 INDIANAPOLIS--BUSINESS WIRE--Allison Transmission, a leading designer and manufacturer of conventional and electrified propulsion solutions and the largest global manufacturer of medium- and heavy-duty fully automatic transmissions for commercial and defense vehicles, today announced the launch of the Allison FracTran, a revolutionary hydraulic fracturing transmission. Purpose built based on the specific performance requirements of the customer, the FracTran is an all-new Oil Field SeriesTM t 