Certified for US EPA-Tier 2 / Constant Speed |
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Standard Model [1000kWe/60Hz] |
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MITSUBISHI |
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S12H-Y2PTAW-1 |
SPECIFICATION SHEET |
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DIESEL ENGINES |
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GENERAL ENGINE DATA |
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Type |
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4-Cycle, Water Cooled |
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Aspiration |
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Turbo-Charged, Inter Cooler |
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(Fresh water to Cooler) |
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Cylinder Arragement |
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60oV |
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No.of Cylinders |
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12 |
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Bore mm(in.) |
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150 |
(5.91) |
Stroke mm(in.) |
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175 |
(6.89) |
Displacement liter(in3) |
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37.11 |
(2265) |
Compression Ratio |
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14.5:1 |
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Dry Weight - Engine only - kg(lb) |
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4300 |
(9482) |
Wet Weight - Engine only - kg(lb) |
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4560 |
(10055) |
PERFORMANCE DATA |
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Steady State Speed Stability Band at any Constant Load |
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Electric Governor - % |
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±0.25 or better |
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Maximum Overspeed Capacity - rpm |
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2000 |
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Moment of inertia of Rotating Components - kgf m2(lbf ft2) |
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55.6 |
(1319.6) |
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(Includes Std.Flywheel) |
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Cyclic Speed Variation with Flywheel at 1800rpm |
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1/523 |
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ENGINE MOUNTING |
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Maximum Bending Moment at Rear Face of Flywheel Housing - kgf m(lbf ft) |
200 |
(1446.9) |
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AIR INLET SYSTEM |
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Maximum Intake Air Restriction (Includes piping) |
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With Clean Filter Element - mm H 2O (in.H2O) |
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400 |
(15.7) |
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With Dirty Filter Element - mm H2O (in.H2O) |
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635 |
(25.0) |
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EXHAUST SYSTEM |
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Maximum Allowable Back Pressure - mm H2O (in.H2O) |
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600 |
(23.6) |
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LUBRICATION SYSTEM |
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Oil Pressure at ldle - kgf/cm2(psi) |
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2 3 |
(29 43) |
at Rate Speed - kgf/cm2(psi) |
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5 6 |
(71 86) |
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Maximum Oil Temperature - oC(oF) |
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110 |
230 |
Oil Capacity of Standard Pan |
High |
- liter (U.S.gal) |
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180 |
(48) |
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Low |
- liter (U.S.gal) |
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150 |
(39.6) |
Total System Capacity (lncludes Oil Filter) - liter (U.S.gal) |
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200 |
(52.8) |
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Maximum Angle of lnstallation (Std. Pan) |
Front Down |
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9.5o |
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(Engine Only) |
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Front Up |
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11o |
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COOLING SYSTEM |
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Side to Side |
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22.5o |
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Coolant Capacity of Jacket (Engine only) - liter (U.S.gal) |
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83 |
(21.9) |
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Coolant Capacity of Air cooler (Engine only) - liter (U.S.gal) |
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17 |
(4.5) |
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Maximum External Friction Head at Engine Outlet - kgf/cm 2(psi) |
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(For Jacket and Air Cooler) |
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0.35 |
(5.0) |
Maximum Static Head of Coolant above Crankshaft Center - m(ft) |
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10 |
(32.8) |
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Standard Thermostat (modulating)Range of Jacket - oC(oF) |
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71 85 |
(160 185) |
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Standard Thermostat (modulating)Range of Air Cooler - oC(oF) |
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35 50 |
(95 122) |
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Maximum Coolant Temperature at Engine Outlet of Jacket - oC(oF) |
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98 |
(208) |
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Minimum Coolant Expansion Space - % of System Capacity |
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(For Jacket and Air Cooler) |
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10 |
(0.4) |
Maximum Coolant Temperature at Intercooler lnlet, PTAW type - oC(oF) |
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45 |
(113) |
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Maximum Air Restriction on Discharge Side of Radiator and Fan - mm H 2O(in.H2O) |
10 |
(0.4) |
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APPLICATION : GENERATOR
Pub. No. T13-0633-E
Dec. '06 Printed in Japan
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