Holset Engineering Co. Ltd. was incorporated on 29 March as a subsidiary of BHD Engineering. The company had been manufacturing couplings and dampers since 1948 and developed a reputation for product dependability, performance and longevity.

25 employees, £45,000 sales turnover, Paul Croset MD.


New offices and Bay 1 replaced the wooden shed. Holset's commitment to leading technology, quality products and customer value ensured that customers in the 1950s, including Rolls-Royce, Volvo, Scania and Jaguar, were maintained for many years.

42 employees, £98,000 sales turnover, Paul Croset MD


Licence granted by inventor of the turbocharger, Dr. Alfred Buchi, for the manufacture and sale of exhaust gas driven turbochargers; Holset's technical and manufacturing research into turbocharging had begun.

110 employees, £146,000 sales turnover, Paul Croset MD.


Manufacturing expanded and Bay 3 was built after the signing of a licence with Schwitzer in 1952. Holset was uniquely placed to handle all combustion engine torsional vibration developments.

155 employees, £585,000 sales turnover, Paul Croset MD.


80% of Holset's turbocharger production in Huddersfield was now being exported. Test cells checked all turbochargers met design ratings prior to dispatch worldwide.

240 employees, £850,000 sales turnover, Paul Croset MD.


The 25,000th turbocharger was produced. Bay 9 was constructed to meet increasing demand for turbochargers, dampers and fan drives.

412 employees, £1.85 million sales turnover, Paul Croset MD.


Employees respond magnificently to the fire that destroyed production and administration facilities. Emergency manufacturing units were set up with customers and suppliers to ensure that delivery dates were still met.

890 employees, £3.08 million sales turnover, Paul Croset MD.


Office block 2 was constructed to provide a state-of-the-art working environment for employees. Holset exhibited a range of crankshaft vibration dampers, viscous fan drives and turbochargers at the Commercial Motor Show at Earl's Court, London.

1,100 employees, £4.9 million sales turnover, Paul Croset MD.


Paul Croset was appointed Chairman of the BHD Board and Ron Hesselden took over as MD of Holset. A new record output of 1,422 turbochargers per week was achieved and a new warehouse opened.

1,155 employees, £5.05 million sales turnover, Ron Hesselden MD.


Cummins Engine Company purchased Holset, recognising its status as market leader in turbocharging. Manufacturing capabilities were expanded into Indiana, the start of Holset's worldwide expansion.

1,535 employees, £8.11 million sales turnover, Ron Hesselden MD


Holset turbochargers were approved on new engines at Volvo, Scania, Chrysler-Espana, MAN, Perkins, Allis-Chalmer, Cummins, Fiat and David Brown tractors. John Stanton was appointed MD during the 25th anniversary year for Holset.

1,752 employees, £22.85 million sales turnover, John Stanton MD.


The 1 millionth Holset turbocharger came off the assembly line. The 14 litre E290 Cummins engine was released, the first Cummins engine to include a Huddersfield designed Holset turbocharger.

1,677 employees, £26.2 million sales turnover, John Stanton MD.


Tim Solso joined Holset as the new MD. He was later to become the new Chairman and CEO of Cummins Inc. The market for turbocharger spares reached record level.

1,515 employees, £32.96 million sales turnover, Tim Solso MD.


Holset Aftermarket was established to sell turbochargers and spare parts via a worldwide network of independent distributors. Holset Turbochargers reign in motorsport began with victory in the Indy Race Car Championship and debut in F1.
1,240 employees, £29.27 million sales turnover, Tim Solso MD.



Joe Loughrey appointed as MD. He was later to become President and Vice Chairman, Cummins Inc. Rick Mears won the Indy 500 in a Holset Penske car at an average speed of 163.612 kph.

1,214 employees, £39.67 million sales turnover, Joe Loughrey MD.


Overseas expansion continued into Brazil under Rick Stoner MD, who joined the previous year. The Cummins-Holset Penske car won the Indy 500 for the fourth successive year with Al Unser.
1,322 employees, £48.45 million sales turnover, Rick Stoner MD.


Increased demand for turbochargers from Cummins and other North American customers led to the opening of the Charleston plant. Production started in March 1990, with an initial capacity of 1,000 turbochargers per day.  

1,769 employees, £62.2 million sales turnover, Rick Stoner MD.


The first truck engine with Holset turbocompounding went into series production with Scania. Holset were also first to market with heavy-duty wastegate turbocharging for the Iveco Euro Tech truck enabling downsizing to improve fuel economy.
Rick Stoner MD.


