 On these trains, the locomotives were worked almost continuously on the 1000-mile round trip, with two crews, one working, one resting in the caboose.The 15th class were also used on the Bulawayo to Salisbury (now Harare), Bulawayo to Victoria Falls, and Gwelo to Malvernia, Mozambique trains.A few were also used in Northern Rhodesia (now Zambia).