What type of engine is used in the T-6A?

The T-6A Texan II is powered by the Pratt and Whitney PT6A-68 engine, a well-known turboprop engine recognized for its reliability and performance in various aircraft. This specific engine provides the T-6A with a maximum output of approximately 1,100 shaft horsepower, enabling it to meet the demands of both training and operational flights effectively. The PT6A-68 features a two-stage axial and one-stage centrifugal compressor design, contributing to its efficient fuel consumption and overall performance characteristics.

Other options list engines from different manufacturers that are designed for various types of aircraft, but they do not fit the specifications or application of the T-6A. For instance, the Rolls-Royce AE 2100 is a turboprop engine commonly used in regional airliners, while the General Electric T58 is a turboshaft engine mainly used in helicopters. The Turbomeca Arriel 1D is another turboshaft engine, primarily found in smaller helicopters. Each of these options serves different operational needs and aircraft configurations, which do not align with the T-6A's requirements.