For over 100 years Stanadyne has been creating innovative solutions to the world’s most challenging problems.

Christopher Spencer invents the automatic screw machine; thus, Hartford Machine Screw Company is born.
Read more 1873To begin building a reputation as a design and engineering focused company, Hartford Machine Screw Company merges with its affiliates to form Standard Screw.
Read more 1934Vernon D. Roosa joins Standard Screw to perfect his design for an on-engine diesel pump.
Read more 1947Standard Screw introduces the Roosa Master Injection Pump, the world's first Diesel Rotary Pump.
Read more 1952Standard Screw builds on its diesel fuel pump line with the introduction of the DB Model Rotary Pump.
Read more 1958Standard Screw develops the Pencil Nozzle Injector, an innovative, compact design that delivers fuel into the center of the cylinder.
1963Standard Screw becomes Stanadyne, keeping part of its legacy name and drawing off of 'dynamic' to progress the image of the company.
1970Stanadyne introduces the Startmaster, an air starter for large truck applications.
1973Stanadyne acquires its Brescia, Italy plant to manufacture diesel fuel injectors.
1988Stanadyne develops the DS Model Rotary Pump, the first electronically governed pump of its kind.
1993Stanadyne introduces the DE Model Rotary Pump. Stanadyne and the Amalgamations Group agree to a joint venture and open a facility in Chennai, India.
2002Stanadyne develops the world's first 200 bar gasoline direct injection pump for the automotive market.
2006Changshu, China facility opens its doors to engineer and manufacture pumps for Chinese OEMs.
2007Stanadyne develops a line of Diesel Common Rail Pumps that offered improved fuel efficiency over other market offerings at the time.
2011Stanadyne enters the high-end racing industry with the highest-capacity gasoline direct injection pump, helping to secure victory in a pivotal race.
2013The 200 Bar gasoline direct injection pump reaches the manufacturing milestone of 1 million units produced. Stanadyne develops the world's smallest gasoline direct injection pump.
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