Certified for US EPA-Tier 2 / Constant Speed
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Standard Model [1000kWe/60Hz]
MITSUBISHI
S12H-Y2PTAW-1 SPECIFICATION SHEET DIESEL ENGINES
GENERAL ENGINE DAT
Type 4-Cycle, Water Cooled
Aspiration Turbo-Charged, Inter Cooler
(Fresh water to Cooler)
Cylinder Arragement 60oV
o.of Cylinder
Bore mm(in.) 150 (5.91)
Stroke mm(in.) 175 (6.89)
Displacement liter(in
3
) 37.11 (2265)
Compression Ratio 14.5:1
Dry Weight - Engine only - kg(lb) 4300 (9482)
Wet Weight - Engine only - kg(lb) 4560 (10055)
PERFORMANCE DAT
Steady State Speed Stability Band at any Constant Loa
Electric Governor - % ±0.25 or better
Maximum Overspeed Capacity - rpm 2000
Moment of inertia of Rotating Components - kgf・m
(Includes Std.Flywheel
Cyclic Speed Variation with Flywheel at 1800rpm 1/523
ENGINE MOUNTIN
Maximum Bending Moment at Rear Face of Flywheel Housing - kgf・m(lbf・ft) 200 (1446.9)
AIR INLET SYSTE
Maximum Intake Air Restriction (Includes piping)
With Clean Filter Element - mm H
With Dirty Filter Element - mm H
O (in.H2O) 400 (15.7)
2
O (in.H2O) 635 (25.0)
2
EXHAUST SYSTE
Maximum Allowable Back Pressure - mm
LUBRICATION SYSTE
Oil Pressure at ldle - kgf/cm2(psi) 2〜3 (29〜43)
at Rate Speed - kgf/c
Maximum Oil Temperature -
2
(psi) 5〜6 (71〜86)
oC(o
F) 110 230
Oil Capacity of Standard Pan High - liter (U.S.gal) 180 (48)
Low - liter (U.S.gal) 150 (39.6)
Total System Capacity (lncludes Oil Filter) - liter (U.S.gal) 200 (52.8)
Maximum Angle of lnstallation (Std. Pan) Front Down 9.5
(Engine Only) Front Up 11
COOLING SYSTE
Coolant Capacity of Jacket (Engine only) - liter (U.S.gal) 83 (21.9)
Coolant Capacity of Air cooler (Engine only) - liter (U.S.gal) 17 (4.5)
Maximum External Friction Head at Engine Outlet - kgf/cm
(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 Standard Thermostat (modulating)Range of Air Cooler Maximum Coolant Temperature at Engine Outlet of Jacket Minimum Coolant Expansion Space - % of System Capacity
(For Jacket and Air Cooler) 10 (0.4)
Maximum Coolant Temperature at Intercooler lnlet, PTAW type Maximum Air Restriction on Discharge Side of Radiator and Fan - mm H
2
2
(lbf・f
) 55.6 (1319.6)
O (in.H2O) 600 (23.6)
2
Side to Side 22.5
2
(psi)
oC(o
F) 71〜85 (160〜185)
oC(o
F) 35〜50 (95〜122)
oC(o
F) 98 (208)
oC(o
F) 45 (113)
O(in.H2O) 10 (0.4)
2
12
o
o
o
APPLICATION : GENERATO
Pub. No. T13-0633-E
Dec. '06 Printed in Japan
Certified for US EPA-Tier 2 / Constant Speed
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y
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Standard Model [1000kWe/60Hz]
MITSUBISHI
S12H-Y2PTAW-1 SPECIFICATION SHEET DIESEL ENGINES
FUEL SYSTEM
Fuel Injecto
Maximum Suction Head of Feed Pump - mm Hg (in. Hg) 75 (3.0)
Maximum Static Head of Return Pipe - mm Hg (in.Hg) 220 (8.7)
STARTING SYSTEM
Battery Charging Alternator - V- Ah 24-30
Starting Motor Capacity - V - kW 24-7.5 × 2
Maximum Allowable Resistance of Cranking Circuit - m Ω 1.5
Recommended Minimum Battery Capacit
At 5oC (41oF) and above - Ah 300
Below
o
C (41oF) through - 5oC (23oF) 600
Mitsubishi Electrical controlled Unit injector × 12
ecifications are subject to change without notice.
The s
APPLICATION : GENERATO
Pub. No. T13-0633-E
Dec. '06 Printed in Japan
Certified for US EPA-Tier 2 / Constant Speed
S
G
R
Standard Model [1000kWe/60Hz]
MITSUBISHI
S12H-Y2PTAW-1 SPECIFICATION SHEET DIESEL ENGINE
ENGINE RATIN
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, 77
relative humidity.
o
F(25oC) ambient temperature and 30%
ITEM UNIT
STAND-BY POWER
PRIME POWER
60Hz 60Hz
Engine Speed rpm 1800 1800
No. of Cylinders
Bore mm
(in.)
Stroke mm
(in.)
Displacement liter
Brake Horse power without Fan HP 1528 1389
Brake Mean Effective Pressure kgf/cm
without Fan (psi) (297) (270)
Mean Piston Speed m/s 10.5 10.5
Maximum Regenerative Power HP 145 145
Absorption Capacity without Fan (kW) (108) (108)
Intake Air flow m
Exhaust Gas Flow m
Coolant Flow liter/min 1450 1450
Coolant Flow to Intercooler liter/min 500 500
(PTAW only) (U.S. GPM) (132) (132)
Cooling Air Flow m
(Std. Fan) (CFM)
Allowable Fan Loss Horse Power HP 54 54
(kW) (40) (40)
Radiated Heat to Ambient kcal/hr 76835 70236
Heat Rejection to Coolant kcal/hr 358563 327770
Heat Rejection to Air Cooler kcal/hr 281728 257534
(PTAW Version) (BTU/min) (18633) (17033)
Heat Rejection to Exhaust kcal/hr 863831 794890
Noise Level (1 m height & distance) dB(A) 113 111
(excludes, lntake,Exhaust & Fan)
3
(in.
)
(kW) (1140) (1036)
2
(ft/min) (2067) (2067)
3
/min 102 93
(CFM) (3602) (3284)
3
/min 270 247
(CFM) (9534) (8722)
(U.S. GPM) (383) (383)
3
/min
(BTU/min) (5082) (4645)
(BTU/min) (23715) (21678)
(BTU/min) (57133) (52573)
20.9 19.0
−−
12
150
(5.91)
175
(6.89)
37.11
(2265)
APPLICATION : GENERATO
Dec. '06 Printed in Japan
The specifications are subject to change without notice.
Pub. No. T13-0633-E
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