Development in the 1980s of two-stage turbocharging led to the launch of the Cummins KT50 engine for mining equipment, locomotives and power generation.

Rick Stoner MD.


A joint venture agreement was signed with Tata Motors opening manufacturing and sales operations in India.

Jim Sweetham MD.


The formation of a joint venture established Holset Engineering Co. in China as Wuxi Holset Engineering Co. to serve Chinese engine manufacturers. Dramatic growth followed. A strategic alliance was formed with Mitshibushi Heavy Industries for turbochargers of smaller frame sizes.

Jim Sweetham MD.


Tom Linebarger was appointed MD. He was later to become President and COO of Cummins Inc. Holset became a company focused on turbocharging technology following the sale of the vibration damper business the previous year.

US$197 million sales turnover, Tom Linebarger MD.


David Moorhouse replaced Tom Linebarger as MD. The Worldwide Technical Centre was opened in Huddersfield and the world's first sliding wall Variable Geometry Turbocharger was launched.

868 employees. US$209 million sales turnover. David Moorhouse MD


Tim Solso, Cummins CEO and Chairman, officially opened the VGT line in Huddersfield. The Aftermarket headquarters moved to Croset Avenue including remanufacturing facilities and turbocharger manufacturing was consolidated in Charleston.

955 employees. US$226 million sales turnover. David Moorhouse MD.


David Moorhouse was appointed Vice President of Cummins Inc. The Holset Turbochargers brand was officially launched.

1,062 employees. US$251 million sales turnover. David Moorhouse MD.


Holset celebrated its 50th anniversary. The Duke of Kent toured the site with David Moorhouse and founding members of Holset. Site open days were held worldwide. Prestigious Queen's Awards for International Trade and Innovation were received.

1,269 employees. US$258 million sales turnover. David Moorhouse MD.


A new world class US$8 million technical and production facility in Wuxi opened including test cells to run performance mapping and mechanical testing. Paul Ibbotson was appointed MD.

1,403 employees. US$298 million sales turnover. Paul Ibbotson MD.


Tata Holset inaugurated their new manufacturing facility in Dewas, India, built to world class standards to achieve zero defects. The Pune branch office was also inaugurated. The 100th Six Sigma project was completed, which aimed to improve heavy-duty Right First Time delivery.

2,013 employees. US$516 million sales turnover. Paul Ibbotson MD.


The company name changed to Cummins Turbo Technologies to align more closely with parent company Cummins Inc. A new facility opened in Charleston Palmetto focusing on heavy-duty VGT turbocharger manufacturing, serving North America and other global markets. Wuxi Vane Wheel, joint venture formed in Chinato, began the manufacture of turbine wheels for global markets.

2,080 employees. US$609 million sales turnover. Paul Ibbotson MD.


Jim Lyons appointed President of Cummins Turbo Technologies. The 'One Page Plan' was published to lead success in all areas of the business. Cummins Turbo Technologies acquired 100% ownership of Tata Holset.

2,961 employees. US$859 million sales turnover. Jim Lyons President.


A new facility opened in Pithampur, India to supply heavy-duty turbochargers to major Indian and overseas OEMs. The 'Emerging Stronger Model' was published to successfully lead business through the worldwide economic downturn.

2,849 employees. US$979 million sales turnover. Jim Lyons President.


Official launch of a new range of turbochargers for 2 to 5 litre diesel engines took place at IAA Hannover and the Beijing Engine Show. Cummins ISX heavy-duty engines launched to meet 2010 emissions standards featuring variable geometry turbocharging. A new assembly facility opened in Rudrapur, India. US operations were consolidated at the expanded Palmetto facility.

2,974 employees. US$948 million sales turnover. Jim Lyons President.


Cummins Turbo Technologies celebrates 60th Anniversary Year.

3,220 employees. Tracy Embree President.


Introduction of the Series 900 to the already robust and flexible large product range, Series 800 and Series 1000, creating the most efficient and diverse turbochargers we have ever produced for the 16 litre and above engine range.

Wuxi Cummins Turbo Technologies opens its second plant to meet the demands of the rapid growing commercial diesel market in China.

3,140 employees. Tracy Embree President.


Official launch of the new Two-Stage turbocharger that powers the All New 2016 Nissan TITAN XD at the Mid-America Trucking Show (MATS). The next generation Two-Stage System with Rotary Turbine Control (RTC) is Cummins’ most sophisticated turbocharger to date, delivering high efficiency, excellent driveability and low emissions levels.

3,472 employees. Mahesh Narang, Executive Director and General Manager