Allison Transmission (NYSE:ALSN) reported quarterly earnings of $2.29 per share which beat the analyst consensus estimate of $2.19 by 4.42 percent. This is a 7.51 percent increase over earnings of $2.13 per share from the same period last year. The company reported quarterly sales of $814.000 million which beat the analyst consensus estimate of $802.466 million by 1.44 percent. This is a 0.25 percent decrease over sales of $816.000 million the same period last year.