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These tractors featured three-point hitches, power steering and diesel engine options. Low-compression fuel options for kerosene and distillate were dropped. [1] [2] Most of the D-series tractors, except for the D21, had hand-operated, shift-on-the-go oil clutches, commonly referred to as a hand clutch. Allis-Chalmers marketed this arrangement ...
An Allis-Chalmers tractor. This is a list of farm and industrial tractors produced by Allis-Chalmers Corporation, as well as tractors that were produced by other manufacturers and then sold under the Allis-Chalmers brand name. For clarity, tractors are listed by series and separated by major models as needed.
It was a standard tread tractor with fixed wheel widths, as opposed to the adjustable wheels of a row-crop tractor. The D was initially equipped with a two-cylinder side-by-side 30-horsepower (22 kW) engine, of 465-cubic-inch (7,620 cc) displacement, updated in 1927 to a 501-cubic-inch (8,210 cc) engine. Early models had a two-speed transmission.
John Deere's 50 Series tractors also offered a new power shift transmission, with 15 operating speeds. When tested in Nebraska, the 4850 was the most fuel efficient tractor ever tested over 60 hp (45 kW).; The following year, 1983 brought in the final two 50 Series tractors namely the 50 hp (37 kW) 1450 and 60 hp (45 kW) 1650.
This series stayed in production until the unveiling of the D-series in 1957. In 1955, the company acquired 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 All-Crop Harvester line. But acquiring Gleaner meant that it would ...
The Lanz Bulldog was a series of tractors manufactured by Heinrich Lanz AG in Mannheim, Baden-Württemberg, Germany. Production started in 1921 with the Lanz HL , and various versions of the Bulldog were produced up to 1960, one of them being the Lanz Bulldog D 9506 .
1987: D8N (285 hp [213 kW]) with differential steer transmission, the first track-type Caterpillar tractor to have one (the new D8N was smaller than the old D8L size, which was replaced by the new D9N model). 1996: 305 hp (227 kW) D8R replaced D8N. 2000: D8R Series 2 replaced the D8R. 2004: 310 hp (230 kW) D8T ACERT replaced D8R Series 2. [1]
This is a list of companies that formerly manufactured and / or sold tractors. Some tractor and / or agricultural machinery companies have discontinued manufacturing, or were bought out or merged with other companies, or their company names may have changed.