1981 International 5070 1.5 Ton; OE No. 1691711C1; Superheat: 8;. 1982 International 5070 1.5 Ton; OE No. 1691711C1; Superheat: 8;. 1983 International 5070 1.5 Ton; OE No. 1691711C1; Superheat: 8;. 1984 International 5070 1.5 Ton; OE No. 1691711C1; Superheat: 8;.