The ÖBB Class 2043 is a class of diesel-hydraulic locomotives operated by Austrian Federal Railways (ÖBB) in Austria.

The locomotives have a B-B wheel arrangement and are powered by Jenbach LM1500 diesel motors.

[2] They are equipped with a Voith hydraulic transmission.

[1] Four locomotives were retrofitted with a magnetic track brake system.

[2] A total of 77 locomotives have been built by Jenbacher Werke.