The Hamm 3412 weighs 26,901 lb with a drum diameter of 84.25 in. Its ergonomic driver seat provides all-round visibility, and operations are enhanced by its excellent hill climbing ability via self-locking differential, 3-point swivel joint for optimum driving comfort, hydrostatic steering and optimum ease of maintenance. In 2014 the Hamm 3000 Series has been replaced by the Tier 4 Interim-compliant H Series, and the 3412 by the 28,863-lb, 84.25 in. H 13i.