The Dyna family used the 88-cubic-inch (1,440 cc) twin cam from 1999 to 2006. In 2007, the displacement was increased to 96 cubic inches (1,570 cc) as the factory increased the stroke to . For the 2012 model year, the manufacturer began to offer Dyna models with the 103-cubic-inch (1,690 cc) upgrade. All Dyna models use a rubber-mounted engine to isolate engine vibration. Harley discontinued the Dyna platform in 2017 for the 2018 model year, having been replaced by a completely-redesigned Softail chassis; some of the existing models previously released by the company under the Dyna nameplate have since been carried over to the new Softail line.