Mitsubishi S12R-Y2PTAW-1 User Manual
Certified for US EPA-Tier 2 / Constant Speed
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Standard Model [1250kWe/60Hz]
MITSUBISHI
S12R-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.) 170 (6.69)
Stroke mm(in.) 180 (7.09)
Displacement liter(in
3
) 49.03 (2992)
Compression Ratio 14.5:1
Dry Weight - Engine only - kg(lb) 5270 (11620)
Wet Weight - Engine only - kg(lb) 5555 (12249)
PERFORMANCE DAT
Steady State Speed Stability Band at any Constant Loa
Electric Governor - % ±0.25 or better
Maximum Overspeed Capacity - rpm 2100
Moment of inertia of Rotating Components - kgf・m
(Includes Std.Flywheel
Cyclic Speed Variation with Flywheel at 1800rpm 1/576
ENGINE MOUNTIN
Maximum Bending Moment at Rear Face of Flywheel Housing - kgf・m(lbf・ft) 450 (3255.6)
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) 5〜6.5 (71〜93)
oC(o
F) 110 230
Oil Capacity of Standard Pan High - liter (U.S.gal) 150 (40)
Low - liter (U.S.gal) 108 (28.5)
Total System Capacity (lncludes Oil Filter) - liter (U.S.gal) 180 (47.6)
Maximum Angle of lnstallation (Std. Pan) Front Down 6.5
(Engine Only) Front Up 6.5
COOLING SYSTE
Coolant Capacity of Jacket (Engine only) - liter (U.S.gal) 116 (30.6)
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 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
) 75.3 (1787.2)
O (in.H2O) 600 (23.6)
2
Side to Side 22.5
2
(psi)
oC(o
F) 71〜85 (160〜185)
oC(o
F) 42〜55 (108〜131)
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. T13-0634-E
Oct. '06 Printed in Japan
Certified for US EPA-Tier 2 / Constant Speed
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y
5
p
R
Standard Model [1250kWe/60Hz]
MITSUBISHI
S12R-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) 150 (5.9)
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 PS6 Type × 2
ecifications are subject to change without notice.
The s
APPLICATION : GENERATO
Pub. No. T13-0634-E
Oct. '06 Printed in Japan
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