1950s[ https://en.wikipedia.org/w/index.php?title=Allis-Chalmers&action=edit&section=9" rel="nofollow - edit ]

https://en.wikipedia.org/wiki/File:Allis_Chalmers_HD_-_15A_produced_since_1945.jpg" rel="nofollow">

https://en.wikipedia.org/wiki/File:Allis_Chalmers_HD_-_15A_produced_since_1945.jpg" rel="nofollow -

An Allis-Chalmers HD-15A bulldozer

https://en.wikipedia.org/wiki/File:Allis-Chalmers_Model_D15.jpg" rel="nofollow">

https://en.wikipedia.org/wiki/File:Allis-Chalmers_Model_D15.jpg" rel="nofollow -

An Allis-Chalmers Model D15 tractor

The 1950s were a time of great demand for more  https://en.wikipedia.org/wiki/Power_%28physics%29" rel="nofollow - power  in farm tractors, as well as greater capability from their  https://en.wikipedia.org/wiki/Hydraulic_machinery" rel="nofollow - hydraulic  and electrical systems. It was also a decade of extensive  https://en.wikipedia.org/wiki/Dieselisation" rel="nofollow - dieselization , from railroad locomotives to farm tractors and construction equipment. In 1953, Allis-Chalmers acquired the  https://en.wikipedia.org/wiki/Buda_Engine_Co." rel="nofollow - Buda Engine Company  of  https://en.wikipedia.org/wiki/Harvey,_Illinois" rel="nofollow - Harvey, Illinois . Allis wanted Buda for its line of  https://en.wikipedia.org/wiki/Diesel_engine" rel="nofollow - diesel engines , ^{https://en.wikipedia.org/wiki/Allis-Chalmers#cite_note-Buescher1991p248-27" rel="nofollow - [27] https://en.wikipedia.org/wiki/Allis-Chalmers#cite_note-Haycraft2000pp123-125-28" rel="nofollow - [28]}  because its previous supplier,  https://en.wikipedia.org/wiki/Detroit_Diesel" rel="nofollow - Detroit Diesel , was a division of  https://en.wikipedia.org/wiki/General_Motors" rel="nofollow - General Motors , whose recent acquisition of the  https://en.wikipedia.org/wiki/Euclid_Trucks" rel="nofollow - Euclid  heavy equipment company now made it a competitor of Allis-Chalmers for construction equipment business. ^{https://en.wikipedia.org/wiki/Allis-Chalmers#cite_note-Haycraft2000pp123-125-28" rel="nofollow - [28]}  The Buda-Lanova models were re-christened the "Allis-Chalmers Diesel" engine line. Diesel engineers were busy during the following years updating ^{https://en.wikipedia.org/wiki/Allis-Chalmers#cite_note-Buescher1991p248-27" rel="nofollow - [27]}  and expanding the line.

In 1952, the company acquired Laplant-Choate, ^{https://en.wikipedia.org/wiki/Allis-Chalmers#cite_note-29" rel="nofollow - [29]}  which added various models of  https://en.wikipedia.org/wiki/Wheel_tractor-scraper" rel="nofollow - scrapers  to its construction equipment line.

In 1953, the WD-45 was introduced, replacing the WD. The motor was increased to 226 cubic inches, giving it 30 horsepower on the drawbar at the Nebraska Tests. ^{https://en.wikipedia.org/wiki/Allis-Chalmers#cite_note-30" rel="nofollow - [30]}  This was almost double the horsepower of the WD. ^{https://en.wikipedia.org/wiki/Allis-Chalmers#cite_note-31" rel="nofollow - [31]}  A new Allis chalmers designed Snap- Coupler hitch was used. ^{https://en.wikipedia.org/wiki/Allis-Chalmers#cite_note-Wendel_2004-25" rel="nofollow - [25]}  It allowed the operator to hook up to an implement from the seat of the tractor. A Buda diesel-powered WD-45 was introduced in 1955. This series stayed in production until the unveiling of the D-series in 1957.

In 1955, the company acquired  https://en.wikipedia.org/wiki/Gleaner_Manufacturing_Company" rel="nofollow - Gleaner Manufacturing Company , which was an important move for its combine harvester business. Allis was the market leader in pull-type (tractor-drawn) combines, with its  https://en.wikipedia.org/wiki/All-Crop_Harvester" rel="nofollow - All-Crop Harvester  line. But acquiring Gleaner meant that it would now also be a leader in self-propelled machines, and it would own two of the leading brands in combines. The Gleaner line augmented (and later superseded) the All-Crop Harvester line, and for several years Gleaner's profits made up nearly all of Allis-Chalmers' profit. ^{https://en.wikipedia.org/wiki/Allis-Chalmers#cite_note-Buescher1991p270-32" rel="nofollow - [32]}  Gleaners continued to be manufactured at the same factory, in  https://en.wikipedia.org/wiki/Independence,_Missouri" rel="nofollow - Independence, Missouri , after the acquisition.

In 1957, the  https://en.wikipedia.org/wiki/Allis-Chalmers_D_Series" rel="nofollow - Allis-Chalmers D Series  of tractors was introduced. It enjoyed great success over the next decade.

In 1959, Allis-Chalmers acquired the French company Vendeuvre. Also in 1959, it acquired Tractomotive Corporation of  https://en.wikipedia.org/wiki/Deerfield,_Illinois" rel="nofollow - Deerfield, Illinois , which it had been partnering with as an auxiliary equipment supplier for at least a decade. ^{https://en.wikipedia.org/wiki/Allis-Chalmers#cite_note-Haycraft2000pp123-125-28" rel="nofollow - [28]}