The Cummins KTA38 series has a reputation to perform at the highest levels in the most severe climates. The series has benefited from years of technical development and improvement to future proof the series. The engines have an inbuilt step timing control system which makes sure that the engine is working effectively in all combinations of load and ambient temperature.
The engines have some impressive features. For example the after cooler used allows for reduced engine stresses for a longer life and low exhaust emissions. The pistons have also been designed to allow for thermal expansion which allows for a tight fit in all operating temperatures.
Engines in this range include: