Allison Transmission Holdings Inc. (ALSN), the largest global manufacturer of medium- and heavy-duty fully automatic transmissions, today announced a partnership with Bell Equipment, a world leader in the off-highway vehicle and equipment business headquartered in South Africa. In addition to utilizing the Allison 4800 ORS in an industry leading 60- ton articulated dump truck (ADT), Allison introduced the 3400ORS transmission for the Bell B30E (ADT).