OEM 9237308 S12A2 S12A2-Y1TAA1 S12A2-PTA engine assy

All three engine assemblies are 12-cylinder, turbocharged diesel engines produced by Komatsu. The S12A2 has a maximum output of 1,127 horsepower (840 kW) at 1,800 rpm, while the S12A2-Y1TAA1 has a maximum output of 1,194 horsepower (890 kW) at 1,800 rpm, and the S12A2-PTA has a maximum output of 1,072 horsepower (800 kW) at 1,800 rpm.

The engines have a bore of 5.51 inches (140 mm) and a stroke of 6.50 inches (165 mm). The total displacement of the engine is 2,210 cubic inches (36.2 liters). The dry weight of the engine assembly is approximately 14,000 pounds (6,350 kg).

All three engine assemblies are designed for use in heavy machinery applications, such as construction equipment and mining trucks. They are built to be durable and reliable, with features such as a heavy-duty block and cylinder head, and a high-capacity oil cooler to help ensure efficient operation even in demanding environments.

 

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