TP-6053 7/04 5Section 1 Specifications
1.3 Engine
Generator Model 5EOZ/4EFOZ 8EOZ/6.5EFOZ 9EOZ/8EFOZ 10EOZ/9EFOZ
Engine manufacturer Yanmar
Engine model 3TNE68 3TNE74 3TNE78A 3TNE82A
Number of cylinders 3
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, mechanical
Bore x stroke, mm (in.) 68 x 72 (2.67 x 2.83) 74 x 78 (2.91 x 3.07) 78 x 84 (3.07 x 3.30) 82 x 84 (3.22 x 3.30)
Displacement, L (CID) 0.784 (47.83) 1.006 (61.39) 1.204 (73.45 ) 1.330 (81.14)
Compression ratio 23.0:1 18.0:1
Horsepower, 60/50 Hz 10.1/8.4 14/11.6 17.7/14.8
RPM, 60/50 Hz 1800/1500
Direction of rotation
(as viewed from generator end)
Counterclockwise
Lubrication system Pressure, trochoid pump
Lube oil capacity w/filter, L (qts.) 3 (3.2) 2.4 (2.3) 5.2 (5.5) 3.4 (3.6)
Oil recommendation, API CD, CD/CC, or CC
Engine firing order
(#1 cylinder nearest to flywheel)
1-3-2
Fuel injection timing (BTDC) 14°±1° 16° ±1° 10° ±1°
Fuel injection pressure,
kg/cm sq. (psi)
120 (1706) 200 (2844)
Combustion system
Indirect injection,
swirl precombustion chamber
Direct injection
Battery voltage 12 volt, negative ground
Battery recommendation, min. 500 CCA, 100 amp hr.
Battery charging (alternator) 40 amps @ 12 volts 50 amps @ 12 volts
Fuel recommendation Diesel, ISO 8217 DMA, BS 2869 Part 1 Class A1 or Part 2 Class A2
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 (qts.) 1.8 (1.9) 3.9 (4.12) 5.2 (5.5)
Coolant recovery tank capacity,
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) 96.5 (14.0)
Starter motor 0.8 kW Bendix automotive type
1.8 kW Bendix,
gear-reduction automotive type
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