OJAI, Calif. (AP) _ Harry Lauter, a veteran cowboy actor in television Westerns who was co-star of ''Tales of the Texas Rangers,'' has died. He was 76.

Lauter died of heart failure at his Ojai home Oct. 30, the Los Angeles Times reported Saturday.

A regular black hat in cowboy Westerns, Lauter appeared in such series as ''Wagon Train,'' ''Rawhide,'' ''Gunsmoke,'' ''Bonanza'' and ''Wyatt Earp.''

Lauter also had two series of his own: ''Waterfront'' in 1954, and ''Tales of the Texas Rangers,'' in which he played opposite Willard Parker, from 1955 to 1959.

The White Plains, N.Y., native lived in Colorado and Montana before starting his acting career. Lauter is survived by his wife, Doris, and a daughter, Brooke, from a previous marriage.