Facts About Generators
GeneratorsDirectoryEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Engines›Mitsubishi S12A2-MPTAW

Mitsubishi S12A2-MPTAW Engine Engine

The Mitsubishi S12A2-MPTAW is a 33.93 L 12-cylinder turbocharged and air-cooled engine rated at 1200 rpm, producing up to 709 kW. It powers generator sets from Mitsubishi and engineservice.olthof.eu, including the MAS 850, S12A2-MPTA and S12A2-MPTA.

Part of the Mitsubishi S12A2 engine family — 9 variants share parts & fitment.

33.93 L
Displacement
12
Cylinders
1200 rpm
Rated speed
709 kW
Gross power

Engine specifications

Displacement33.93 L
Cylinders12
Aspirationturbocharged and air-cooled
Rated speed1200 rpm
Gross power709 kW

Generator sets powered by this engine

3

Shared across brands: Mitsubishi, engineservice.olthof.eu

Mitsubishi MAS 850Mitsubishi S12A2-MPTAengineservice.olthof.eu S12A2-MPTA

Parts cataloged across the Mitsubishi S12A2 family

138
Part #DescriptionCategory
04343-35500Alternator (Initial exciting type (brushless))alternator
04343-38000Alternator (Self exciting type (with brush))alternator
04344-05001Alternator (Self exciting type (with brush))alternator
34368-02400Alternator (Initial exciting type (brushless))alternator
34468-21100Alternator (Initial exciting type (with brush))alternator
32591-09100Belt gaugebelt
32620-00300Crankshaft pulley (V-belt)belt
32620-01100Crankshaft pulley (Ribbed belt)belt
32620-10500Crankshaft pulley (V-belt)belt
37594-01300Liquid gasket: ThreeBond 1211fluid
04122-39001Fuel filter (Wire element type)fuel_filter
32562-60010Fuel filter (Diesel oil)fuel_filter
32562-61010Fuel filter (Diesel oil)fuel_filter
37562-70800Fuel filter (Diesel oil, change over type)fuel_filter
04239-00050Nozzle testerinjector
36291-00900Nozzle removerinjector
04400-02000Stop solenoid (RUN OFF)other_service
04400-08801Stop solenoid (RUN ON)other_service
04400-28800Stop solenoid (RUN ON)other_service
05930-00200Eyebolt (M12 × 1.25 mm)other_service
08014-00003Eye nut (M12 × 1.25 mm)other_service
30091-07500Valve lapperother_service
30091-08800Valve lapperother_service
32507-62400Cylinder liner (S12A2-1)other_service
32517-91101Piston (Compression ratio 14.0, With Almite treatment)other_service
32517-91201Piston (Compression ratio 14.0, Without Almite treatment)other_service
32525-10300Drive case (S3S spec)other_service
32561-54010Orificeother_service
32561-57090Orificeother_service
32561-64010Orificeother_service
32561-76050Orificeother_service
32561-79010Orificeother_service
32591-01100Socket wrenchother_service
32591-01800Installerother_service
32591-02500Idler bushing pullerother_service
32591-02600Rocker bushing pullerother_service
32591-02800Socket (Left-hand thread)other_service
32591-03600Bearing installerother_service
32591-04050Crankcase grinderother_service
32591-04200Valve seat pullerother_service
32591-04300Adapterother_service
32591-14100Cylinder liner removerother_service
32591-18010Connecting rod bushing installerother_service
32605-40101Camshaft (Right)other_service
32605-40201Camshaft (Left)other_service
32607-03400Cylinder liner (S12A2-2)other_service
32608-00200Cylinder liner (S12A2-1)other_service
32608-00300Cylinder liner (S12A2-2)other_service
32613-03700Oil pan (Deep type 170L)other_service
32613-40101Oil pan (Shallow type)other_service
32613-63100Oil pan (Deep type 170L)other_service
32617-00600Piston (Compression ratio 15.3, With Almite treatment)other_service
32617-00701Piston (Compression ratio 15.3, Without Almite treatment)other_service
32619-81110Connecting rodother_service
32619-81210Connecting rodother_service
32619-81310Connecting rodother_service
32619-81410Connecting rodother_service
32619-81510Connecting rodother_service
32619-81610Connecting rodother_service
