According to Allison Transmission 's latest financial reports the company's current revenue (TTM ) is £2.51 Billion. In 2022 the company made a revenue of £2.28 Billion an increase over the revenue in the year 2021 that were of £1.77 Billion. The revenue is the total amount of income that a company generates by the sale of goods or services. Unlike with the earnings no expenses are subtracted.