General Electric produced the Elec-Trak electric lawn tractors from 1970 to 1974. Disappointing sales led GE to sell the Elec-Trak division to Wheel Horse in 1974, and Wheel Horse continued production of electric tractors until 1983.
General Electric - official site
Elec-Trak Owners Club - official site
My Elec-Traks - history and details of the Elec-Traks