3830 (pronounced Thirty-eight thirty) is a 4-6-2 steam locomotive operated by the New South Wales Government Railways between 1949 and 1967. It has been preserved by the Powerhouse Museum and is based at the NSW Rail Museum, Thirlmere.

3801 (pronounced Thirty-eight o-one) is a C38 class 4-6-2 steam locomotive operated by the New South Wales Government Railways between 1943 and 1974. It is arguably Australia's most famous steam locomotive, being the only one to have visited all mainland states and territories.

Scenes recorded on Sunday August 18th, 2002, of steam locomotives 3801 & 3830 double heading on a tour to Moss Vale, including a cab ride on 3830 from Unande...

Scenes recorded on Sunday February 27th, 2000, of steam locomotives 3801 & 3830 double heading on a tour to Robertson in NSW, Australia, including the view from a hi-rail inspection vehicle...

The view from the cab of 3830 as it runs parallel with 3801 from Sydney to Rhodes then climbs to Hornsby on Sunday July 18th, 2004.

3830 and 3801 make a dramatic departure from Thirlmere on 5 March 2006. with the return to Sydney Central of the Thirlmere Flyer after a successful NSWRTM Festival of Steam. The headboard reads "3830 owned and maintained by the Powerhouse Museum".

The omega to 3801’s alpha, 3830 was the last of the thirty 38 class locomotives built, manufactured by the NSWGR at their Eveleigh Workshops and entering service in 1949 – the final steam locomotive built in New South Wales.

In early trials on the Southern line, 3801, the class leader, was allocated two firemen. The fault was located when it was found that the shape of the blast pipe prevented steam from the cylinders from passing optimally into the petticoat pipe below the chimney, through which it was ejected to the atmosphere.

Streamlined locomotives 3801 - 3805 were joined in the post-war years by 25 semi-streamlined sisters 3806 - 3830, with even-numbered locos being built by the NSWGR Eveleigh Workshops, and odd numbered locomotives by the NSWGR Cardiff (Newcastle) Workshops.

Oct 23, 2022 · Scenes recorded on Saturday October 25th, 1997, of the official public launch of 3830 held at Maitland and the train it double headed with 3801 back to Sydney.