hydrogen fueled fuel cell golf carts. Military machinery M1 tractor medium model HD7W M1 tractor heavy model HD10W M4 Tractor high speed 18-ton artillery tractor manufactured from 1943 M6 Tractor high speed 38-ton (artillery tractor) M7 Snow Tractor M19 snow trailer, 1-ton M50 Ontos – a light anti-tank vehicle, 297 units produced from 1955 to 1957 Steam turbines, Allis Chalmers built the steam turbines which powered the USS Coontz DLG-9 (Later DDG-40) and some other ships of the same class used by the United States Navy. Allis-Chalmers Energy Allis-Chalmers Energy was a Houston-based multi-faceted oilfield services company. The company provided services and equipment to oil and natural gas exploration and production companies, both domestically and internationally. It became Archer in 2011 after it merged with Seawell, another oil services/energy company. See also List of Allis-Chalmers tractors List of Allis-Chalmers engines AGCO (holder of former Deutz-Allis assets) CNH Global (holder of former Fiat-Allis assets) Siemens AG (holder of former Siemens-Allis assets) Timeline of hydrogen technologies Gleaner (harvester) Serial number locations Allis-Chalmers J36 References Cited sources Further reading External links Allis-Chalmers Lawn & Garden Tractors Allis-Chalmers tractor models Lawn and garden tractors History of Wisconsin Tractor manufacturers of the United States Manufacturing companies based in Milwaukee American companies established in 1901 Manufacturing companies established in 1901 1901 establishments in Wisconsin