Brabham used engines from Australian engineering firm Repco, which had never produced a Formula One engine before, based on aluminium V8 engine blocks from the defunct American Oldsmobile F85 road car project, and other off-the-shelf parts.
Brabham utilizou motores da firma de enxeñería australiana Repco, que nunca antes producira un motor de Fórmula Un, baseados no bloque motor de aluminio V8 do extinto coche de estrada Oldsmobile F85 americano, e outras partes da plataforma.