Certified for US EPA-Tier 2 / Constant Speed
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s
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G
H
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Standard Model [800kWe/60Hz]
MITSUBISHI
S12A2-Y2PTAW-2 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.) 160 (6.30)
Displacement liter(in
3
) 33.93 (2071)
Compression Ratio 15.3:1
Dry Weight - Engine only - kg(lb ) 3380 (7453)
Wet Weight - Engine only - kg(lb ) 3600 (7938)
PERFORMANCE DAT
Steady State Speed Stability Band at any Constant Loa
Electric Governor - % ±0.25 or better
Maximum Overspeed Capacity - rpm 2400
Moment of inertia of Rotating Components - kgf・m
(Includes Std.Flywheel
Cyclic Speed Variation with Flywheel at 1800rpm 1/449
2
(lbf・f
2
) 37.7 (894.8)
12
ENGINE MOUNTIN
Maximum Bending Moment at Rear Face of Flywheel Housing - kgf・m(lbf・ft) 200 (1447)
AIR INLET SYSTEM
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 SYSTEM
Maximum Allowable Back Pressure - mm
O (in.H2O) 600 (23.6)
2
LUBRICATION SYSTE
Oil Pressure at ldle - kgf/cm2(psi) 2〜3 (29〜43)
at Rate Speed - kgf/c
Maximum Oil Temperature Oil Capacity of Standard Pan High - liter (U.S.gal) 100 (26.4)
Total System Capacity (lncludes Oil Filter) - liter (U.S.gal) 120 (31.7)
Maximum Angle of lnstallation (Std. Pan) Front Down 9.5
(Engine Only) Front Up 11
2
(psi) 4〜6 (57〜86)
oC(o
F) 110 (230)
Low - liter (U.S.gal) 80 (21.1)
o
o
Side to Side 22.5
o
COOLING SYSTEM
Coolant Capacity of Jacket (Engine only) - liter (U.S.gal) 86 (22.7)
Coolant Capacity of Air cooler (Engine only) - liter (U.S.gal) 14 (3.7)
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 -
oC(o
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
(psi)
oC(o
F) 65〜85 (149〜185)
oC(o
F) 35〜50 (95〜122)
F) 98 (208)
oC(o
F) 45 (113)
O(in.H2O) 10 (0.4)
2
APPLICATION : GENERATO
Pub. No.T13-0631-E
Dec. '06 Printed in Japan
Certified for US EPA-Tier 2 / Constant Speed
r
y
5
p
R
Standard Model [800kWe/60Hz]
MITSUBISHI
S12A2-Y2PTAW-2 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 & Leak Pipe - mm Hg (in.Hg) 150 (5.9)
STARTING SYSTEM
Battery Charging Alternator - V- Ah 24-25
Starting Motor Capacity - V - kW 24-6.0 × 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) 500
Bosch P Type × 2
ecifications are subject to change without notice.
The s
APPLICATION : GENERATO
Pub. No.T13-0471-E
Dec. '06 Printed in Japan
Certified for US EPA-Tier 2 / Constant Speed
G
R
Standard Model [800kWe/60Hz]
MITSUBISHI
S12A2-Y2PTAW-2 SPECIFICATION SHEET DIESELENGINE
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 1207 1099
Brake Mean Effective Pressure kgf/cm
without Fan (psi) (256) (233)
Mean Piston Speed m/s 9.6 9.6
Maximum Regenerative Power HP 125 125
Absorption Capacity without Fan (kW) (93) (93)
Intake Air flow m
Exhaust Gas Flow m
Coolant Flow liter/min 1100 1100
Coolant Flow to Intercooler liter/min 470 470
(PTAW only) (U.S. GPM) (124) (124)
Cooling Air Flow m
(Std. Fan) (CFM)
Allowable Fan Loss Horse Power HP 51 51
(kW) (38) (38)
Radiated Heat to Ambient kcal/hr 66155 56798
Heat Rejection to Coolant kcal/hr 308721 265058
Heat Rejection to Air Cooler kcal/hr 242567 208260
(PTAW Version) (BTU/min) (16043) (13774)
Heat Rejection to Exhaust kcal/hr 813498 658220
Noise Level (1 m height & distance) dB(A) 105 103
(excludes, lntake,Exhaust & Fan)
3
(in.
)
(kW) (900) (820)
2
(ft/min) (1890) (1890)
3
/min 88 75
(CFM) (3107) (2648)
3
/min 232 200
(CFM) (8192) (7062)
(U.S. GPM) (291) (291)
3
/min
(BTU/min) (4375) (3757)
(BTU/min) (20418) (17531)
(BTU/min) (53804) (43534)
18.0 16.4
−−
12
150
(5.91)
160
(6.30)
33.93
(2071)
APPLICATION : GENERATO
Dec. '06 Printed in Japan
The specifications are subject to change without notice.
Pub. No.T13-0471-E
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