Mitsubishi Diesel Engine S12H-Y2PTAW-1 User manual

Certified for US EPA-Tier 2 / Constant Speed
Standard Model [1000kWe/60Hz] MITSUBISHI
S12H-Y2PTAW-1 SPECIFICATION SHEET DIESEL ENGINES
GENERAL ENGINE DAT
A
Type 4-Cycle, Water Cooled
Aspiration Turbo-Charged, Inter Cooler
(Fresh water to Cooler)
Cylinder Arragement 60oV
N
o.of Cylinder
s
12
Bore mm(in.) 150 (5.91)
Stroke mm(in.) 175 (6.89)
Displacement liter(in3) 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
A
Steady State Speed Stability Band at any Constant Loa
d
Electric Governor - % ±0.25 or better
Maximum Overspeed Capacity - rpm 2000
Moment of inertia of Rotating Components - kgf・m2(lb
f
・f
t
2) 55.6 (1319.6)
(Includes Std.Flywheel
)
Cyclic Speed Variation with Flywheel at 1800rpm 1/523
ENGINE MOUNTIN
G
Maximum Bending Moment at Rear Face of Flywheel Housing - kg
f
・m(lb
f
・ft) 200 (1446.9)
AIR INLET SYSTE
M
Maximum Intake Air Restriction (Includes piping)
With Clean Filter Element - mm H2O (in.H2O) 400 (15.7)
With Dirty Filter Element - mm H2O (in.H2O) 635 (25.0)
EXHAUST SYSTE
M
Maximum Allowable Back Pressure - mm
H
2O (in.H2O) 600 (23.6)
LUBRICATION SYSTE
M
Oil Pressure at ldle - kgf/cm2(psi) 2〜3 (29〜43)
at Rate Speed - kgf/c
m
2(psi) 5〜6 (71〜86)
Maximum Oil Temperature - oC(oF) 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 9.5o
(Engine Only) Front Up 11o
Side to Side 22.5o
COOLING SYSTE
M
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 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) 35〜50 (95〜122)
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 : GENERATO
R
Pub. No. T13-0633-E
Dec. '06 Printed in Japan

Certified for US EPA-Tier 2 / Constant Speed
Standard Model [1000kWe/60Hz] MITSUBISHI
S12H-Y2PTAW-1 SPECIFICATION SHEET DIESEL ENGINES
FUEL SYSTEM
Fuel Injecto
r
Mitsubishi Electrical controlled Unit injector × 12
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 Ω1.5
Recommended Minimum Battery Capacit
y
At 5oC (41oF) and above - Ah 300
Below
5
oC (41oF) through - 5oC (23oF) 600
The s
p
ecifications are sub
j
ect to chan
g
e without notice.
APPLICATION : GENERATO
R
Pub. No. T13-0633-E
Dec. '06 Printed in Japan

Certified for US EPA-Tier 2 / Constant Speed
Standard Model [1000kWe/60Hz] MITSUBISHI
S12H-Y2PTAW-1 SPECIFICATION SHEET DIESEL ENGINE
S
ENGINE RATIN
G
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.
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
(in.3)
Brake Horse power without Fan HP 1528 1389
(kW) (1140) (1036)
Brake Mean Effective Pressure kgf/cm220.9 19.0
without Fan (psi) (297) (270)
Mean Piston Speed m/s 10.5 10.5
(ft/min) (2067) (2067)
Maximum Regenerative Power HP 145 145
Absorption Capacity without Fan (kW) (108) (108)
Intake Air flow m3/min 102 93
(CFM) (3602) (3284)
Exhaust Gas Flow m3/min 270 247
(CFM) (9534) (8722)
Coolant Flow liter/min 1450 1450
(U.S. GPM) (383) (383)
Coolant Flow to Intercooler liter/min 500 500
(PTAW only) (U.S. GPM) (132) (132)
Cooling Air Flow m3/min
(Std. Fan) (CFM)
Allowable Fan Loss Horse Power HP 54 54
(kW) (40) (40)
Radiated Heat to Ambient kcal/hr 76835 70236
(BTU/min) (5082) (4645)
Heat Rejection to Coolant kcal/hr 358563 327770
(BTU/min) (23715) (21678)
Heat Rejection to Air Cooler kcal/hr 281728 257534
(PTAW Version) (BTU/min) (18633) (17033)
Heat Rejection to Exhaust kcal/hr 863831 794890
(BTU/min) (57133) (52573)
Noise Level (1 m height & distance) dB(A) 113 111
(excludes, lntake,Exhaust & Fan)
The s
p
ecifications are sub
j
ect to chan
g
e without notice.
APPLICATION : GENERATO
R
Pub. No. T13-0633-E
Dec. '06 Printed in Japan
(2265)
12
150
(5.91)
175
(6.89)
37.11
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