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HOPTO-300.jpg

Hopto was the brand name used by Warner & Swasey of the USA on a range of excavators built in the 1950s and 60s.[1] The JCB 7 360 degree excavator was based on a Hopto design

Section heading

The Hopto name originated with the Badger Construction Equipment Company, a subsidiary of the Warner & Swasey company. The first Hopto machine was a tractor mounted hydraulic backhoe - Hydraulically Operated Power Take-Off.

The Gradall brand was also owned by Warner & Swasey who bought the rights to the design in 1946 from the Gadall's designer Ray Ferwerda of Cleveland Ohio.[1]

When introduced in 1972 the Hopto 1900 was the largest American hydraulic excavator. The machine weight 100 ton with 2 GM 8V-71 Engines of 300 hp.[1]

Model range

Hopto_300_excavator

Hopto 300 excavator

  • HOPTO backhoe
  • Hopto 300 - available truck mounted- (see video of a static example)
  • Hopto 500 - 17 ton excavator with 112 hp engine
  • Hopto 1900 - 8 cu yd - 100 ton excavator with twin 308 hp engines.

See also

References / sources

  1. 1.0 1.1 1.2 Giant Earthmovers, by Keith Haddock, published by MBI, ISBN 0-7603-0369-X Cite error: Invalid <ref> tag; name "giantearthmovers" defined multiple times with different content Cite error: Invalid <ref> tag; name "giantearthmovers" defined multiple times with different content

External links

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