— Crushers . Extec c12+ pulley. Thread starter overworked; Start ... . Extec c12+ pulley. Thread starter overworked; Start date Jun 11, 2020; O. overworked Senior Member. Joined Jan 17, 2011 Messages 762 Location northeast Pa. Jun 11, 2020 #1 Does anyone have the specs for pulley fitment, tonnage to press on, I have two that are loose …