Mitsubishi Diesel Engine S12A2-Y2PTAW-2 Specification Sheet

Certified for US EPA-Tier 2 / Constant Speed
Standard Model [800kWe/60Hz]
S12A2-Y2PTAW-2

GENERAL ENGINE DATA

Type
Aspiration
Cylinder Arragement
No.of Cylinders
Bore mm(in.)
Stroke mm(in.)
Displacement liter(in
Compression Ratio
Dry Weight - Engine only - kg(lb )
Wet Weight - Engine only - kg(lb )

PERFORMANCE DATA

Steady State Speed Stability Band at any Constant Load
Electric Governor - %
Maximum Overspeed Capacity - rpm
Moment of inertia of Rotating Components - kgf・m
(Includes Std.Flywheel)
Cyclic Speed Variation with Flywheel at 1800rpm

ENGINE MOUNTING

Maximum Bending Moment at Rear Face of Flywheel Housing - kgf・m(lbf・ft)

AIR INLET SYSTEM

Maximum Intake Air Restriction (Includes piping)
With Clean Filter Element - mm H
With Dirty Filter Element - mm H

EXHAUST SYSTEM

Maximum Allowable Back Pressure - mm H

LUBRICATION SYSTEM

Oil Pressure at ldle - kgf/cm
at Rate Speed - kgf/cm
Maximum Oil Temperature -
Oil Capacity of Standard Pan
Total System Capacity (lncludes Oil Filter) - liter (U.S.gal)
Maximum Angle of lnstallation (Std. Pan) Front Down
(Engine Only)

COOLING SYSTEM

Coolant Capacity of Jacket (Engine only) - liter (U.S.gal)
Coolant Capacity of Air cooler (Engine only) - liter (U.S.gal)
Maximum External Friction Head at Engine Outlet - kgf/cm
(For Jacket and Air Cooler)
Maximum Static Head of Coolant above Crankshaft Center - m(ft)
Standard Thermostat (modulating)Range of Jacket -
Standard Thermostat (modulating)Range of Air Cooler -
Maximum Coolant Temperature at Engine Outlet -
Minimum Coolant Expansion Space - % of System Capacity
(For Jacket and Air Cooler)
Maximum Coolant Temperature at Intercooler lnlet, PTAW type -
Maximum Air Restriction on Discharge Side of Radiator and Fan - mm H
APPLICATION : GENERATOR
Dec. '06 Printed in Japan
SPECIFICATION SHEET
3
)
O (in.H O)
2 2
O (in.H O)
2 2
O (in.H
2
2
(psi)
2
(psi)
o o
C( F)
High - liter (U.S.gal)
Low - liter (U.S.gal)
Front Up
Side to Side
4-Cycle, Water Cooled
Turbo-Charged, Inter Cooler
(Fresh water to Cooler)
2 2
(lbf・ft )
O)
2
2
(psi)
o o
C( F)
o o
C( F)
o o
C( F)
o o
C( F)
O(in.H
2
MITSUBISHI
DIESEL ENGINES
o
60 V
12
150 (5.91)
160 (6.30)
33.93 (2071)
15.3:1
3380 (7453)
3600 (7938)
±0.25 or better
2400
37.7 (894.8)
1/449
200 (1447)
400 (15.7)
635 (25.0)
600 (23.6)
2∼3 (29∼43)
4∼6 (57∼86)
110 (230)
100 (26.4)
80 (21.1)
120 (31.7)
o
9.5
o
11
o
22.5
86 (22.7)
14 (3.7)
0.35 (5.0)
10 (32.8)
65∼85 (149∼185)
35∼50 (95∼122)
98 (208)
10 (0.4)
45 (113)
O) 10 (0.4)
2
Pub. No.T13-0631-E