Mitsubishi S12R-Y2PTAW-1 Manuals

Certified for US EPA-Tier 2 / Constant Speed Standard Model [1250kWe/60Hz] MITSUBISHI S12R-Y2PTAW-1 SPECIFICATION SHEET DIESEL ENGINES GENERAL ENGINE DATA Type 4-Cycle, Water Cooled Aspiration Turbo-Charged, Inter Cooler (Fresh water to Cooler) Cylinder Arragement 60oV No.of Cylinders 12 Bore mm(in.) 170 (6.69) Stroke mm(in.) 180 (7.09) Displacement liter(in3) 49.03 (2992) Compression Ratio 14.5:1 Dry Weight - Engine only - kg(lb) 5270 (11620) Wet Weight - Engine only - kg(lb) 5555 (12249) PERFORMANCE DATA Steady State Speed Stability Band at any Constant Load Electric Governor - % ±0.25 or better Maximum Overspeed Capacity - rpm 2100 Moment of inertia of Rotating Components - kgf・m2(lbf・ft2) 75.3 (1787.2) (Includes Std.Flywheel) Cyclic Speed Variation with Flywheel at 1800rpm 1/576 ENGINE MOUNTING Maximum Bending Moment at Rear Face of Flywheel Housing - kgf・m(lbf・ft) 450 (3255.6) AIR INLET SYSTEM Maximum Intake Air Restriction (Includes piping) With Clean Filter Element - mm H 2O (in.H2O) 400 (15.7) With Dirty Filter Element - mm H 2O (in.H2O) 635 (25.0) EXHAUST SYSTEM Maximum Allowable Back Pressure - mm H2O (in.H2O) 600 (23.6) LUBRICATION SYSTEM Oil Pressure at ldle - kgf/cm2(psi) 2～3 (29～43) at Rate Speed - kgf/cm2(psi) 5～6.5 (71～93) Maximum Oil Temperature - oC(oF) 110 230 Oil Capacity of Standard Pan High - liter (U.S.gal) 150 (40) Low - liter (U.S.gal) 108 (28.5) Total System Capacity (lncludes Oil Filter) - liter (U.S.gal) 180 (47.6) Maximum Angle of lnstallation (Std. Pan) Front Down 6.5o (Engine Only) Front Up 6.5o Side to Side 22.5o COOLING SYSTEM Coolant Capacity of Jacket (Engine only) - liter (U.S.gal) 116 (30.6) Coolant Capacity of Air cooler (Engine only) - liter (U.S.gal) 14 (3.7) Maximum External Friction Head at Engine Outlet - kgf/cm 2(psi) (For Jacket and Air Cooler) 0.35 (5.0) Maximum Static Head of Coolant above Crankshaft Center - m(ft) 10 (32.8) Standard Thermostat (modulating)Range of Jacket - oC(oF) 71～85 (160～185) Standard Thermostat (modulating)Range of Air Cooler - oC(oF) 42～55 (108～131) Maximum Coolant Temperature at Engine Outlet of Jacket - oC(oF) 98 (208) Minimum Coolant Expansion Space - % of System Capacity (For Jacket and Air Cooler) 10 (0.4) Maximum Coolant Temperature at Intercooler lnlet, PTAW type - oC(oF) 45 (113) Maximum Air Restriction on Discharge Side of Radiator and Fan - mm H 2O(in.H2O) 10 (0.4) APPLICATION : GENERATOR Pub. No. T13-0634-E Oct. '06 Printed in Japan