IH Drott at SE Davis - IMG 9146

IH Drotts in the S.E. Davis & Son Collection of Vintage plant

Drott Manufacturing Company was a manufacturer of industrial equipment. The Drott name is usually associated with the 4in1 Bucket and International Harvester tracked loaders which are often referred to just as Drotts in the UK due to the prominent Logo on them.

Company historyEdit

Edward Drott founded Drott Tractor Company in his home town of Butternut, Wisconsin, in 1916. It was moved to Wausau, Wisconsin, in 1923. In 1924, it was reorganised as Hi-Way Service Corporation and relocated again, this time to Milwaukee, Wisconsin. Hi-Way Service designed a snow plow as a joint venture with the Wausau Iron Works Co.. Hi-Way Service became Drott Manufacturing Company, and returned to Wausau in ?.

In 1962, Drott purchased the American rights to the Yumbo hydraulic backhoe produced by Sicam of France. In 1968, Tenneco Corporation purchased Drott and made it a division of Case Corporation, which it also owned.

Shuttlelift Inc. acquired the Carrydeck line of industrial hydraulic cranes from Drott Manufacturing Company. Shuttlelift was later acquired by Marine Travelift, who sold the Carrydeck line to the Manitowoc Company, Inc. on January 5, 2007.


IH Drott badge - IMG 7292

International Drott badge


Drott was the sole supplier of loader attachments for International Harvester crawler tractors in the 1950s, until International introduced their own line of integral loaders. It developed the first multi-purpose bucket; dubbed the 4-in-1 bucket, it gets its name from its four functions: dozer, clamshell, bucket and scraper. The 4-in-1-line became the basis for International Harvester’s crawler loader line. In the UK they were colocally known as "Drotts" (and the term was often used for other makes of tracked loader like JCB was used for all makes wheeled backhoe loaders) Model nomenclature: Drott model numbers had a prefix that matched the model number for the tractor; i.e., the TD6 used a 6K3 loader. An “A” suffix indicated a later improved version.

4in1 bucket makers plate RO & Drott - IMG 4898

Makers plate on a UK built 4in1 bucket built by Rubery Owen under license

The Drott 4-in-1 bucket was built in the UK under license by Rubery Owen who supplied International Harvester and other OEM's for fitting to crawler loaders, wheeled excavators and tractor loaders.


The "Carrydeck" line

See alsoEdit

References / sourcesEdit

External Links Edit

Template:Drott range

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