The Great Northern Railway (Ireland) JT class comprised six 2-4-2T locomotives, all built between 1895 and 1902 at their Dundalk Works.

They were used on Dublin suburban services; then on branch lines, including operation of the Dundalk, Newry and Greenore Railway when taken over in 1933.

The JT class comprised six 2-4-2T locomotives, all built between 1895 and 1902 at their Dundalk Works.

They were used on Dublin suburban services; then on branch lines, including operation of the Dundalk, Newry and Greenore Railway when taken over in 1933.

93 is preserved at the Ulster Folk and Transport Museum at Cultra, County Down.