Allison Transmission (NYSE:ALSN) reported quarterly earnings of $2.27 per share which beat the analyst consensus estimate of $2.01 by 12.94 percent. This is a 28.98 percent increase over earnings of $1.76 per share from the same period last year. The company reported quarterly sales of $824.00 million which beat the analyst consensus estimate of $787.77 million by 4.60 percent. This is a 11.96 percent increase over sales of $736.00 million the same period last year.