S74 may refer to:
*
S74 (Long Island bus)
Suffolk County Transit operates a number of bus routes in Suffolk County, New York, United States; a few in the town of Huntington are operated by Huntington Area Rapid Transit. The Villages of Patchogue and Port Jefferson, also have had their ow ...
*
S74 (New York City bus)
The Metropolitan Transportation Authority (MTA) operates a number of bus routes in Staten Island, New York, United States. Some of them are the direct descendants of streetcar lines (see list of streetcar lines in Staten Island). Many routes run ...
serving Staten Island
*
Birrana S74
Birrana was the name of two motor racing organisations, both associated with South Australian racing driver and engineer Malcolm Ramsay. From 1971 to 1978 Birrana constructed a series of successful open-wheel racing cars as well as a Holden V8 ...
, an Australian speedcar
*
Expressway S74 (Poland)
Expressway S74 or express road S74 is major planned road in Poland connecting Expressway S12 (Poland), express road S12 near Sulejów and Expressway S19 (Poland), S19 near Nisko. From Opatów it is going to follow the current National roads in Po ...
*
Fiat S74
The Fiat S74 was a racing automobile first raced 1903.
In the early 20th century Fiat was heavily involved in racing to promote the reliability and mechanical fortitude of their brand. It was not uncommon for the early four-cylinder engines to d ...
, a racing car
* , a submarine of the Canadian Forces
*
Savoia-Marchetti S.74
The Savoia-Marchetti S.74 was a four-engine airliner developed by Savoia-Marchetti for ''Ala Littoria''.
Design and development
The prototype first flew on 16 November 1934. Only three were ever built.
Operational history
The aircraft were used ...
, an Italian airliner
*
Sikorsky S-74
The Sikorsky S-76 is a medium-size commercial utility helicopter designed and produced by the American helicopter manufacturer Sikorsky Aircraft. It is the company's first helicopter specifically developed for the civilian market.
The S-76 w ...
, an American helicopter design
*
* S74, a
postcode district for Barnsley, England
{{Letter-NumberCombDisambig