Final answer:
The Kovatch-International R-11 has a Detroit Diesel 8V92TA engine, which is a turbocharged, after-cooled engine with a V-8 configuration known for its robustness and power.
Step-by-step explanation:
The Kovatch-International R-11 is equipped with a Detroit Diesel 8V92TA engine. This turbocharged after-cooled engine features a V-8 configuration and is well-known for its durability and power.
It was specifically chosen for the R-11 refueling truck due to these characteristics, enabling the vehicle to transport large quantities of fuel and operate reliably in a variety of conditions at airfields.