By late 1954, the entire line of Oliver tractors became the Super series. The Super 99 retained the six-cylinder gasoline and diesel engines, but the Super 99 GM was unique with a two-cycle ...

is a 126-year-old manufacturer of Class 7 and 8 work vehicles, including garbage trucks, cement mixers, terminal tractors, and more. GM says that while its Ultium branded EV battery packs are well ...