32619-81710Connecting rodother_service
32619-81810Connecting rodother_service
32620-00700Front pulleyother_service
32620-01892Crankshaftother_service
32620-40193Crankshaftother_service
32621-00052Flywheel (Standard)other_service
32621-00080Flywheel (FCD)other_service
32625-04301Front pulleyother_service
32625-04801Front pulleyother_service
32625-05901Front pulleyother_service
32625-09100Drive case (S7S spec)other_service
32625-09200Drive case (S7S spec)other_service
32625-10300Drive case (S3S spec)other_service
32625-15100Drive case (S3S spec)other_service
32625-54101Front pulleyother_service
32630-11021Air cooler (External cooling, Right)other_service
32630-12021Air cooler (External cooling, Left)other_service
32630-37020Air cooler (PTA2, Right)other_service
32630-37030Air cooler (PTA2, Left)other_service
32630-45021Air cooler (Fresh water cooling, Left)other_service
32630-46021Air cooler (Fresh water cooling, Right)other_service
32635-10020Side clearance between gear width and case depthother_service
32635-20010Side clearance between gear width and case depthother_service
32655-00021Air cooler (Sea water cooling)other_service
32661-01050Orificeother_service
32661-01090Orificeother_service
32661-11060Orificeother_service
32661-11070Orificeother_service
32691-01500Connecting rod gaugeother_service
32691-01600Connecting rod gaugeother_service
32691-04200Bearing installerother_service
32691-04300Bearing installerother_service
32691-07100Fan pulley adapterother_service
33591-04500Valve spring pusherother_service
33A91-01700Compression gaugeother_service
35A07-17100Shim (0.10 mm)other_service
35A07-17200Shim (0.20 mm)other_service
35A07-17300Shim (0.30 mm)other_service
35A07-17400Shim (0.40 mm)other_service
35A07-17500Shim (0.05 mm)other_service
35A07-17600Shim (0.15 mm)other_service
35A07-17700Shim (0.25 mm)other_service
35A07-17800Shim (0.35 mm)other_service
35A61-11030Orificeother_service
35A91-05010Valve seat caulking tool (Inlet)other_service
35A91-05020Valve seat caulking tool (Exhaust)other_service
36291-02200Gauge adapterother_service
36291-04200Valve guide removerother_service
37191-03200Ring expanderother_service
37191-06600Thread coverother_service
37191-07100Piston installerother_service
37591-06400Valve seat cutter Shaftother_service
37591-06430Valve seat cutterother_service
37598-09201Projection plateother_service
45113-93701Oil pan (Deep type)other_service
45120-90300Front pulleyother_service
45125-97300Front pulleyother_service
45146-98200Heat exchanger (Expansion tank)other_service
45152-90001Heat exchangerother_service
45685-60600Front pulleyother_service
45815-32201Eyebolt (M8 × 1.25 mm)other_service
45815-32301Eyebolt (M10 × 1.5 mm)other_service
46648-03400Fan (D1250, PUSH)other_service
46805-22001Heat exchangerother_service
99266-A2100S12A2-Y2PTAW Diesel Engineother_service
32645-18401Water pumppump
32645-92020Water pumppump
32653-05010Water pumppump
32691-01200Water pump wrenchpump
32691-02700Oil pump bush Pullerpump
32591-03100Oil seal installerseal
32591-03200Oil seal installerseal
32591-07012Rear seal installer assemblyseal
32591-10300Guide and seal installerseal
32691-00042Front seal installer assemblyseal
37191-06300Unit seal installerseal
32591-01200Starter valve adapterstarter
32666-10300Starter (Single wire type)starter
32666-10400Starter (2-wire type)starter

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

What is the displacement of the Mitsubishi S12A2-MPTAW?

The Mitsubishi S12A2-MPTAW has a displacement of 33.93 liters with 12 cylinders.

Which generators use the Mitsubishi S12A2-MPTAW engine?

The Mitsubishi S12A2-MPTAW powers 3 generator set(s), including Mitsubishi MAS 850, Mitsubishi S12A2-MPTA, engineservice.olthof.eu S12A2-MPTA.