could seat up to 189 passengers over 5200 nmi with a larger wing for a MTOW up to 350000 lb. The DC-8-63 had the long fuselage and the enlarged wing, freighters MTOW reached 355000 lb.

The DC-8 was produced until 1972 with 556 aircraft built; it was superseded by larger wide-body airliners including Douglas' DC-10 trijet.Noise concerns stimulated demand for a quieter variant; from 1975, Douglas and General Electric