Drott Manufacturing Company

[2] Drott developed buckets for other manufacturer's construction bulldozers, including one of the first of its type for Caterpillar in 1930.

[3] The bucket held roughly 1 cubic yard of soil.

[3] The company's best-known product was the Drott 4 in 1 bucket.

[2] This was a tractor attachment with four functions: dozer, clamshell, bucket and scraper.

[4] In 1950, International signed an agreement with Drott to produce the machines under the name "International-Drott.