Cummins engines are popular because of their reputation for reliability and undemanding maintenance and the availability of upgrades. Due to the robust design and plentitude of aftermarket parts, it's ...

Allison Transmission has partnered with Cummins to test and validate the new Cummins X15N 15-liter natural gas engine paired with the Allison 4000 Series fully-automatic transmission. Sandman, a bulk ...

Anyone looking for comparisons between Aisin and Allison transmissions is interested in how the two models hold up when towing heavy loads behind today's diesel-powered heavy-duty pickup trucks, ...