Mitsubishi S12A2-Y2PTAW-2 User Manual
Certified for US EPA-Tier 2 / Constant Speed
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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
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