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Mitsubishi s12r-y2ptaw-1 User Manual

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Certified for US EPA-Tier 2 / Constant Speed
Standard Model [1250kWe/60Hz]
MITSUBISHI
S12R-Y2PTAW-1
          SPECIFICATION SHEET
DIESEL ENGINES
GENERAL ENGINE DATA
Type  
4-Cycle, Water Cooled
Aspiration
Turbo-Charged, Inter Cooler
 (Fresh water to Cooler)
Cylinder Arragement
60
o
V
No.of Cylinders
12
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 DATA
Steady State Speed Stability Band at any Constant Load
Electric Governor - % 
±0.25 or better
Maximum Overspeed Capacity - rpm
2100
Moment of inertia of Rotating Components - kgf・m
2
(lbf・ft
2
)
75.3
(1787.2)
(Includes Std.Flywheel)
Cyclic Speed Variation with Flywheel at 1800rpm
1/576
      
ENGINE MOUNTING
Maximum Bending Moment at Rear Face of Flywheel Housing - kgf・m(lbf・ft)
450
(3255.6)
AIR INLET SYSTEM
Maximum Intake Air Restriction (Includes piping)      
With Clean Filter Element - mm H
2
O (in.H
2
O)
400
(15.7)
With Dirty Filter Element - mm H
2
O (in.H
2
O)
635
(25.0)
EXHAUST SYSTEM
Maximum Allowable Back Pressure - mm H
2
O (in.H
2
O)
600
(23.6)
LUBRICATION SYSTEM
Oil Pressure  at ldle - kgf/cm
2
(psi)
2∼3
(29∼43)
   
at Rate Speed - kgf/cm
2
(psi)
5∼6.5 (71∼93)
Maximum Oil Temperature - 
o
C(
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
o
(Engine Only)                                  
Front Up
6.5
o
Side to Side
22.5
o
COOLING SYSTEM
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
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 - 
o
C(
o
F)
71∼85 (160∼185)
Standard Thermostat (modulating)Range of Air Cooler - 
o
C(
o
F)
42∼55 (108∼131)
Maximum Coolant Temperature at Engine Outlet  of Jacket - 
o
C(
o
F)
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 - 
o
C(
o
F)
45
(113)
Maximum Air Restriction on Discharge Side of Radiator and Fan - mm H
2
O(in.H
2
O)
10
(0.4)
APPLICATION : GENERATOR
Pub. No. T13-0634-E
Oct. '06 Printed in Japan