Product Size: 250 mm (10in) Capacity: 1200 ton/hr. Crushers : Types of Jaw Crusher Single Toggle –An eccentric shaft positioned at the top of the crusher. Double toggle –Two shafts –first pivoted at the top of the crusher where as other is an eccentric shaft which drives the both the toggles. Eccentric positioned behind the swinging jaw. It has two effects. 1. It keeps the .