HomeEnginesMitsubishi S12A2-Y1PTA-1

Mitsubishi S12A2-Y1PTA-1 Engine Engine

The Mitsubishi S12A2-Y1PTA-1 is a 33.93 L 12-cylinder turbocharged engine rated at 1800 rpm, producing up to 900 kW. It powers generator sets from Kohler and Simson-Maxwell, including the 800ROZMC and SMW800 T6-T1. It holds 120 L (31.7 gal) of oil and 227 L (60.0 gal) of coolant.

Also known as: Mitsubishi S12A2-Y1PTA-1

Part of the Mitsubishi S12A2-Y1PTA engine family — 2 variants share parts & fitment.

33.93 L
Displacement
12
Cylinders
1800 rpm
Rated speed
900 kW
Gross power

Engine specifications

Oil capacity120.0 L
Coolant capacity227.0 L
Displacement33.93 L
Cylinders12
AspirationTurbocharged
Rated speed1800 rpm
Gross power900 kW

Generator sets powered by this engine

2

Shared across brands: Kohler, Simson-Maxwell

Maintenance schedule

ItemSpecCapacityPart #Interval
Fuel filterCartridge find
Oil filterCartridge find
Coolant100.0 L
OilClass CD or CF oil (API Service Classification)120.0 L

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Parts cataloged across the Mitsubishi S12A2-Y1PTA family

7
Part #DescriptionCategory
37594-01300ThreeBond 1211 liquid gasketgasket
32561-67600Nozzle tipinjector
32561-76050Injection Nozzle assyinjector
32665-22040Injection pump Leftpump
32665-31040Injection pump Rightpump
04410-43400Rotation pickupsensor
37592-01400Supply air pressure sensorsensor

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 oil capacity of the Mitsubishi S12A2-Y1PTA-1?

The Mitsubishi S12A2-Y1PTA-1 engine has an oil capacity of 120.0 liters.

What is the displacement of the Mitsubishi S12A2-Y1PTA-1?

The Mitsubishi S12A2-Y1PTA-1 has a displacement of 33.93 liters with 12 cylinders.

Which generators use the Mitsubishi S12A2-Y1PTA-1 engine?

The Mitsubishi S12A2-Y1PTA-1 powers 2 generator set(s), including Kohler 800ROZMC, Simson-Maxwell SMW800 T6-T1.