Mitsubishi S12a2 Y2ptaw 2 User Manual

Certified for US EPA-Tier 2 / Constant Speed  
Standard Model [800kWe/60Hz]  
MITSUBISHI  
S12A2-Y2PTAW-2  
SPECIFICATION SHEET  
DIESEL ENGINES  
GENERAL ENGINE DATA  
Type  
4-Cycle, Water Cooled  
Aspiration  
Turbo-Charged, Inter Cooler  
(Fresh water to Cooler)  
Cylinder Arragement  
No.of Cylinders  
60oV  
12  
Bore mm(in.)  
150  
160  
33.93 (2071)  
15.3:1  
(5.91)  
(6.30)  
Stroke mm(in.)  
Displacement liter(in3)  
Compression Ratio  
Dry Weight - Engine only - kg(lb )  
Wet Weight - Engine only - kg(lb )  
PERFORMANCE DATA  
Steady State Speed Stability Band at any Constant Load  
Electric Governor - %  
Maximum Overspeed Capacity - rpm  
Moment of inertia of Rotating Components - kgfm2(lbfft2)  
(Includes Std.Flywheel)  
3380 (7453)  
3600 (7938)  
±0.25 or better  
2400  
37.7  
(894.8)  
Cyclic Speed Variation with Flywheel at 1800rpm  
1/449  
ENGINE MOUNTING  
Maximum Bending Moment at Rear Face of Flywheel Housing - kgfm(lbfft)  
AIR INLET SYSTEM  
200  
(1447)  
Maximum Intake Air Restriction (Includes piping)  
With Clean Filter Element - mm H 2O (in.H2O)  
With Dirty Filter Element - mm H2O (in.H2O)  
EXHAUST SYSTEM  
400  
635  
(15.7)  
(25.0)  
Maximum Allowable Back Pressure - mm H2O (in.H2O)  
LUBRICATION SYSTEM  
600  
(23.6)  
Oil Pressure at ldle - kgf/cm2(psi)  
23 (2943)  
46 (5786)  
110  
100  
80  
at Rate Speed - kgf/cm2(psi)  
o
Maximum Oil Temperature - C(oF)  
(230)  
(26.4)  
(21.1)  
(31.7)  
Oil Capacity of Standard Pan High - liter (U.S.gal)  
Low - liter (U.S.gal)  
Total System Capacity (lncludes Oil Filter) - liter (U.S.gal)  
Maximum Angle of lnstallation (Std. Pan) Front Down  
120  
9.5o  
11o  
(Engine Only)  
Front Up  
Side to Side  
22.5o  
COOLING SYSTEM  
Coolant Capacity of Jacket (Engine only) - liter (U.S.gal)  
Coolant Capacity of Air cooler (Engine only) - liter (U.S.gal)  
Maximum External Friction Head at Engine Outlet - kgf/cm 2(psi)  
(For Jacket and Air Cooler)  
86  
14  
(22.7)  
(3.7)  
0.35  
10  
(5.0)  
(32.8)  
Maximum Static Head of Coolant above Crankshaft Center - m(ft)  
Standard Thermostat (modulating)Range of Jacket - C(oF)  
6585 (149185)  
3550 (95122)  
98  
o
Standard Thermostat (modulating)Range of Air Cooler - C(oF)  
o
Maximum Coolant Temperature at Engine Outlet - C(oF)  
(208)  
o
Minimum Coolant Expansion Space - % of System Capacity  
(For Jacket and Air Cooler)  
10  
45  
10  
(0.4)  
(113)  
(0.4)  
o
Maximum Coolant Temperature at Intercooler lnlet, PTAW type - C(oF)  
Maximum Air Restriction on Discharge Side of Radiator and Fan - mm H 2O(in.H2O)  
APPLICATION : GENERATOR  
Pub. No.T13-0631-E  
Dec. '06 Printed in Japan  
Certified for US EPA-Tier 2 / Constant Speed  
Standard Model [800kWe/60Hz]  
        M ITSUBISHI  
S12A2-Y2PTAW-2  
ENGINE RATING  
SPECIFICATION SHEET         DIESEL ENGINE  
All data represent net performance with standard accessories such as air cleaner, inlet /exhaust manifolds, fuel oil system,  
L.O. pump, etc. under the condition of 100kPa(29.6inHg) barometric pressure, 77oF(25oC) ambient temperature and 30%  
relative humidity.  
STAND-BY POWER  
60Hz  
PRIME POWER  
60Hz  
ITEM  
UNIT  
rpm  
Engine Speed  
1800  
1800  
No. of Cylinders  
12  
Bore  
mm  
(in.)  
150  
(5.91)  
160  
Stroke  
mm  
(in.)  
(6.30)  
33.93  
Displacement  
liter  
(in.3)  
(2071)  
Brake Horse power without Fan  
HP  
1207  
(900)  
18.0  
1099  
(820)  
16.4  
(kW)  
kgf/cm2  
Brake Mean Effective Pressure  
without Fan  
(psi)  
(256)  
9.6  
(233)  
9.6  
Mean Piston Speed  
m/s  
(ft/min)  
HP  
(1890)  
125  
(1890)  
125  
Maximum Regenerative Power  
Absorption Capacity without Fan  
Intake Air flow  
(kW)  
(93)  
(93)  
m3/min  
(CFM)  
m3/min  
(CFM)  
liter/min  
(U.S. GPM)  
liter/min  
(U.S. GPM)  
m3/min  
(CFM)  
HP  
88  
75  
(3107)  
232  
(2648)  
200  
Exhaust Gas Flow  
Coolant Flow  
(8192)  
1100  
(291)  
470  
(7062)  
1100  
(291)  
470  
Coolant Flow to Intercooler  
(PTAW only)  
(124)  
(124)  
Cooling Air Flow  
(Std. Fan)  
Allowable Fan Loss Horse Power  
51  
51  
(kW)  
(38)  
(38)  
Radiated Heat to Ambient  
Heat Rejection to Coolant  
kcal/hr  
(BTU/min)  
kcal/hr  
(BTU/min)  
kcal/hr  
(BTU/min)  
kcal/hr  
(BTU/min)  
dB(A)  
66155  
(4375)  
308721  
(20418)  
242567  
(16043)  
813498  
(53804)  
105  
56798  
(3757)  
265058  
(17531)  
208260  
(13774)  
658220  
(43534)  
103  
Heat Rejection to Air Cooler  
(PTAW Version)  
Heat Rejection to Exhaust  
Noise Level (1 m height & distance)  
(excludes, lntake,Exhaust & Fan)  
The specifications are subject to change without notice.  
Pub. No.T13-0471-E  
APPLICATION : GENERATOR  
Dec. '06 Printed in Japan  

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