Mitsubishi s12r-y2ptaw-1 User Manual

Page of 3
Certified for US EPA-Tier 2 / Constant Speed
Standard Model [1250kWe/60Hz]
        MITSUBISHI
S12R-Y2PTAW-1
SPECIFICATION SHEET
        DIESEL ENGINES
 ENGINE RATING
 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
o
F(25
o
C) 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
1881
1709
(kW)
(1403)
(1275)
Brake Mean Effective Pressure 
kgf/cm
2
19.4
17.7
without Fan
(psi)
(276)
(252)
Mean Piston Speed
m/s
10.8 
10.8 
(ft/min)
(2126)
(2126)
Maximum Regenerative Power 
HP
193
193
Absorption Capacity without Fan
(kW)
(144)
(144)
Intake Air flow
m
3
/min
135 121 
(CFM)
(4767)
(4273)
Exhaust Gas Flow
m
3
/min
356
320
(CFM)
(12570)
(11299)
Coolant Flow
liter/min
1850
1850
(U.S. GPM)
(489)
(489)
Coolant Flow to Intercooler
liter/min
340
340
(PTAW only)
(U.S. GPM)
(90)
(90)
Cooling Air Flow
m
3
/min
(Std. Fan)
(CFM)
Allowable Fan Loss Horse Power
HP
67
67
 (kW)
(50)
(50)
Radiated Heat to Ambient
kcal/hr
101344
91105
(BTU/min)
(6703)
(6026)
Heat Rejection to Coolant
kcal/hr
439159
394787
(BTU/min)
(29045)
(26111)
Heat Rejection to Air Cooler
kcal/hr
439159
394787
(PTAW Version)
(BTU/min)
(29045)
(26111)
Heat Rejection to Exhaust
kcal/hr
1192141
1059861
(BTU/min)
(78847)
(70098)
Noise Level (1 m height & distance)
dB(A)
110
108
(excludes, lntake,Exhaust & Fan)
The specifications are subject to change without notice.
APPLICATION : GENERATOR
Pub. No. T13-0634-E
Oct. '06 Printed in Japan 
(2992)
12
170
(6.69)
180
(7.09)
49.03