10 kg (22 lbs.), mm (in.)
10--15 (0.4--0.6)
Cylinder Head Torque
Final, Nm (ft. lbs.)
(2-step intervals)
102.9--112.7 (76--83 )
Initial, Nm (ft. lbs.) 49--58.8 (36--43)
Overbolt Torque
(M10-1.5), Nm (ft. lbs.)
38 (28)
Inlet Water Line Hose ID,
sea
ater pump inlet, mm
(in.)
.75
Outlet Water Line Hose ID,
mi
ing elbo
outlet, mm
(in.)
7
.
Fuel Inlet,
(Fuel Pump Inlet)
1/4 NPT
Fuel Return Size, Type 1/4 NPT